For a given set of browsers, what APIs are not yet in all of them.
| Not in Chrome | Not in Firefox | Not in Safari | Not in Edge | Not in Chrome Android | Not in Safari on iOS | |
|---|---|---|---|---|---|---|
| In Chrome | 3179 | 3188 | 60 | 343 | 3235 | |
| In Firefox | 488 | 1136 | 493 | 535 | 1179 | |
| In Safari | 338 | 977 | 342 | 358 | 100 | |
| In Edge | 1 | 3125 | 3133 | 336 | 3180 | |
| In Chrome Android | 61 | 2944 | 2926 | 113 | 2962 | |
| In Safari on iOS | 351 | 986 | 66 | 355 | 360 |
Below is a list of features that are not in all of Chrome, Firefox, Safari, Edge, Chrome Android, and Safari on iOS
| API | First Browser | Date | Days in Limbo | Notes |
|---|---|---|---|---|
| api.AbortPaymentEvent | Chrome | 10/16/2018 | 2882 | |
| api.AbortPaymentEvent.AbortPaymentEvent | Chrome | 10/16/2018 | 2882 | |
| api.AbortPaymentEvent.respondWith | Chrome | 10/16/2018 | 2882 | |
| api.AbsoluteOrientationSensor 📋 | Chrome | 5/29/2018 | 3022 | |
| api.AbsoluteOrientationSensor.AbsoluteOrientationSensor 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Accelerometer 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Accelerometer.Accelerometer 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Accelerometer.x 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Accelerometer.y 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Accelerometer.z 📋 | Chrome | 5/29/2018 | 3022 | |
| api.AmbientLightSensor 📋 | Chrome | 1/25/2017 | 3511 | |
| api.AmbientLightSensor.AmbientLightSensor 📋 | Chrome | 1/25/2017 | 3511 | |
| api.AmbientLightSensor.illuminance 📋 | Chrome | 1/25/2017 | 3511 | Chrome: In Chrome 79, this method stopped returning floats and returned integers to avoid fingerprinting.Chrome Android: In Chrome Android 79, this method stopped returning floats and returned integers to avoid fingerprinting.Edge: In Edge 79, this method stopped returning floats and returned integers to avoid fingerprinting.Quest Browser: In Quest Browser 8.0, this method stopped returning floats and returned integers to avoid fingerprinting.Opera: In Opera 66, this method stopped returning floats and returned integers to avoid fingerprinting. |
| api.Animation.overallProgress 📋 | Chrome | 2/4/2025 | 579 | |
| api.AnimationTimeline.duration 📋 | Chrome | 7/18/2023 | 1146 | |
| api.AudioContext.AudioContext.options_latencyHint_parameter 📋 | Chrome | 4/19/2017 | 3427 | |
| api.AudioContext.AudioContext.options_sinkId_parameter 📋 | Chrome | 2/7/2023 | 1307 | |
| api.AudioContext.createMediaStreamTrackSource 📋 | Firefox | 7/9/2019 | 2616 | Firefox: Firefox 68 implements the updated standard's definition of the "first" audio track; now the first track is the one whose ID comes first lexicographically.Firefox for Android: Firefox for Android 68 implements the updated standard's definition of the "first" audio track; now the first track is the one whose ID comes first lexicographically. |
| api.AudioContext.error_event 📋 | Chrome | 8/20/2024 | 747 | |
| api.AudioContext.outputLatency 📋 | Firefox | 10/22/2019 | 2511 | |
| api.AudioContext.setSinkId 📋 | Chrome | 2/7/2023 | 1307 | |
| api.AudioContext.sinkId 📋 | Chrome | 2/7/2023 | 1307 | |
| api.AudioContext.sinkchange_event 📋 | Chrome | 2/7/2023 | 1307 | |
| api.AudioData 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.AudioData 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.allocationSize 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.clone 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.close 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.copyTo 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.duration 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.format 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.numberOfChannels 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.numberOfFrames 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.sampleRate 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioData.timestamp 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioDecoder 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioDecoder.AudioDecoder 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioDecoder.close 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioDecoder.configure 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioDecoder.decode 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioDecoder.decodeQueueSize 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioDecoder.dequeue_event 📋 | Chrome | 9/27/2022 | 1440 | |
| api.AudioDecoder.flush 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioDecoder.isConfigSupported_static 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioDecoder.reset 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioDecoder.state 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioEncoder 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioEncoder.AudioEncoder 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioEncoder.close 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioEncoder.configure 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioEncoder.configure.bitrateMode 📋 | Chrome | 10/31/2023 | 1041 | |
| api.AudioEncoder.configure.opus 📋 | Chrome | 2/7/2023 | 1307 | |
| api.AudioEncoder.configure.opus.opus_application 📋 | Chrome | 6/11/2024 | 817 | |
| api.AudioEncoder.configure.opus.opus_signal 📋 | Chrome | 6/11/2024 | 817 | |
| api.AudioEncoder.dequeue_event 📋 | Chrome | 9/27/2022 | 1440 | |
| api.AudioEncoder.encode 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioEncoder.encodeQueueSize 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioEncoder.flush 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioEncoder.isConfigSupported_static 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioEncoder.reset 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioEncoder.state 📋 | Chrome | 9/21/2021 | 1811 | |
| api.AudioListener.forwardX 📋 | Chrome | 7/20/2016 | 3700 | Firefox: Supports a deprecated way of setting orientation - the setOrientation() method.Firefox for Android: Supports a deprecated way of setting orientation - the setOrientation() method. |
| api.AudioListener.forwardY 📋 | Chrome | 7/20/2016 | 3700 | Firefox: Supports a deprecated way of setting orientation - the setOrientation() method.Firefox for Android: Supports a deprecated way of setting orientation - the setOrientation() method. |
| api.AudioListener.forwardZ 📋 | Chrome | 7/20/2016 | 3700 | Firefox: Supports a deprecated way of setting orientation - the setOrientation() method.Firefox for Android: Supports a deprecated way of setting orientation - the setOrientation() method. |
| api.AudioListener.positionX 📋 | Chrome | 7/20/2016 | 3700 | Firefox: Supports a deprecated way of setting orientation - the setOrientation() method.Firefox for Android: Supports a deprecated way of setting orientation - the setOrientation() method. |
| api.AudioListener.positionY 📋 | Chrome | 7/20/2016 | 3700 | Firefox: Supports a deprecated way of setting orientation - the setOrientation() method.Firefox for Android: Supports a deprecated way of setting orientation - the setOrientation() method. |
| api.AudioListener.positionZ 📋 | Chrome | 7/20/2016 | 3700 | Firefox: Supports a deprecated way of setting orientation - the setOrientation() method.Firefox for Android: Supports a deprecated way of setting orientation - the setOrientation() method. |
| api.AudioListener.upX 📋 | Chrome | 7/20/2016 | 3700 | Firefox: Supports a deprecated way of setting orientation - the setOrientation() method.Firefox for Android: Supports a deprecated way of setting orientation - the setOrientation() method. |
| api.AudioListener.upY 📋 | Chrome | 7/20/2016 | 3700 | Firefox: Supports a deprecated way of setting orientation - the setOrientation() method.Firefox for Android: Supports a deprecated way of setting orientation - the setOrientation() method. |
| api.AudioListener.upZ 📋 | Chrome | 7/20/2016 | 3700 | Firefox: Supports a deprecated way of setting orientation - the setOrientation() method.Firefox for Android: Supports a deprecated way of setting orientation - the setOrientation() method. |
| api.AudioNode.disconnect.destination_parameter | Chrome | 5/19/2015 | 4128 | |
| api.AudioNode.disconnect.input_parameter | Chrome | 5/19/2015 | 4128 | |
| api.AudioParam.automationRate 📋 | Chrome | 7/24/2018 | 2966 | |
| api.AudioParam.cancelAndHoldAtTime 📋 | Chrome | 3/9/2017 | 3468 | |
| api.AudioProcessingEvent.AudioProcessingEvent 📋 | Chrome | 3/9/2017 | 3468 | |
| api.AudioSession 📋 | Safari | 3/27/2023 | 1259 | |
| api.AudioSession.type 📋 | Safari | 3/27/2023 | 1259 | |
| api.AudioSinkInfo 📋 | Chrome | 2/7/2023 | 1307 | |
| api.AudioSinkInfo.type 📋 | Chrome | 2/7/2023 | 1307 | |
| api.AudioTrack.sourceBuffer 📋 | Safari | 10/16/2014 | 4343 | Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone. |
| api.BackgroundFetchEvent 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchEvent.BackgroundFetchEvent 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchEvent.registration 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchManager 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchManager.fetch 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchManager.get 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchManager.getIds 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRecord 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRecord.request 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRecord.responseReady 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.abort 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.downloadTotal 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.downloaded 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.failureReason 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.id 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.match 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.matchAll 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.progress_event 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.recordsAvailable 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.result 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.uploadTotal 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchRegistration.uploaded 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchUpdateUIEvent 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchUpdateUIEvent.BackgroundFetchUpdateUIEvent 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BackgroundFetchUpdateUIEvent.updateUI 📋 | Chrome | 4/23/2019 | 2693 | |
| api.BarProp.visible.returns_popup | Firefox | 1/11/2022 | 1699 | |
| api.BarcodeDetector 📋 | Chrome Android | 5/19/2020 | 2301 | Chrome: Supported on ChromeOS and macOS only.Chrome: Before Chrome 113, on macOS Ventura (13) and above, this interface silently failed. See bug 40245611.Chrome: Supported on macOS only.Edge: Supported on macOS only.Edge: Before Chrome 113, on macOS Ventura (13) and above, this interface silently failed. See bug 40245611.Opera: Supported on macOS only.Opera: Before Chrome 113, on macOS Ventura (13) and above, this interface silently failed. See bug 40245611. |
| api.BarcodeDetector.BarcodeDetector 📋 | Chrome Android | 5/19/2020 | 2301 | Chrome: Supported on ChromeOS and macOS only.Chrome: Supported on macOS only.Edge: Supported on macOS only.Opera: Supported on macOS only. |
| api.BarcodeDetector.detect 📋 | Chrome Android | 5/19/2020 | 2301 | Chrome: Supported on ChromeOS and macOS only.Chrome: Supported on macOS only.Edge: Supported on macOS only.Opera: Supported on macOS only. |
| api.BarcodeDetector.getSupportedFormats_static 📋 | Chrome Android | 5/19/2020 | 2301 | Chrome: Supported on ChromeOS and macOS only.Chrome: Supported on macOS only.Edge: Supported on macOS only.Opera: Supported on macOS only. |
| api.BatteryManager 📋 | Chrome | 10/7/2014 | 4352 | |
| api.BatteryManager.charging 📋 | Chrome | 10/7/2014 | 4352 | |
| api.BatteryManager.chargingTime 📋 | Chrome | 10/7/2014 | 4352 | Chrome Android: Always equal to 0 or Infinity.Opera Android: Always equal to 0 or Infinity.Samsung Internet: Always equal to 0 or Infinity.WebView Android: Always equal to 0 or Infinity. |
| api.BatteryManager.chargingchange_event 📋 | Chrome | 10/7/2014 | 4352 | |
| api.BatteryManager.chargingtimechange_event 📋 | Chrome | 10/7/2014 | 4352 | |
| api.BatteryManager.dischargingTime 📋 | Chrome | 10/7/2014 | 4352 | Chrome Android: Always equal to Infinity.Opera Android: Always equal to Infinity.Samsung Internet: Always equal to Infinity.WebView Android: Always equal to Infinity. |
| api.BatteryManager.dischargingtimechange_event 📋 | Chrome | 10/7/2014 | 4352 | |
| api.BatteryManager.level 📋 | Chrome | 10/7/2014 | 4352 | |
| api.BatteryManager.levelchange_event 📋 | Chrome | 10/7/2014 | 4352 | |
| api.BatteryManager.secure_context_required | Chrome | 6/21/2022 | 1538 | |
| api.BeforeInstallPromptEvent | Chrome | 7/21/2015 | 4065 | |
| api.BeforeInstallPromptEvent.BeforeInstallPromptEvent | Chrome | 7/21/2015 | 4065 | |
| api.BeforeInstallPromptEvent.platforms | Chrome | 7/21/2015 | 4065 | |
| api.BeforeInstallPromptEvent.prompt | Chrome | 7/30/2019 | 2595 | Chrome: Resolved with an empty promise.Chrome Android: Resolved with an empty promise.Quest Browser: Resolved with an empty promise.Opera: Resolved with an empty promise.Opera Android: Resolved with an empty promise.WebView Android: Resolved with an empty promise. |
| api.BeforeInstallPromptEvent.userChoice | Chrome | 7/21/2015 | 4065 | |
| api.Blob.bytes 📋 | Firefox | 7/9/2024 | 789 | |
| api.BlobEvent.timecode 📋 | Chrome | 3/9/2017 | 3468 | |
| api.Bluetooth 📋 | Chrome Android | 2/1/2017 | 3504 | Chrome: Linux support is not enabled by default.Chrome: Only supported on macOS.Edge: Linux support is not enabled by default.Opera: Linux support is not enabled by default.Opera: Only supported on macOS. |
| api.Bluetooth.getAvailability 📋 | Chrome | 10/22/2019 | 2511 | |
| api.Bluetooth.getDevices 📋 | Chrome | 8/25/2020 | 2203 | |
| api.Bluetooth.requestDevice 📋 | Chrome | 1/25/2017 | 3511 | |
| api.Bluetooth.requestDevice.options_exclusionFilters_parameter 📋 | Chrome | 5/30/2023 | 1195 | |
| api.Bluetooth.requestDevice.options_filter_manufacturerData_parameter 📋 | Chrome | 7/20/2021 | 1874 | |
| api.BluetoothCharacteristicProperties 📋 | Chrome Android | 2/1/2017 | 3504 | Chrome: Linux support is not enabled by default.Chrome: Only supported on macOS.Edge: Linux support is not enabled by default.Opera: Linux support is not enabled by default.Opera: Only supported on macOS. |
| api.BluetoothCharacteristicProperties.authenticatedSignedWrites 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothCharacteristicProperties.broadcast 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothCharacteristicProperties.indicate 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothCharacteristicProperties.notify 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothCharacteristicProperties.read 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothCharacteristicProperties.reliableWrite 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothCharacteristicProperties.writableAuxiliaries 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothCharacteristicProperties.write 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothCharacteristicProperties.writeWithoutResponse 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothDevice 📋 | Chrome Android | 2/1/2017 | 3504 | Chrome: Linux support is not enabled by default.Chrome: Only supported on macOS.Edge: Linux support is not enabled by default.Opera: Linux support is not enabled by default.Opera: Only supported on macOS. |
| api.BluetoothDevice.gatt 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothDevice.gattserverdisconnected_event 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothDevice.id 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothDevice.name 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTCharacteristic 📋 | Chrome Android | 2/1/2017 | 3504 | Chrome: Linux support is not enabled by default.Chrome: Only supported on macOS.Edge: Linux support is not enabled by default.Opera: Linux support is not enabled by default.Opera: Only supported on macOS. |
| api.BluetoothRemoteGATTCharacteristic.characteristicvaluechanged_event 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTCharacteristic.getDescriptor 📋 | Chrome | 3/9/2017 | 3468 | |
| api.BluetoothRemoteGATTCharacteristic.getDescriptors 📋 | Chrome | 3/9/2017 | 3468 | |
| api.BluetoothRemoteGATTCharacteristic.properties 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTCharacteristic.readValue 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTCharacteristic.service 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTCharacteristic.startNotifications 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTCharacteristic.stopNotifications 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTCharacteristic.uuid 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTCharacteristic.value 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTCharacteristic.writeValue 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTCharacteristic.writeValueWithResponse 📋 | Chrome | 8/25/2020 | 2203 | |
| api.BluetoothRemoteGATTCharacteristic.writeValueWithoutResponse 📋 | Chrome | 8/25/2020 | 2203 | |
| api.BluetoothRemoteGATTDescriptor 📋 | Chrome Android | 3/16/2017 | 3461 | Chrome: Linux support is not enabled by default.Chrome: Only supported on macOS.Edge: Linux support is not enabled by default.Opera: Linux support is not enabled by default.Opera: Only supported on macOS. |
| api.BluetoothRemoteGATTDescriptor.characteristic 📋 | Chrome | 3/9/2017 | 3468 | |
| api.BluetoothRemoteGATTDescriptor.readValue 📋 | Chrome | 3/9/2017 | 3468 | |
| api.BluetoothRemoteGATTDescriptor.uuid 📋 | Chrome | 3/9/2017 | 3468 | |
| api.BluetoothRemoteGATTDescriptor.value 📋 | Chrome | 3/9/2017 | 3468 | |
| api.BluetoothRemoteGATTDescriptor.writeValue 📋 | Chrome | 3/9/2017 | 3468 | |
| api.BluetoothRemoteGATTServer 📋 | Chrome Android | 2/1/2017 | 3504 | Chrome: Linux support is not enabled by default.Chrome: Only supported on macOS.Edge: Linux support is not enabled by default.Opera: Linux support is not enabled by default.Opera: Only supported on macOS. |
| api.BluetoothRemoteGATTServer.connect 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTServer.connected 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTServer.device 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTServer.disconnect 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTServer.getPrimaryService 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTServer.getPrimaryServices 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTService 📋 | Chrome Android | 2/1/2017 | 3504 | Chrome: Linux support is not enabled by default.Chrome: Only supported on macOS.Edge: Linux support is not enabled by default.Opera: Linux support is not enabled by default.Opera: Only supported on macOS. |
| api.BluetoothRemoteGATTService.device 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTService.getCharacteristic 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTService.getCharacteristics 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTService.isPrimary 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothRemoteGATTService.uuid 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothUUID 📋 | Chrome Android | 2/1/2017 | 3504 | Chrome: Linux support is not enabled by default.Chrome: Only supported on macOS.Edge: Linux support is not enabled by default.Opera: Linux support is not enabled by default.Opera: Only supported on macOS. |
| api.BluetoothUUID.canonicalUUID_static 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothUUID.getCharacteristic_static 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothUUID.getDescriptor_static 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BluetoothUUID.getService_static 📋 | Chrome | 1/25/2017 | 3511 | |
| api.BrowserCaptureMediaStreamTrack 📋 | Chrome | 8/2/2022 | 1496 | |
| api.BrowserCaptureMediaStreamTrack.clone 📋 | Chrome | 8/2/2022 | 1496 | |
| api.BrowserCaptureMediaStreamTrack.cropTo 📋 | Chrome | 8/2/2022 | 1496 | |
| api.BrowserCaptureMediaStreamTrack.restrictTo 📋 | Chrome | 1/14/2025 | 600 | |
| api.BufferedChangeEvent 📋 | Safari | 9/18/2023 | 1084 | |
| api.BufferedChangeEvent.BufferedChangeEvent 📋 | Safari | 9/18/2023 | 1084 | |
| api.BufferedChangeEvent.addedRanges 📋 | Safari | 9/18/2023 | 1084 | |
| api.BufferedChangeEvent.removedRanges 📋 | Safari | 9/18/2023 | 1084 | |
| api.CSPViolationReportBody 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.blockedURL 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.columnNumber 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.disposition 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.documentURL 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.effectiveDirective 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.lineNumber 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.originalPolicy 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.referrer 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.sample 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.sourceFile 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.statusCode 📋 | Chrome | 4/23/2019 | 2693 | |
| api.CSPViolationReportBody.toJSON 📋 | Chrome | 2/4/2020 | 2406 | |
| api.CSS.Hz_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.Q_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.cap_static 📋 | Chrome | 10/10/2023 | 1062 | |
| api.CSS.ch_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.cm_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.cqb_static 📋 | Edge | 9/1/2022 | 1466 | |
| api.CSS.cqh_static 📋 | Edge | 9/1/2022 | 1466 | |
| api.CSS.cqi_static 📋 | Edge | 9/1/2022 | 1466 | |
| api.CSS.cqmax_static 📋 | Edge | 9/1/2022 | 1466 | |
| api.CSS.cqmin_static 📋 | Edge | 9/1/2022 | 1466 | |
| api.CSS.cqw_static 📋 | Edge | 9/1/2022 | 1466 | |
| api.CSS.deg_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.dpcm_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.dpi_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.dppx_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.dvb_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.dvh_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.dvi_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.dvmax_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.dvmin_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.dvw_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.em_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.ex_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.fr_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.grad_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.highlights_static 📋 | Edge | 9/1/2022 | 1466 | |
| api.CSS.ic_static 📋 | Safari | 3/27/2023 | 1259 | |
| api.CSS.in_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.kHz_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.lh_static 📋 | Safari | 3/27/2023 | 1259 | |
| api.CSS.lvb_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.lvh_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.lvi_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.lvmax_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.lvmin_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.lvw_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.mm_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.ms_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.number_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.paintWorklet_static 📋 | Chrome | 3/6/2018 | 3106 | |
| api.CSS.pc_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.percent_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.pt_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.px_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.rad_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.rcap_static 📋 | Chrome | 10/10/2023 | 1062 | |
| api.CSS.rch_static 📋 | Chrome | 10/10/2023 | 1062 | |
| api.CSS.rem_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.rex_static 📋 | Chrome | 10/10/2023 | 1062 | |
| api.CSS.ric_static 📋 | Chrome | 10/10/2023 | 1062 | |
| api.CSS.rlh_static 📋 | Safari | 3/27/2023 | 1259 | |
| api.CSS.s_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.svb_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.svh_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.svi_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.svmax_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.svmin_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.svw_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.turn_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.vb_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.vh_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.vi_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CSS.vmax_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.vmin_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSS.vw_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSFontFeatureValuesMap 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.@@iterator 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.clear 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.delete 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.entries 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.forEach 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.get 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.has 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.keys 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.set 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.size 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesMap.values 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesRule.annotation 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesRule.characterVariant 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesRule.ornaments 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesRule.styleset 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesRule.stylistic 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSFontFeatureValuesRule.swash 📋 | Chrome | 3/7/2023 | 1279 | |
| api.CSSImageValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSKeywordValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSKeywordValue.CSSKeywordValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSKeywordValue.value 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMarginRule 📋 | Chrome | 11/12/2024 | 663 | |
| api.CSSMarginRule.name 📋 | Chrome | 11/12/2024 | 663 | |
| api.CSSMarginRule.style 📋 | Chrome | 11/12/2024 | 663 | |
| api.CSSMathClamp 📋 | Chrome | 3/29/2022 | 1622 | |
| api.CSSMathClamp.CSSMathClamp 📋 | Chrome | 3/29/2022 | 1622 | |
| api.CSSMathClamp.lower 📋 | Chrome | 3/29/2022 | 1622 | |
| api.CSSMathClamp.upper 📋 | Chrome | 3/29/2022 | 1622 | |
| api.CSSMathClamp.value 📋 | Chrome | 3/29/2022 | 1622 | |
| api.CSSMathInvert 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathInvert.CSSMathInvert 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathInvert.value 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathMax 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathMax.CSSMathMax 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathMax.values 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathMin 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathMin.CSSMathMin 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathMin.values 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathNegate 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathNegate.CSSMathNegate 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathNegate.value 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathProduct 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathProduct.CSSMathProduct 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathProduct.values 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathSum 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathSum.CSSMathSum 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathSum.values 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMathValue.operator 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMatrixComponent 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMatrixComponent.CSSMatrixComponent 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSMatrixComponent.matrix 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericArray 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericArray.@@iterator | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericArray.entries | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericArray.forEach | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericArray.keys | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericArray.length 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericArray.values | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue.add 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue.div 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue.equals 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue.max 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue.min 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue.mul 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue.parse_static 📋 | Chrome | 4/17/2018 | 3064 | Chrome: Not exposed to PaintWorklet.Chrome Android: Not exposed to PaintWorklet.Edge: Not exposed to PaintWorklet.Quest Browser: Not exposed to PaintWorklet.Opera: Not exposed to PaintWorklet.Opera Android: Not exposed to PaintWorklet.Samsung Internet: Not exposed to PaintWorklet.WebView Android: Not exposed to PaintWorklet. |
| api.CSSNumericValue.sub 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue.to 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue.toSum 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSNumericValue.type 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSPageDescriptors 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.margin 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.margin-bottom 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.margin-left 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.margin-right 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.margin-top 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.marginBottom 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.marginLeft 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.marginRight 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.marginTop 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.page-orientation 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.pageOrientation 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageDescriptors.size 📋 | Firefox | 8/6/2024 | 761 | |
| api.CSSPageRule.style.type_CSSPageDescriptors | Firefox | 8/6/2024 | 761 | |
| api.CSSPerspective 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSPerspective.CSSPerspective 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSPerspective.length 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSPositionTryDescriptors 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.align-self 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.alignSelf 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.block-size 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.blockSize 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.bottom 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.height 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.inline-size 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.inlineSize 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.inset 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.inset-block 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.inset-block-end 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.inset-block-start 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.inset-inline 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.inset-inline-end 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.inset-inline-start 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.insetBlock 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.insetBlockEnd 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.insetBlockStart 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.insetInline 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.insetInlineEnd 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.insetInlineStart 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.justify-self 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.justifySelf 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.left 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin-block 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin-block-end 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin-block-start 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin-bottom 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin-inline 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin-inline-end 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin-inline-start 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin-left 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin-right 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.margin-top 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.marginBlock 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.marginBlockEnd 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.marginBlockStart 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.marginBottom 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.marginInline 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.marginInlineEnd 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.marginInlineStart 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.marginLeft 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.marginRight 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.marginTop 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.max-block-size 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.max-height 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.max-inline-size 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.max-width 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.maxBlockSize 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.maxHeight 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.maxInlineSize 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.maxWidth 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.min-block-size 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.min-height 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.min-inline-size 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.min-width 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.minBlockSize 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.minHeight 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.minInlineSize 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.minWidth 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.place-self 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.placeSelf 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.position-anchor 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.position-area 📋 | Chrome | 9/17/2024 | 719 | |
| api.CSSPositionTryDescriptors.positionAnchor 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.positionArea 📋 | Chrome | 9/17/2024 | 719 | |
| api.CSSPositionTryDescriptors.right 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.top 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryDescriptors.width 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryRule 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryRule.name 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionTryRule.style 📋 | Chrome | 5/14/2024 | 845 | |
| api.CSSPositionValue | Chrome | 4/17/2018 | 3064 | |
| api.CSSPositionValue.CSSPositionValue | Chrome | 4/17/2018 | 3064 | |
| api.CSSPositionValue.x | Chrome | 4/17/2018 | 3064 | |
| api.CSSPositionValue.y | Chrome | 4/17/2018 | 3064 | |
| api.CSSPrimitiveValue | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSPrimitiveValue.getCounterValue | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSPrimitiveValue.getFloatValue | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSPrimitiveValue.getRGBColorValue | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSPrimitiveValue.getRectValue | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSPrimitiveValue.getStringValue | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSPrimitiveValue.primitiveType | Safari on iOS | 9/18/2013 | 4736 | |
| api.CSSPrimitiveValue.setFloatValue | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSPrimitiveValue.setStringValue | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSPseudoElement 📋 | Firefox | 4/7/2020 | 2343 | |
| api.CSSPseudoElement.element 📋 | Firefox | 4/7/2020 | 2343 | |
| api.CSSPseudoElement.type 📋 | Firefox | 4/7/2020 | 2343 | |
| api.CSSRotate 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSRotate.CSSRotate 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSRotate.angle 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSRotate.x 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSRotate.y 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSRotate.z 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSScale 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSScale.CSSScale 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSScale.x 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSScale.y 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSScale.z 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSSkew 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSSkew.CSSSkew 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSSkew.ax 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSSkew.ay 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSSkewX 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSSkewX.CSSSkewX 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSSkewX.ax 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSSkewY 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSSkewY.CSSSkewY 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSSkewY.ay 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSStyleDeclaration.cssFloat 📋 | Safari | 6/23/2003 | 8476 | |
| api.CSSStyleDeclaration.getPropertyCSSValue | Safari | 6/23/2003 | 8476 | Firefox: Only returns a result if called on the result of getComputedStyle(). |
| api.CSSStyleRule.styleMap 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSStyleSheet.CSSStyleSheet.options_baseURL_parameter 📋 | Firefox | 5/31/2022 | 1559 | |
| api.CSSStyleValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSStyleValue.parseAll_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSStyleValue.parse_static 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSStyleValue.toString 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformComponent 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformComponent.is2D 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformComponent.toMatrix 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformComponent.toString 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformValue.@@iterator | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformValue.CSSTransformValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformValue.entries | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformValue.forEach | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformValue.is2D 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformValue.keys | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformValue.length 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformValue.toMatrix 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTransformValue.values | Chrome | 4/17/2018 | 3064 | |
| api.CSSTranslate 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTranslate.CSSTranslate 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTranslate.x 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTranslate.y 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSTranslate.z 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnitValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnitValue.CSSUnitValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnitValue.unit 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnitValue.value 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnparsedValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnparsedValue.@@iterator | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnparsedValue.CSSUnparsedValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnparsedValue.entries | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnparsedValue.forEach | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnparsedValue.keys | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnparsedValue.length 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSUnparsedValue.values | Chrome | 4/17/2018 | 3064 | |
| api.CSSValue | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSValue.cssText | Safari on iOS | 9/18/2013 | 4736 | |
| api.CSSValue.cssValueType | Safari on iOS | 9/18/2013 | 4736 | |
| api.CSSValueList | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSValueList.item | Safari on iOS | 6/29/2007 | 7009 | |
| api.CSSValueList.length | Safari on iOS | 9/13/2016 | 3645 | |
| api.CSSVariableReferenceValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSVariableReferenceValue.CSSVariableReferenceValue 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSVariableReferenceValue.fallback 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSVariableReferenceValue.variable 📋 | Chrome | 4/17/2018 | 3064 | |
| api.CSSViewTransitionRule 📋 | Chrome | 6/11/2024 | 817 | |
| api.CSSViewTransitionRule.navigation 📋 | Chrome | 6/11/2024 | 817 | |
| api.CSSViewTransitionRule.types 📋 | Chrome | 6/11/2024 | 817 | |
| api.CanMakePaymentEvent 📋 | Chrome | 10/16/2018 | 2882 | |
| api.CanMakePaymentEvent.CanMakePaymentEvent 📋 | Chrome | 10/16/2018 | 2882 | |
| api.CanMakePaymentEvent.respondWith 📋 | Chrome | 10/16/2018 | 2882 | |
| api.CanvasCaptureMediaStreamTrack 📋 | Chrome | 5/25/2016 | 3756 | |
| api.CanvasCaptureMediaStreamTrack.canvas 📋 | Chrome | 5/25/2016 | 3756 | |
| api.CanvasCaptureMediaStreamTrack.requestFrame 📋 | Chrome | 5/25/2016 | 3756 | |
| api.CanvasFilter | Chrome | 5/2/2023 | 1223 | |
| api.CanvasFilter.CanvasFilter | Chrome | 5/2/2023 | 1223 | |
| api.CanvasRenderingContext2D.drawFocusIfNeeded.path_parameter | Chrome | 8/26/2014 | 4394 | |
| api.CanvasRenderingContext2D.filter 📋 | Chrome | 7/20/2016 | 3700 | |
| api.CanvasRenderingContext2D.fontKerning 📋 | Chrome | 3/1/2022 | 1650 | |
| api.CanvasRenderingContext2D.fontStretch 📋 | Chrome | 3/1/2022 | 1650 | |
| api.CanvasRenderingContext2D.fontVariantCaps 📋 | Chrome | 3/1/2022 | 1650 | |
| api.CanvasRenderingContext2D.imageSmoothingQuality 📋 | Safari | 3/21/2016 | 3821 | |
| api.CanvasRenderingContext2D.isContextLost 📋 | Chrome | 3/1/2022 | 1650 | |
| api.CanvasRenderingContext2D.letterSpacing 📋 | Chrome | 3/1/2022 | 1650 | |
| api.CanvasRenderingContext2D.textRendering 📋 | Chrome | 3/1/2022 | 1650 | |
| api.CanvasRenderingContext2D.wordSpacing 📋 | Chrome | 3/1/2022 | 1650 | |
| api.CaptureController 📋 | Chrome | 1/10/2023 | 1335 | |
| api.CaptureController.CaptureController 📋 | Chrome | 1/10/2023 | 1335 | |
| api.CaptureController.setFocusBehavior 📋 | Chrome | 1/10/2023 | 1335 | |
| api.CaretPosition 📋 | Firefox | 4/2/2013 | 4905 | |
| api.CaretPosition.getClientRect 📋 | Firefox | 8/6/2013 | 4779 | |
| api.CaretPosition.offset 📋 | Firefox | 4/2/2013 | 4905 | |
| api.CaretPosition.offsetNode 📋 | Firefox | 4/2/2013 | 4905 | |
| api.ChapterInformation 📋 | Chrome | 7/23/2024 | 775 | |
| api.ChapterInformation.artwork 📋 | Chrome | 7/23/2024 | 775 | |
| api.ChapterInformation.startTime 📋 | Chrome | 7/23/2024 | 775 | |
| api.ChapterInformation.title 📋 | Chrome | 7/23/2024 | 775 | |
| api.CharacterBoundsUpdateEvent 📋 | Chrome | 1/23/2024 | 957 | |
| api.CharacterBoundsUpdateEvent.CharacterBoundsUpdateEvent 📋 | Chrome | 1/23/2024 | 957 | |
| api.CharacterBoundsUpdateEvent.rangeEnd 📋 | Chrome | 1/23/2024 | 957 | |
| api.CharacterBoundsUpdateEvent.rangeStart 📋 | Chrome | 1/23/2024 | 957 | |
| api.Clipboard.read.formats_unsanitized_parameter 📋 | Chrome | 2/20/2024 | 929 | |
| api.ClipboardItem.presentationStyle 📋 | Safari | 3/24/2020 | 2357 | |
| api.ClipboardItem.supports_static 📋 | Chrome | 1/23/2024 | 957 | |
| api.ClipboardItem.type_image_svg_xml 📋 | Chrome | 4/16/2024 | 873 | |
| api.ClipboardItem.type_web 📋 | Chrome | 8/2/2022 | 1496 | |
| api.CloseWatcher 📋 | Chrome | 6/11/2024 | 817 | |
| api.CloseWatcher.CloseWatcher 📋 | Chrome | 6/11/2024 | 817 | |
| api.CloseWatcher.cancel_event 📋 | Chrome | 6/11/2024 | 817 | |
| api.CloseWatcher.close 📋 | Chrome | 6/11/2024 | 817 | |
| api.CloseWatcher.close_event 📋 | Chrome | 6/11/2024 | 817 | |
| api.CloseWatcher.destroy 📋 | Chrome | 6/11/2024 | 817 | |
| api.CloseWatcher.requestClose 📋 | Chrome | 6/11/2024 | 817 | |
| api.CompositionEvent.locale | Firefox | 12/20/2011 | 5374 | |
| api.ContactAddress 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.addressLine 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.city 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.country 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.dependentLocality 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.organization 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.phone 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.postalCode 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.recipient 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.region 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.sortingCode 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactAddress.toJSON 📋 | Chrome Android | 7/27/2020 | 2232 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactsManager 📋 | Chrome Android | 2/4/2020 | 2406 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactsManager.getProperties 📋 | Chrome Android | 2/4/2020 | 2406 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContactsManager.select 📋 | Chrome Android | 2/4/2020 | 2406 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.ContentIndex 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.ContentIndex.add 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.ContentIndex.delete 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.ContentIndex.getAll 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.ContentIndexEvent 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.ContentIndexEvent.ContentIndexEvent 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.ContentIndexEvent.id 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.CookieChangeEvent 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieChangeEvent.CookieChangeEvent 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieChangeEvent.changed 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieChangeEvent.changed.partitioned_property 📋 | Chrome | 5/30/2023 | 1195 | |
| api.CookieChangeEvent.deleted 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieChangeEvent.deleted.partitioned_property 📋 | Chrome | 5/30/2023 | 1195 | |
| api.CookieStore 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieStore.change_event 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieStore.delete 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieStore.delete.partitioned_option 📋 | Chrome | 5/30/2023 | 1195 | |
| api.CookieStore.get 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieStore.get.partitioned_return_property 📋 | Chrome | 5/30/2023 | 1195 | |
| api.CookieStore.getAll 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieStore.getAll.partitioned_return_property 📋 | Chrome | 5/30/2023 | 1195 | |
| api.CookieStore.set 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieStore.set.partitioned_option 📋 | Chrome | 5/30/2023 | 1195 | |
| api.CookieStoreManager 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieStoreManager.getSubscriptions 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieStoreManager.subscribe 📋 | Chrome | 11/17/2020 | 2119 | |
| api.CookieStoreManager.unsubscribe 📋 | Chrome | 11/17/2020 | 2119 | |
| api.Counter | Safari on iOS | 6/29/2007 | 7009 | |
| api.Counter.identifier | Safari on iOS | 6/29/2007 | 7009 | |
| api.Counter.listStyle | Safari on iOS | 6/29/2007 | 7009 | |
| api.Counter.separator | Safari on iOS | 6/29/2007 | 7009 | |
| api.Credential.isConditionalMediationAvailable_static 📋 | Safari | 9/12/2022 | 1455 | |
| api.CredentialsContainer.create.publicKey_option.extensions.credProps 📋 | Chrome | 3/2/2021 | 2014 | |
| api.CredentialsContainer.create.publicKey_option.extensions.credProtect | Chrome | 7/30/2019 | 2595 | |
| api.CredentialsContainer.create.publicKey_option.extensions.largeBlob 📋 | Chrome | 5/2/2023 | 1223 | |
| api.CredentialsContainer.create.publicKey_option.extensions.minPinLength | Chrome | 2/1/2022 | 1678 | |
| api.CredentialsContainer.create.publicKey_option.extensions.payment 📋 | Chrome | 10/19/2021 | 1783 | |
| api.CredentialsContainer.create.publicKey_option.requireResidentKey 📋 | Chrome | 3/2/2021 | 2014 | |
| api.CredentialsContainer.create.publicKey_option.residentKey 📋 | Chrome | 3/2/2021 | 2014 | |
| api.CredentialsContainer.get.identity_option 📋 | Chrome | 11/29/2022 | 1377 | |
| api.CredentialsContainer.get.identity_option.context_option 📋 | Chrome | 8/15/2023 | 1118 | |
| api.CredentialsContainer.get.identity_option.error_api | Chrome | 12/5/2023 | 1006 | |
| api.CredentialsContainer.get.identity_option.loginHint 📋 | Chrome | 8/15/2023 | 1118 | |
| api.CredentialsContainer.get.otp_option 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.CredentialsContainer.get.publicKey_option.extensions.largeBlob 📋 | Chrome | 5/2/2023 | 1223 | |
| api.CropTarget 📋 | Chrome | 8/2/2022 | 1496 | |
| api.CropTarget.fromElement_static 📋 | Chrome | 8/2/2022 | 1496 | |
| api.CustomElementRegistry.builtin_element_support | Chrome | 5/29/2018 | 3022 | |
| api.CustomElementRegistry.define.disabledFeatures_static_property | Chrome | 9/10/2019 | 2553 | |
| api.DOMError | Chrome | 7/16/2014 | 4435 | |
| api.DOMError.message | Chrome | 7/16/2014 | 4435 | |
| api.DOMError.name | Chrome | 7/16/2014 | 4435 | |
| api.DOMException.serializable_object 📋 | Chrome | 9/10/2019 | 2553 | |
| api.DataCue 📋 | Safari | 9/19/2017 | 3274 | |
| api.DataCue.DataCue 📋 | Safari | 9/19/2017 | 3274 | |
| api.DataCue.type 📋 | Safari | 9/19/2017 | 3274 | |
| api.DataCue.value 📋 | Safari | 9/19/2017 | 3274 | |
| api.DataTransfer.addElement | Firefox | 6/30/2009 | 6277 | |
| api.DataTransfer.mozCursor | Firefox | 6/30/2009 | 6277 | |
| api.DataTransfer.mozSourceNode | Firefox | 3/22/2011 | 5647 | |
| api.DataTransfer.mozUserCancelled | Firefox | 6/30/2009 | 6277 | |
| api.DataTransferItem.getAsFileSystemHandle 📋 | Edge | 10/9/2020 | 2158 | |
| api.DedicatedWorkerGlobalScope.rtctransform_event 📋 | Safari | 3/14/2022 | 1637 | |
| api.DelegatedInkTrailPresenter 📋 | Edge | 9/2/2021 | 1830 | |
| api.DelegatedInkTrailPresenter.presentationArea 📋 | Edge | 9/2/2021 | 1830 | |
| api.DelegatedInkTrailPresenter.updateInkTrailStartPoint 📋 | Edge | 9/2/2021 | 1830 | |
| api.DeprecationReportBody 📋 | Chrome | 9/4/2018 | 2924 | Firefox: Not supported in workers |
| api.DeprecationReportBody.anticipatedRemoval 📋 | Chrome | 9/4/2018 | 2924 | |
| api.DeprecationReportBody.columnNumber 📋 | Chrome | 9/4/2018 | 2924 | |
| api.DeprecationReportBody.id 📋 | Chrome | 9/4/2018 | 2924 | |
| api.DeprecationReportBody.lineNumber 📋 | Chrome | 9/4/2018 | 2924 | |
| api.DeprecationReportBody.message 📋 | Chrome | 9/4/2018 | 2924 | |
| api.DeprecationReportBody.sourceFile 📋 | Chrome | 9/4/2018 | 2924 | |
| api.DeprecationReportBody.toJSON 📋 | Chrome | 9/4/2018 | 2924 | |
| api.DeviceMotionEvent.DeviceMotionEvent 📋 | Firefox | 4/29/2014 | 4513 | |
| api.DeviceMotionEvent.requestPermission_static 📋 | Safari on iOS | 4/26/2021 | 1959 | |
| api.DeviceMotionEventAcceleration 📋 | Safari on iOS | 11/22/2010 | 5767 | |
| api.DeviceMotionEventAcceleration.x 📋 | Safari on iOS | 11/22/2010 | 5767 | |
| api.DeviceMotionEventAcceleration.y 📋 | Safari on iOS | 11/22/2010 | 5767 | |
| api.DeviceMotionEventAcceleration.z 📋 | Safari on iOS | 11/22/2010 | 5767 | |
| api.DeviceMotionEventRotationRate 📋 | Safari on iOS | 11/22/2010 | 5767 | |
| api.DeviceMotionEventRotationRate.alpha 📋 | Safari on iOS | 11/22/2010 | 5767 | |
| api.DeviceMotionEventRotationRate.beta 📋 | Safari on iOS | 11/22/2010 | 5767 | |
| api.DeviceMotionEventRotationRate.gamma 📋 | Safari on iOS | 11/22/2010 | 5767 | |
| api.DeviceOrientationEvent.DeviceOrientationEvent 📋 | Firefox | 11/20/2012 | 5038 | |
| api.DeviceOrientationEvent.absolute 📋 | Chrome | 10/19/2010 | 5801 | |
| api.DeviceOrientationEvent.requestPermission_static 📋 | Safari on iOS | 4/26/2021 | 1959 | |
| api.DevicePosture 📋 | Chrome | 1/14/2025 | 600 | |
| api.DevicePosture.change_event 📋 | Chrome | 1/14/2025 | 600 | |
| api.DevicePosture.type 📋 | Chrome | 1/14/2025 | 600 | |
| api.Directory | Firefox | 6/10/2014 | 4471 | |
| api.Directory.getFiles | Firefox | 8/2/2016 | 3687 | |
| api.Directory.getFilesAndDirectories | Firefox | 11/3/2015 | 3960 | |
| api.Directory.name | Firefox | 6/10/2014 | 4471 | |
| api.Directory.path | Firefox | 11/3/2015 | 3960 | |
| api.DirectoryEntrySync | Chrome | 8/2/2011 | 5514 | |
| api.DirectoryReaderSync | Chrome | 8/2/2011 | 5514 | |
| api.Document.afterscriptexecute_event | Firefox | 12/20/2011 | 5374 | |
| api.Document.beforescriptexecute_event | Firefox | 12/20/2011 | 5374 | |
| api.Document.browsingTopics | Chrome | 7/18/2023 | 1146 | |
| api.Document.caretPositionFromPoint 📋 | Firefox | 4/2/2013 | 4905 | |
| api.Document.caretPositionFromPoint.options_parameter | Chrome | 8/20/2024 | 747 | |
| api.Document.caretRangeFromPoint | Chrome | 1/25/2010 | 6068 | |
| api.Document.createElement.options_parameter | Firefox | 11/15/2016 | 3582 | Chrome: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Chrome Android: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Edge: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Firefox: Firefox accepts a string instead of an object here, but only from version 51 onwards. In version 50, options must be an object.Firefox for Android: Firefox for Android accepts a string instead of an object here, but only from version 51 onwards. In version 50, options must be an object.Quest Browser: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Opera: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Opera Android: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Samsung Internet: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.WebView Android: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated. |
| api.Document.createElementNS.options_parameter | Firefox | 11/15/2016 | 3582 | Chrome: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Chrome Android: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Edge: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Firefox: Firefox accepts a string instead of an object here, but only from version 51 onwards. In version 50, options must be an object.Firefox for Android: Firefox for Android accepts a string instead of an object here, but only from version 51 onwards. In version 50, options must be an object.Quest Browser: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Opera: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Opera Android: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.Samsung Internet: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated.WebView Android: For backwards compatibility, the options parameter can be an object or a string with the custom element tag name, although the string version is deprecated. |
| api.Document.createTouch | Safari on iOS | 6/17/2009 | 6290 | Chrome Android: Since Chrome 55, all parameters are optional.Quest Browser: Since Chrome 55, all parameters are optional.Opera Android: Since Opera Android 42, all parameters are optional.Samsung Internet: Since Chrome 55, all parameters are optional.WebView Android: Since Chrome 55, all parameters are optional. |
| api.Document.createTouchList | Safari on iOS | 6/17/2009 | 6290 | |
| api.Document.enableStyleSheetsForSet | Firefox | 6/17/2008 | 6655 | |
| api.Document.execCommand.defaultParagraphSeparator | Firefox | 8/8/2017 | 3316 | |
| api.Document.execCommand.insertBrOnReturn | Firefox | 11/29/2005 | 7586 | |
| api.Document.exitPictureInPicture 📋 | Chrome | 9/4/2018 | 2924 | |
| api.Document.exitPointerLock 📋 | Chrome | 8/26/2014 | 4394 | |
| api.Document.featurePolicy | Chrome | 4/23/2019 | 2693 | |
| api.Document.fragmentDirective 📋 | Edge | 10/9/2020 | 2158 | |
| api.Document.freeze_event 📋 | Chrome | 7/24/2018 | 2966 | |
| api.Document.getBoxQuads 📋 | Firefox | 7/22/2014 | 4429 | |
| api.Document.hasPrivateToken 📋 | Chrome | 9/12/2023 | 1090 | |
| api.Document.hasRedemptionRecord 📋 | Chrome | 9/12/2023 | 1090 | |
| api.Document.hasUnpartitionedCookieAccess 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.lastStyleSheetSet | Firefox | 6/17/2008 | 6655 | |
| api.Document.moveBefore | Chrome | 2/4/2025 | 579 | |
| api.Document.mozSetImageElement | Firefox | 3/22/2011 | 5647 | |
| api.Document.pictureInPictureElement 📋 | Chrome | 9/4/2018 | 2924 | |
| api.Document.pictureInPictureEnabled 📋 | Chrome | 9/4/2018 | 2924 | |
| api.Document.pointerLockElement 📋 | Chrome | 8/26/2014 | 4394 | |
| api.Document.pointerlockchange_event 📋 | Chrome | 7/16/2014 | 4435 | |
| api.Document.pointerlockerror_event 📋 | Chrome | 7/16/2014 | 4435 | |
| api.Document.preferredStyleSheetSet | Firefox | 6/17/2008 | 6655 | |
| api.Document.prerendering 📋 | Chrome | 11/29/2022 | 1377 | |
| api.Document.prerenderingchange_event 📋 | Chrome | 11/29/2022 | 1377 | |
| api.Document.releaseCapture | Firefox | 3/22/2011 | 5647 | |
| api.Document.requestStorageAccess.types_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_BroadcastChannel_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_SharedWorker_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_all_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_caches_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_cookies_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_createObjectURL_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_estimate_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_getDirectory_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_indexedDB_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_localStorage_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_locks_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_revokeObjectURL_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccess.types_parameter.types_sessionStorage_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Document.requestStorageAccessFor 📋 | Chrome | 10/31/2023 | 1041 | Chrome: Requires the calling top-level page and the embedded document (that the storage access is being requested for) to be part of the same related website set.Chrome Android: Requires the calling top-level page and the embedded document (that the storage access is being requested for) to be part of the same related website set.Edge: Requires the calling top-level page and the embedded document (that the storage access is being requested for) to be part of the same related website set.Opera: Requires the calling top-level page and the embedded document (that the storage access is being requested for) to be part of the same related website set.Opera Android: Requires the calling top-level page and the embedded document (that the storage access is being requested for) to be part of the same related website set.Samsung Internet: Requires the calling top-level page and the embedded document (that the storage access is being requested for) to be part of the same related website set. |
| api.Document.resume_event 📋 | Chrome | 7/24/2018 | 2966 | |
| api.Document.scrollend_event 📋 | Firefox | 1/17/2023 | 1328 | |
| api.Document.scrollsnapchange_event 📋 | Chrome | 9/17/2024 | 719 | |
| api.Document.scrollsnapchanging_event 📋 | Chrome | 9/17/2024 | 719 | |
| api.Document.selectedStyleSheetSet | Firefox | 6/17/2008 | 6655 | |
| api.Document.startViewTransition 📋 | Chrome | 3/7/2023 | 1279 | |
| api.Document.styleSheetSets | Firefox | 6/17/2008 | 6655 | |
| api.Document.wasDiscarded 📋 | Chrome | 7/24/2018 | 2966 | |
| api.Document.xmlEncoding 📋 | Safari on iOS | 6/29/2007 | 7009 | |
| api.Document.xmlStandalone 📋 | Safari on iOS | 6/29/2007 | 7009 | |
| api.Document.xmlVersion 📋 | Safari on iOS | 6/29/2007 | 7009 | |
| api.DocumentFragment.moveBefore | Chrome | 2/4/2025 | 579 | |
| api.DocumentPictureInPicture 📋 | Chrome | 8/15/2023 | 1118 | |
| api.DocumentPictureInPicture.enter_event 📋 | Chrome | 8/15/2023 | 1118 | |
| api.DocumentPictureInPicture.requestWindow 📋 | Chrome | 8/15/2023 | 1118 | |
| api.DocumentPictureInPicture.requestWindow.option_disallowReturnToOpener 📋 | Chrome | 4/16/2024 | 873 | |
| api.DocumentPictureInPicture.requestWindow.option_preferInitialWindowPlacement 📋 | Chrome | 10/15/2024 | 691 | |
| api.DocumentPictureInPicture.window 📋 | Chrome | 8/15/2023 | 1118 | |
| api.DocumentPictureInPictureEvent 📋 | Chrome | 8/15/2023 | 1118 | |
| api.DocumentPictureInPictureEvent.DocumentPictureInPictureEvent 📋 | Chrome | 8/15/2023 | 1118 | |
| api.DocumentPictureInPictureEvent.window 📋 | Chrome | 8/15/2023 | 1118 | |
| api.EXT_disjoint_timer_query 📋 | Chrome | 10/16/2018 | 2882 | Chrome: Only supported on macOS.Chrome: Removed due to the GLitch exploit.Chrome Android: Removed due to the GLitch exploit.Edge: Only supported on macOS.Firefox: Removed due to the GLitch exploit.Opera: Only supported on macOS.Opera: Removed due to the GLitch exploit.Opera Android: Removed due to the GLitch exploit.Samsung Internet: Removed due to the GLitch exploit.WebView Android: Removed due to the GLitch exploit. |
| api.EXT_disjoint_timer_query.beginQueryEXT 📋 | Chrome | 10/16/2018 | 2882 | Chrome: Only supported on macOS.Chrome: Removed due to the GLitch exploit.Chrome Android: Removed due to the GLitch exploit.Edge: Only supported on macOS.Firefox: Removed due to the GLitch exploit.Opera: Only supported on macOS.Opera: Removed due to the GLitch exploit.Opera Android: Removed due to the GLitch exploit.Samsung Internet: Removed due to the GLitch exploit.WebView Android: Removed due to the GLitch exploit. |
| api.EXT_disjoint_timer_query.createQueryEXT 📋 | Chrome | 10/16/2018 | 2882 | Chrome: Only supported on macOS.Chrome: Removed due to the GLitch exploit.Chrome Android: Removed due to the GLitch exploit.Edge: Only supported on macOS.Firefox: Removed due to the GLitch exploit.Opera: Only supported on macOS.Opera: Removed due to the GLitch exploit.Opera Android: Removed due to the GLitch exploit.Samsung Internet: Removed due to the GLitch exploit.WebView Android: Removed due to the GLitch exploit. |
| api.EXT_disjoint_timer_query.deleteQueryEXT 📋 | Chrome | 10/16/2018 | 2882 | Chrome: Only supported on macOS.Chrome: Removed due to the GLitch exploit.Chrome Android: Removed due to the GLitch exploit.Edge: Only supported on macOS.Firefox: Removed due to the GLitch exploit.Opera: Only supported on macOS.Opera: Removed due to the GLitch exploit.Opera Android: Removed due to the GLitch exploit.Samsung Internet: Removed due to the GLitch exploit.WebView Android: Removed due to the GLitch exploit. |
| api.EXT_disjoint_timer_query.endQueryEXT 📋 | Chrome | 10/16/2018 | 2882 | Chrome: Only supported on macOS.Chrome: Removed due to the GLitch exploit.Chrome Android: Removed due to the GLitch exploit.Edge: Only supported on macOS.Firefox: Removed due to the GLitch exploit.Opera: Only supported on macOS.Opera: Removed due to the GLitch exploit.Opera Android: Removed due to the GLitch exploit.Samsung Internet: Removed due to the GLitch exploit.WebView Android: Removed due to the GLitch exploit. |
| api.EXT_disjoint_timer_query.getQueryEXT 📋 | Chrome | 10/16/2018 | 2882 | Chrome: Only supported on macOS.Chrome: Removed due to the GLitch exploit.Chrome Android: Removed due to the GLitch exploit.Edge: Only supported on macOS.Firefox: Removed due to the GLitch exploit.Opera: Only supported on macOS.Opera: Removed due to the GLitch exploit.Opera Android: Removed due to the GLitch exploit.Samsung Internet: Removed due to the GLitch exploit.WebView Android: Removed due to the GLitch exploit. |
| api.EXT_disjoint_timer_query.getQueryObjectEXT 📋 | Chrome | 10/16/2018 | 2882 | Chrome: Only supported on macOS.Chrome: Removed due to the GLitch exploit.Chrome Android: Removed due to the GLitch exploit.Edge: Only supported on macOS.Firefox: Removed due to the GLitch exploit.Opera: Only supported on macOS.Opera: Removed due to the GLitch exploit.Opera Android: Removed due to the GLitch exploit.Samsung Internet: Removed due to the GLitch exploit.WebView Android: Removed due to the GLitch exploit. |
| api.EXT_disjoint_timer_query.isQueryEXT 📋 | Chrome | 10/16/2018 | 2882 | Chrome: Only supported on macOS.Chrome: Removed due to the GLitch exploit.Chrome Android: Removed due to the GLitch exploit.Edge: Only supported on macOS.Firefox: Removed due to the GLitch exploit.Opera: Only supported on macOS.Opera: Removed due to the GLitch exploit.Opera Android: Removed due to the GLitch exploit.Samsung Internet: Removed due to the GLitch exploit.WebView Android: Removed due to the GLitch exploit. |
| api.EXT_disjoint_timer_query.queryCounterEXT 📋 | Chrome | 10/16/2018 | 2882 | Chrome: Only supported on macOS.Chrome: Removed due to the GLitch exploit.Chrome Android: Removed due to the GLitch exploit.Edge: Only supported on macOS.Firefox: Removed due to the GLitch exploit.Opera: Only supported on macOS.Opera: Removed due to the GLitch exploit.Opera Android: Removed due to the GLitch exploit.Samsung Internet: Removed due to the GLitch exploit.WebView Android: Removed due to the GLitch exploit. |
| api.EXT_disjoint_timer_query_webgl2 | Chrome | 10/16/2018 | 2882 | |
| api.EXT_disjoint_timer_query_webgl2.queryCounterEXT | Chrome | 10/16/2018 | 2882 | |
| api.EXT_float_blend 📋 | Firefox | 5/21/2019 | 2665 | Chrome Android: Until Chrome 77, this extension was unavailable on several Android devices powered by GLES 3.2. See bug 41459397.Quest Browser: Until Chrome 77, this extension was unavailable on several Android devices powered by GLES 3.2. See bug 41459397. |
| api.EXT_frag_depth 📋 | Chrome | 10/7/2014 | 4352 | |
| api.EXT_shader_texture_lod 📋 | Safari on iOS | 9/17/2014 | 4372 | |
| api.EXT_texture_compression_bptc 📋 | Firefox | 7/9/2019 | 2616 | Chrome: Only supported on macOS.Edge: Only supported on macOS.Opera: Only supported on macOS. |
| api.EXT_texture_compression_rgtc 📋 | Firefox | 1/29/2019 | 2777 | Chrome: Only supported on macOS.Edge: Only supported on macOS.Firefox: Only supported on macOS.Opera: Only supported on macOS. |
| api.EXT_texture_norm16 📋 | Chrome | 11/17/2020 | 2119 | |
| api.EditContext 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.EditContext 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.attachedElements 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.characterBounds 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.characterBoundsRangeStart 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.characterboundsupdate_event 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.compositionend_event 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.compositionstart_event 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.selectionEnd 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.selectionStart 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.text 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.textformatupdate_event 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.textupdate_event 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.updateCharacterBounds 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.updateControlBounds 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.updateSelection 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.updateSelectionBounds 📋 | Chrome | 1/23/2024 | 957 | |
| api.EditContext.updateText 📋 | Chrome | 1/23/2024 | 957 | |
| api.Element.DOMMouseScroll_event | Firefox | 11/9/2004 | 7971 | |
| api.Element.MozMousePixelScroll_event | Firefox | 8/16/2011 | 5500 | |
| api.Element.afterscriptexecute_event | Firefox | 10/24/2006 | 7257 | |
| api.Element.animate.options_iterationComposite_parameter 📋 | Firefox | 8/25/2020 | 2203 | |
| api.Element.animate.options_rangeEnd_parameter 📋 | Chrome | 7/18/2023 | 1146 | |
| api.Element.animate.options_rangeStart_parameter 📋 | Chrome | 7/18/2023 | 1146 | |
| api.Element.animate.options_timeline_parameter 📋 | Chrome | 8/25/2020 | 2203 | |
| api.Element.ariaActiveDescendantElement 📋 | Safari | 3/27/2023 | 1259 | |
| api.Element.ariaColIndexText 📋 | Firefox | 10/24/2023 | 1048 | |
| api.Element.ariaControlsElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.Element.ariaDescribedByElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.Element.ariaDetailsElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.Element.ariaErrorMessageElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.Element.ariaFlowToElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.Element.ariaLabelledByElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.Element.ariaOwnsElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.Element.ariaRowIndexText 📋 | Firefox | 10/24/2023 | 1048 | |
| api.Element.attachShadow.options_serializable_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Element.auxclick_event.type_pointerevent | Chrome | 7/20/2021 | 1874 | |
| api.Element.beforematch_event 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Element.beforescriptexecute_event | Firefox | 10/24/2006 | 7257 | |
| api.Element.beforexrselect_event 📋 | Chrome | 5/19/2020 | 2301 | |
| api.Element.click_event.type_pointerevent | Chrome | 7/20/2021 | 1874 | |
| api.Element.computedStyleMap 📋 | Chrome | 4/17/2018 | 3064 | |
| api.Element.contextmenu_event 📋 | Safari | 10/26/2007 | 6890 | |
| api.Element.contextmenu_event.type_pointerevent | Chrome | 7/20/2021 | 1874 | |
| api.Element.currentCSSZoom 📋 | Firefox | 5/14/2024 | 845 | |
| api.Element.elementTiming 📋 | Chrome | 9/10/2019 | 2553 | |
| api.Element.gesturechange_event | Safari on iOS | 7/11/2008 | 6631 | |
| api.Element.gestureend_event | Safari on iOS | 7/11/2008 | 6631 | |
| api.Element.gesturestart_event | Safari on iOS | 7/11/2008 | 6631 | |
| api.Element.getBoxQuads 📋 | Firefox | 7/22/2014 | 4429 | |
| api.Element.mousewheel_event | Safari on iOS | 6/29/2007 | 7009 | |
| api.Element.moveBefore | Chrome | 2/4/2025 | 579 | |
| api.Element.pointerrawupdate_event 📋 | Chrome | 9/10/2019 | 2553 | |
| api.Element.requestFullscreen.options_navigationUI_parameter 📋 | Chrome | 12/4/2018 | 2833 | |
| api.Element.requestFullscreen.options_screen_parameter 📋 | Chrome | 3/29/2022 | 1622 | |
| api.Element.requestPointerLock 📋 | Chrome | 8/26/2014 | 4394 | Chrome: From version 92, returns a promise instead of undefined. The behavior reflects a proposed specification change.Chrome Android: From version 92, returns a promise instead of undefined. The behavior reflects a proposed specification change.Edge: From version 92, returns a promise instead of undefined. The behavior reflects a proposed specification change.Quest Browser: From version 17.0, returns a promise instead of undefined. The behavior reflects a proposed specification change.Opera: From version 78, returns a promise instead of undefined. The behavior reflects a proposed specification change.Opera Android: From version 65, returns a promise instead of undefined. The behavior reflects a proposed specification change.Samsung Internet: From version 16, returns a promise instead of undefined. The behavior reflects a proposed specification change.WebView Android: From version 92, returns a promise instead of undefined. The behavior reflects a proposed specification change. |
| api.Element.requestPointerLock.options_unadjustedMovement_parameter | Chrome | 1/19/2021 | 2056 | Chrome: Supported on macOS Catalina 10.15.1+, Windows, and ChromeOS. Not yet supported on Linux.Chrome Android: Supported on macOS Catalina 10.15.1+, Windows, and ChromeOS. Not yet supported on Linux.Edge: Supported on macOS Catalina 10.15.1+, Windows, and ChromeOS. Not yet supported on Linux.Quest Browser: Supported on macOS Catalina 10.15.1+, Windows, and ChromeOS. Not yet supported on Linux.Opera: Supported on macOS Catalina 10.15.1+, Windows, and ChromeOS. Not yet supported on Linux.Opera Android: Supported on macOS Catalina 10.15.1+, Windows, and ChromeOS. Not yet supported on Linux.Samsung Internet: Supported on macOS Catalina 10.15.1+, Windows, and ChromeOS. Not yet supported on Linux.WebView Android: Supported on macOS Catalina 10.15.1+, Windows, and ChromeOS. Not yet supported on Linux. |
| api.Element.scrollIntoViewIfNeeded | Safari on iOS | 6/29/2007 | 7009 | |
| api.Element.scrollLeftMax | Firefox | 10/9/2012 | 5080 | |
| api.Element.scrollTopMax | Firefox | 10/9/2012 | 5080 | |
| api.Element.scrollend_event 📋 | Firefox | 1/17/2023 | 1328 | |
| api.Element.scrollsnapchange_event 📋 | Chrome | 9/17/2024 | 719 | |
| api.Element.scrollsnapchanging_event 📋 | Chrome | 9/17/2024 | 719 | |
| api.Element.setCapture | Firefox | 3/22/2011 | 5647 | Internet Explorer: The retargetToElement parameter to Element.setCapture() was introduced in Internet Explorer 5.5. |
| api.Element.touchcancel_event 📋 | Safari on iOS | 6/17/2009 | 6290 | |
| api.Element.touchend_event 📋 | Safari on iOS | 6/17/2009 | 6290 | |
| api.Element.touchmove_event 📋 | Safari on iOS | 6/17/2009 | 6290 | |
| api.Element.touchstart_event 📋 | Safari on iOS | 6/17/2009 | 6290 | |
| api.Element.webkitmouseforcechanged_event | Safari | 9/30/2015 | 3994 | |
| api.Element.webkitmouseforcedown_event | Safari | 9/30/2015 | 3994 | |
| api.Element.webkitmouseforceup_event | Safari | 9/30/2015 | 3994 | |
| api.Element.webkitmouseforcewillbegin_event | Safari | 9/30/2015 | 3994 | |
| api.Element.wheel_event 📋 | Firefox | 11/20/2012 | 5038 | Internet Explorer: The onwheel event handler property is not supported. To listen to this event, use element.addEventListener('wheel', function() {});. See IE bug 782835. |
| api.ElementInternals.ariaActiveDescendantElement 📋 | Safari | 3/27/2023 | 1259 | |
| api.ElementInternals.ariaColIndexText 📋 | Firefox | 10/24/2023 | 1048 | |
| api.ElementInternals.ariaControlsElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.ElementInternals.ariaDescribedByElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.ElementInternals.ariaDescription 📋 | Chrome | 5/19/2020 | 2301 | |
| api.ElementInternals.ariaDetailsElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.ElementInternals.ariaErrorMessageElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.ElementInternals.ariaFlowToElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.ElementInternals.ariaLabelledByElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.ElementInternals.ariaOwnsElements 📋 | Safari | 3/27/2023 | 1259 | |
| api.ElementInternals.ariaRowIndexText 📋 | Firefox | 10/24/2023 | 1048 | |
| api.EncodedAudioChunk 📋 | Chrome | 9/21/2021 | 1811 | |
| api.EncodedAudioChunk.EncodedAudioChunk 📋 | Chrome | 9/21/2021 | 1811 | |
| api.EncodedAudioChunk.byteLength 📋 | Chrome | 9/21/2021 | 1811 | |
| api.EncodedAudioChunk.copyTo 📋 | Chrome | 9/21/2021 | 1811 | |
| api.EncodedAudioChunk.duration 📋 | Chrome | 9/21/2021 | 1811 | |
| api.EncodedAudioChunk.timestamp 📋 | Chrome | 9/21/2021 | 1811 | |
| api.EncodedAudioChunk.type 📋 | Chrome | 9/21/2021 | 1811 | |
| api.EntrySync | Chrome | 8/2/2011 | 5514 | |
| api.Event.explicitOriginalTarget | Firefox | 11/29/2005 | 7586 | |
| api.Event.originalTarget | Firefox | 11/29/2005 | 7586 | |
| api.EventCounts 📋 | Chrome | 8/25/2020 | 2203 | |
| api.EventCounts.@@iterator | Chrome | 8/25/2020 | 2203 | |
| api.EventCounts.entries | Chrome | 8/25/2020 | 2203 | |
| api.EventCounts.forEach | Chrome | 8/25/2020 | 2203 | |
| api.EventCounts.get | Chrome | 8/25/2020 | 2203 | |
| api.EventCounts.has | Chrome | 8/25/2020 | 2203 | |
| api.EventCounts.keys | Chrome | 8/25/2020 | 2203 | |
| api.EventCounts.size | Chrome | 8/25/2020 | 2203 | |
| api.EventCounts.values | Chrome | 8/25/2020 | 2203 | |
| api.EventTarget.addEventListener.options_parameter.options_passive_parameter_default_true_wheel | Chrome | 3/12/2019 | 2735 | |
| api.ExtendableCookieChangeEvent 📋 | Chrome | 11/17/2020 | 2119 | |
| api.ExtendableCookieChangeEvent.ExtendableCookieChangeEvent 📋 | Chrome | 11/17/2020 | 2119 | |
| api.ExtendableCookieChangeEvent.changed 📋 | Chrome | 11/17/2020 | 2119 | |
| api.ExtendableCookieChangeEvent.changed.partitioned_property 📋 | Chrome | 5/30/2023 | 1195 | |
| api.ExtendableCookieChangeEvent.deleted 📋 | Chrome | 11/17/2020 | 2119 | |
| api.ExtendableCookieChangeEvent.deleted.partitioned_property 📋 | Chrome | 5/30/2023 | 1195 | |
| api.External 📋 | Firefox | 10/24/2006 | 7257 | |
| api.External.AddSearchProvider 📋 | Firefox | 10/24/2006 | 7257 | Firefox: From Firefox 78 this function does nothing, as the specification requires. |
| api.External.IsSearchProviderInstalled 📋 | Firefox | 10/24/2006 | 7257 | |
| api.EyeDropper 📋 | Chrome | 10/19/2021 | 1783 | |
| api.EyeDropper.EyeDropper 📋 | Chrome | 10/19/2021 | 1783 | |
| api.EyeDropper.open 📋 | Chrome | 10/19/2021 | 1783 | |
| api.EyeDropper.secure_context_required | Chrome | 11/15/2021 | 1756 | |
| api.FeaturePolicy | Firefox | 1/29/2019 | 2777 | |
| api.FeaturePolicy.allowedFeatures | Firefox | 1/29/2019 | 2777 | |
| api.FeaturePolicy.allowsFeature | Firefox | 1/29/2019 | 2777 | |
| api.FeaturePolicy.features | Chrome | 4/23/2019 | 2693 | |
| api.FeaturePolicy.getAllowlistForFeature | Firefox | 1/29/2019 | 2777 | |
| api.FederatedCredential 📋 | Chrome | 5/25/2016 | 3756 | |
| api.FederatedCredential.FederatedCredential 📋 | Chrome | 5/25/2016 | 3756 | |
| api.FederatedCredential.iconURL | Chrome | 5/25/2016 | 3756 | |
| api.FederatedCredential.name | Chrome | 5/25/2016 | 3756 | |
| api.FederatedCredential.protocol 📋 | Chrome | 5/25/2016 | 3756 | |
| api.FederatedCredential.provider 📋 | Chrome | 5/25/2016 | 3756 | |
| api.Fence 📋 | Chrome | 7/18/2023 | 1146 | |
| api.Fence.getNestedConfigs 📋 | Chrome | 7/18/2023 | 1146 | |
| api.Fence.reportEvent 📋 | Chrome | 7/18/2023 | 1146 | |
| api.Fence.setReportEventDataForAutomaticBeacons 📋 | Chrome | 7/18/2023 | 1146 | |
| api.Fence.setReportEventDataForAutomaticBeacons.start_commit_eventType | Chrome | 12/5/2023 | 1006 | Chrome: Previously only a single eventType was available, reserved.top_navigation, but this has been replaced by the new values.Chrome Android: Previously only a single eventType was available, reserved.top_navigation, but this has been replaced by the new values.Edge: Previously only a single eventType was available, reserved.top_navigation, but this has been replaced by the new values.Opera: Previously only a single eventType was available, reserved.top_navigation, but this has been replaced by the new values.Opera Android: Previously only a single eventType was available, reserved.top_navigation, but this has been replaced by the new values.Samsung Internet: Previously only a single eventType was available, reserved.top_navigation, but this has been replaced by the new values.WebView Android: Previously only a single eventType was available, reserved.top_navigation, but this has been replaced by the new values. |
| api.FencedFrameConfig 📋 | Chrome | 7/18/2023 | 1146 | |
| api.FencedFrameConfig.setSharedStorageContext 📋 | Chrome | 7/18/2023 | 1146 | |
| api.FetchEvent.isReload | Chrome | 1/21/2015 | 4246 | Chrome: May be removed in a future release, see bug 40487736.Chrome Android: May be removed in a future release, see bug 40487736.Quest Browser: May be removed in a future release, see bug 40487736. |
| api.FetchEvent.respondWith.networkerror_on_same-origin_cors | Firefox | 3/13/2018 | 3099 | |
| api.FetchEvent.respondWith.resource_url | Firefox | 3/13/2018 | 3099 | |
| api.File.lastModifiedDate | Chrome | 8/2/2011 | 5514 | |
| api.FileEntrySync | Chrome | 8/2/2011 | 5514 | |
| api.FileSystemDirectoryEntry.removeRecursively | Chrome | 12/2/2010 | 5757 | Firefox: While the removeRecursively() method existed, it immediately called the error callback with NS_ERROR_DOM_SECURITY_ERR.Firefox for Android: While the removeRecursively() method existed, it immediately called the error callback with NS_ERROR_DOM_SECURITY_ERR. |
| api.FileSystemEntry.copyTo | Chrome | 12/2/2010 | 5757 | |
| api.FileSystemEntry.getMetadata | Chrome | 12/2/2010 | 5757 | |
| api.FileSystemEntry.moveTo | Chrome | 12/2/2010 | 5757 | |
| api.FileSystemEntry.remove | Chrome | 12/2/2010 | 5757 | |
| api.FileSystemEntry.toURL | Chrome | 12/2/2010 | 5757 | |
| api.FileSystemFileEntry.createWriter | Chrome | 12/2/2010 | 5757 | Firefox: While the createWriter() method existed, it immediately called errorCallback with the NS_ERROR_DOM_SECURITY_ERR error.Firefox for Android: While the createWriter() method existed, it immediately called errorCallback with the NS_ERROR_DOM_SECURITY_ERR error. |
| api.FileSystemFileHandle.createSyncAccessHandle.mode | Chrome | 1/23/2024 | 957 | |
| api.FileSystemFileHandle.createWritable 📋 | Edge | 10/9/2020 | 2158 | |
| api.FileSystemFileHandle.createWritable.mode | Chrome | 1/23/2024 | 957 | |
| api.FileSystemHandle.move | Safari | 12/13/2021 | 1728 | |
| api.FileSystemHandle.queryPermission 📋 | Edge | 10/9/2020 | 2158 | |
| api.FileSystemHandle.remove | Chrome | 2/7/2023 | 1307 | |
| api.FileSystemHandle.requestPermission 📋 | Edge | 10/9/2020 | 2158 | |
| api.FileSystemObserver | Chrome | 2/4/2025 | 579 | |
| api.FileSystemObserver.FileSystemObserver | Chrome | 2/4/2025 | 579 | |
| api.FileSystemObserver.disconnect | Chrome | 2/4/2025 | 579 | |
| api.FileSystemObserver.observe | Chrome | 2/4/2025 | 579 | |
| api.FileSystemSync | Chrome | 8/2/2011 | 5514 | |
| api.FileSystemSync.name | Chrome | 8/2/2011 | 5514 | |
| api.FileSystemSync.root | Chrome | 8/2/2011 | 5514 | |
| api.FileSystemWritableFileStream 📋 | Edge | 10/9/2020 | 2158 | |
| api.FileSystemWritableFileStream.seek 📋 | Edge | 10/9/2020 | 2158 | |
| api.FileSystemWritableFileStream.truncate 📋 | Edge | 10/9/2020 | 2158 | |
| api.FileSystemWritableFileStream.write 📋 | Edge | 10/9/2020 | 2158 | |
| api.FontData 📋 | Chrome | 6/21/2022 | 1538 | |
| api.FontData.blob 📋 | Chrome | 6/21/2022 | 1538 | |
| api.FontData.family 📋 | Chrome | 6/21/2022 | 1538 | |
| api.FontData.fullName 📋 | Chrome | 6/21/2022 | 1538 | |
| api.FontData.postscriptName 📋 | Chrome | 6/21/2022 | 1538 | |
| api.FontData.style 📋 | Chrome | 6/21/2022 | 1538 | |
| api.FontFace.ascentOverride 📋 | Chrome | 11/17/2020 | 2119 | |
| api.FontFace.descentOverride 📋 | Chrome | 11/17/2020 | 2119 | |
| api.FontFace.lineGapOverride 📋 | Chrome | 11/17/2020 | 2119 | |
| api.FontFace.variant | Chrome | 5/20/2014 | 4492 | |
| api.FontFace.variationSettings 📋 | Firefox | 9/5/2018 | 2923 | |
| api.FontFace.worker_support | Chrome | 9/4/2018 | 2924 | |
| api.FontFaceSet.FontFaceSet | Safari on iOS | 9/13/2016 | 3645 | Safari: Will be removed, see bug 276794Safari on iOS: Will be removed, see bug 276794WebView on iOS: Will be removed, see bug 276794 |
| api.FontFaceSet.worker_support | Chrome | 9/4/2018 | 2924 | |
| api.FontFaceSetLoadEvent 📋 | Chrome | 5/20/2014 | 4492 | |
| api.FontFaceSetLoadEvent.FontFaceSetLoadEvent 📋 | Firefox | 9/22/2015 | 4002 | |
| api.FontFaceSetLoadEvent.fontfaces 📋 | Chrome | 5/20/2014 | 4492 | |
| api.FontFaceSetLoadEvent.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.FragmentDirective 📋 | Chrome | 4/7/2020 | 2343 | |
| api.GPU 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPU.getPreferredCanvasFormat 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPU.requestAdapter 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPU.requestAdapter.discrete_adapter_default_ac | Chrome | 7/18/2023 | 1146 | Chrome: Currently supported on dual GPU macOS devices only.Edge: Currently supported on dual GPU macOS devices only.Opera: Currently supported on dual GPU macOS devices only. |
| api.GPU.wgslLanguageFeatures 📋 | Chrome | 7/18/2023 | 1146 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapter 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapter.features 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapter.info 📋 | Chrome | 7/23/2024 | 775 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapter.isFallbackAdapter 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapter.limits 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapter.requestAdapterInfo | Chrome Android | 1/23/2024 | 957 | Firefox: Currently supported on Linux and Windows only. |
| api.GPUAdapter.requestDevice 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapter.requestDevice.lost_device_on_duplicate | Chrome | 8/15/2023 | 1118 | |
| api.GPUAdapterInfo 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapterInfo.architecture 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapterInfo.description 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapterInfo.device 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUAdapterInfo.vendor 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBindGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBindGroup.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBindGroupLayout 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBindGroupLayout.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBuffer.destroy 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBuffer.getMappedRange 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBuffer.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBuffer.mapAsync 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBuffer.mapState 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBuffer.size 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBuffer.unmap 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUBuffer.usage 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCanvasContext 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCanvasContext.canvas 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCanvasContext.configure 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome: The rgba8unorm format is currently not supported on macOS. See bug 40823053.Edge: Currently supported on ChromeOS, macOS, and Windows only.Edge: The rgba8unorm format is currently not supported on macOS. See bug 40823053.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera: The rgba8unorm format is currently not supported on macOS. See bug 40823053. |
| api.GPUCanvasContext.configure.toneMapping 📋 | Chrome | 9/17/2024 | 719 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome Android: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera Android: Currently supported on ChromeOS, macOS, and Windows only.WebView Android: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCanvasContext.getConfiguration 📋 | Chrome | 11/12/2024 | 663 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome Android: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera Android: Currently supported on ChromeOS, macOS, and Windows only.WebView Android: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCanvasContext.getCurrentTexture 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCanvasContext.unconfigure 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandBuffer.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.beginComputePass 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.beginComputePass.timestampWrites 📋 | Chrome | 1/23/2024 | 957 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.beginRenderPass 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.beginRenderPass.depthSlice_option 📋 | Chrome | 5/14/2024 | 845 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.beginRenderPass.separate_depth_stencil_read-only | Chrome | 3/19/2024 | 901 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.beginRenderPass.timestampWrites 📋 | Chrome | 1/23/2024 | 957 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.clearBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.copyBufferToBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.copyBufferToTexture 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.copyTextureToBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.copyTextureToTexture 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.finish 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.insertDebugMarker 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.popDebugGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.pushDebugGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCommandEncoder.resolveQuerySet 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCompilationInfo 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCompilationInfo.messages 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCompilationMessage 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCompilationMessage.length 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCompilationMessage.lineNum 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCompilationMessage.linePos 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCompilationMessage.message 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCompilationMessage.offset 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUCompilationMessage.type 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.dispatchWorkgroups 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.dispatchWorkgroupsIndirect 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.end 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.insertDebugMarker 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.popDebugGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.pushDebugGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.setBindGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.setBindGroup.unset_bind_group | Chrome | 9/12/2023 | 1090 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.setPipeline 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePassEncoder.writeTimestamp | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePipeline 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePipeline.getBindGroupLayout 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUComputePipeline.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.adapterInfo 📋 | Chrome | 1/14/2025 | 600 | |
| api.GPUDevice.createBindGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createBindGroupLayout 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createBindGroupLayout.storageTexture_access_read-write_read-only 📋 | Chrome | 4/16/2024 | 873 | |
| api.GPUDevice.createBindGroupLayout.texture_rgb10a2uint 📋 | Chrome | 10/31/2023 | 1041 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createCommandEncoder 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createComputePipeline 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createComputePipeline.optional_entryPoint | Chrome | 1/23/2024 | 957 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome Android: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera Android: Currently supported on ChromeOS, macOS, and Windows only.Samsung Internet: Currently supported on ChromeOS, macOS, and Windows only.WebView Android: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createComputePipelineAsync 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createComputePipelineAsync.optional_entryPoint | Chrome | 1/23/2024 | 957 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome Android: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera Android: Currently supported on ChromeOS, macOS, and Windows only.Samsung Internet: Currently supported on ChromeOS, macOS, and Windows only.WebView Android: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createPipelineLayout 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createQuerySet 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createQuerySet.timestamp 📋 | Chrome | 1/23/2024 | 957 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderBundleEncoder 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipeline 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipeline.dual-source-blending 📋 | Chrome | 10/15/2024 | 691 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipeline.optional_depthcompare_depthwriteenabled | Chrome | 12/5/2023 | 1006 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipeline.optional_entryPoint | Chrome | 1/23/2024 | 957 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome Android: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera Android: Currently supported on ChromeOS, macOS, and Windows only.Samsung Internet: Currently supported on ChromeOS, macOS, and Windows only.WebView Android: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipeline.texture_rgb10a2uint 📋 | Chrome | 10/31/2023 | 1041 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipeline.validates_depth_bias_for_line_and_point_topologies | Chrome | 11/12/2024 | 663 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome Android: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera Android: Currently supported on ChromeOS, macOS, and Windows only.WebView Android: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipeline.vertex_unorm10-10-10-2 📋 | Chrome | 10/31/2023 | 1041 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipelineAsync 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipelineAsync.dual-source-blending 📋 | Chrome | 10/15/2024 | 691 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipelineAsync.optional_depthcompare_depthwriteenabled | Chrome | 12/5/2023 | 1006 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipelineAsync.optional_entryPoint | Chrome | 1/23/2024 | 957 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome Android: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera Android: Currently supported on ChromeOS, macOS, and Windows only.Samsung Internet: Currently supported on ChromeOS, macOS, and Windows only.WebView Android: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipelineAsync.texture_rgb10a2uint 📋 | Chrome | 10/31/2023 | 1041 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipelineAsync.validates_depth_bias_for_line_and_point_topologies | Chrome | 11/12/2024 | 663 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome Android: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera Android: Currently supported on ChromeOS, macOS, and Windows only.WebView Android: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createRenderPipelineAsync.vertex_unorm10-10-10-2 📋 | Chrome | 10/31/2023 | 1041 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createSampler 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createShaderModule 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createTexture 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.createTexture.texture_rgb10a2uint 📋 | Chrome | 10/31/2023 | 1041 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.destroy 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.features 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.importExternalTexture 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.importExternalTexture.color_space_display-p3 | Chrome | 1/23/2024 | 957 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.importExternalTexture.videoframe_source | Chrome | 8/15/2023 | 1118 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.limits 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.lost 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.popErrorScope 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.pushErrorScope 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.queue 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDevice.uncapturederror_event 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDeviceLostInfo 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDeviceLostInfo.message 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUDeviceLostInfo.reason 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUError 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUError.message 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUExternalTexture 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUExternalTexture.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUInternalError 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUInternalError.GPUInternalError 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUOutOfMemoryError 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUOutOfMemoryError.GPUOutOfMemoryError 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUPipelineError 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUPipelineError.GPUPipelineError 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUPipelineError.GPUPipelineError.message_optional | Chrome | 5/2/2023 | 1223 | |
| api.GPUPipelineError.reason 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUPipelineLayout 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUPipelineLayout.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQuerySet 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQuerySet.count 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQuerySet.destroy 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQuerySet.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQuerySet.type 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQuerySet.type.timestamp 📋 | Chrome | 1/23/2024 | 957 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQueue 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQueue.copyExternalImageToTexture 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQueue.copyExternalImageToTexture.htmlimageelement_imagedata_source | Chrome | 10/10/2023 | 1062 | |
| api.GPUQueue.copyExternalImageToTexture.videoframe_source | Chrome | 8/15/2023 | 1118 | |
| api.GPUQueue.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQueue.onSubmittedWorkDone 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQueue.submit 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQueue.submit.validates_command_buffer_uniqueness | Chrome | 6/11/2024 | 817 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome Android: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera Android: Currently supported on ChromeOS, macOS, and Windows only.WebView Android: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQueue.writeBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUQueue.writeTexture 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundle 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundle.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.draw 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.drawIndexed 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.drawIndexedIndirect 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.drawIndirect 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.finish 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.insertDebugMarker 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.popDebugGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.pushDebugGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.setBindGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.setBindGroup.unset_bind_group | Chrome | 9/12/2023 | 1090 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.setIndexBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.setPipeline 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.setVertexBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderBundleEncoder.setVertexBuffer.unset_vertex_buffer | Chrome | 9/12/2023 | 1090 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.beginOcclusionQuery 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.draw 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.drawIndexed 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.drawIndexedIndirect 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.drawIndirect 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.end 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.endOcclusionQuery 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.executeBundles 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.insertDebugMarker 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.popDebugGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.pushDebugGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.setBindGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.setBindGroup.unset_bind_group | Chrome | 9/12/2023 | 1090 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.setBlendConstant 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.setIndexBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.setPipeline 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.setScissorRect 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.setStencilReference 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.setVertexBuffer 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.setVertexBuffer.unset_vertex_buffer | Chrome | 9/12/2023 | 1090 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.setViewport 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPassEncoder.writeTimestamp | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPipeline 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPipeline.getBindGroupLayout 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPURenderPipeline.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSampler 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSampler.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUShaderModule 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUShaderModule.getCompilationInfo 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUShaderModule.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedFeatures 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedFeatures.@@iterator 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.entries 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.feature_bgra8unorm-storage 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.feature_clip-distances 📋 | Chrome | 11/12/2024 | 663 | |
| api.GPUSupportedFeatures.feature_depth-clip-control 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.feature_depth32float-stencil8 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.feature_dual-source-blending 📋 | Chrome | 10/15/2024 | 691 | |
| api.GPUSupportedFeatures.feature_float32-filterable 📋 | Chrome | 10/31/2023 | 1041 | |
| api.GPUSupportedFeatures.feature_indirect-first-instance 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.feature_rg11b10ufloat-renderable 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.feature_shader-f16 📋 | Chrome | 12/5/2023 | 1006 | |
| api.GPUSupportedFeatures.feature_texture-compression-astc 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.feature_texture-compression-bc 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.feature_texture-compression-etc2 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.feature_timestamp-query 📋 | Chrome | 1/23/2024 | 957 | |
| api.GPUSupportedFeatures.forEach 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.has 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.keys 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.size 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedFeatures.values 📋 | Chrome | 5/2/2023 | 1223 | |
| api.GPUSupportedLimits 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxBindGroups 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxBindGroupsPlusVertexBuffers 📋 | Chrome | 12/5/2023 | 1006 | |
| api.GPUSupportedLimits.maxBindingsPerBindGroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxBufferSize 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxColorAttachmentBytesPerSample 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxColorAttachments 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxComputeInvocationsPerWorkgroup 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxComputeWorkgroupSizeX 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxComputeWorkgroupSizeY 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxComputeWorkgroupSizeZ 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxComputeWorkgroupStorageSize 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxComputeWorkgroupsPerDimension 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxDynamicStorageBuffersPerPipelineLayout 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxDynamicUniformBuffersPerPipelineLayout 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxInterStageShaderComponents | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxInterStageShaderVariables 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxSampledTexturesPerShaderStage 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxSamplersPerShaderStage 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxStorageBufferBindingSize 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxStorageBuffersPerShaderStage 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxStorageTexturesPerShaderStage 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxTextureArrayLayers 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxTextureDimension1D 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxTextureDimension2D 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxTextureDimension3D 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxUniformBufferBindingSize 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxUniformBuffersPerShaderStage 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxVertexAttributes 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxVertexBufferArrayStride 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.maxVertexBuffers 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.minStorageBufferOffsetAlignment 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUSupportedLimits.minUniformBufferOffsetAlignment 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.createView 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.createView.texture_rgb10a2uint 📋 | Chrome | 10/31/2023 | 1041 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.depthOrArrayLayers 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.destroy 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.dimension 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.format 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.format.texture_rgb10a2uint 📋 | Chrome | 10/31/2023 | 1041 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.height 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.mipLevelCount 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.sampleCount 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.usage 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTexture.width 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTextureView 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUTextureView.label 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUUncapturedErrorEvent 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUUncapturedErrorEvent.GPUUncapturedErrorEvent 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUUncapturedErrorEvent.error 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUValidationError 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.GPUValidationError.GPUValidationError 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.Gamepad.displayId | Firefox | 3/8/2022 | 1643 | Chrome Android: Currently supported only by Google Daydream.Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Quest Browser: Currently supported only by Google Daydream.Opera Android: Currently supported only by Google Daydream.Samsung Internet: Currently supported only by Google Daydream. |
| api.Gamepad.hand 📋 | Firefox | 8/8/2017 | 3316 | |
| api.Gamepad.hapticActuators 📋 | Firefox | 8/8/2017 | 3316 | |
| api.Gamepad.pose 📋 | Firefox | 8/8/2017 | 3316 | |
| api.Gamepad.secure_context_required | Edge | 10/9/2020 | 2158 | |
| api.Gamepad.vibrationActuator 📋 | Chrome | 7/24/2018 | 2966 | |
| api.GamepadButton.secure_context_required | Edge | 10/9/2020 | 2158 | |
| api.GamepadButton.touched 📋 | Edge | 4/5/2017 | 3441 | |
| api.GamepadEvent.secure_context_required | Edge | 10/9/2020 | 2158 | |
| api.GamepadHapticActuator 📋 | Edge | 4/5/2017 | 3441 | |
| api.GamepadHapticActuator.canPlayEffectType | Safari | 3/27/2023 | 1259 | |
| api.GamepadHapticActuator.effects 📋 | Chrome | 6/11/2024 | 817 | |
| api.GamepadHapticActuator.effects.type_trigger-rumble 📋 | Chrome | 6/11/2024 | 817 | |
| api.GamepadHapticActuator.playEffect 📋 | Edge | 4/5/2017 | 3441 | |
| api.GamepadHapticActuator.playEffect.params_leftTrigger_parameter 📋 | Chrome | 6/11/2024 | 817 | |
| api.GamepadHapticActuator.playEffect.params_rightTrigger_parameter 📋 | Chrome | 6/11/2024 | 817 | |
| api.GamepadHapticActuator.playEffect.type_trigger-rumble 📋 | Chrome | 6/11/2024 | 817 | |
| api.GamepadHapticActuator.pulse 📋 | Firefox | 8/8/2017 | 3316 | |
| api.GamepadHapticActuator.reset 📋 | Edge | 4/5/2017 | 3441 | |
| api.GamepadHapticActuator.secure_context_required | Edge | 10/9/2020 | 2158 | |
| api.GamepadHapticActuator.type | Edge | 4/5/2017 | 3441 | |
| api.GamepadPose 📋 | Firefox | 8/8/2017 | 3316 | |
| api.GamepadPose.angularAcceleration 📋 | Firefox | 8/8/2017 | 3316 | |
| api.GamepadPose.angularVelocity 📋 | Firefox | 8/8/2017 | 3316 | |
| api.GamepadPose.hasOrientation 📋 | Firefox | 8/8/2017 | 3316 | |
| api.GamepadPose.hasPosition 📋 | Firefox | 8/8/2017 | 3316 | |
| api.GamepadPose.linearAcceleration 📋 | Firefox | 8/8/2017 | 3316 | |
| api.GamepadPose.linearVelocity 📋 | Firefox | 8/8/2017 | 3316 | |
| api.GamepadPose.orientation 📋 | Firefox | 8/8/2017 | 3316 | |
| api.GamepadPose.position 📋 | Firefox | 8/8/2017 | 3316 | |
| api.GamepadPose.secure_context_required | Firefox | 8/10/2021 | 1853 | |
| api.GestureEvent | Safari on iOS | 7/11/2008 | 6631 | |
| api.GestureEvent.altKey | Safari on iOS | 9/16/2015 | 4008 | |
| api.GestureEvent.clientX | Safari on iOS | 7/11/2008 | 6631 | |
| api.GestureEvent.clientY | Safari on iOS | 7/11/2008 | 6631 | |
| api.GestureEvent.ctrlKey | Safari on iOS | 9/16/2015 | 4008 | |
| api.GestureEvent.initGestureEvent | Safari on iOS | 7/11/2008 | 6631 | |
| api.GestureEvent.metaKey | Safari on iOS | 9/16/2015 | 4008 | |
| api.GestureEvent.rotation | Safari on iOS | 7/11/2008 | 6631 | |
| api.GestureEvent.scale | Safari on iOS | 7/11/2008 | 6631 | |
| api.GestureEvent.screenX | Safari on iOS | 7/11/2008 | 6631 | |
| api.GestureEvent.screenY | Safari on iOS | 7/11/2008 | 6631 | |
| api.GestureEvent.shiftKey | Safari on iOS | 9/16/2015 | 4008 | |
| api.GestureEvent.target | Safari on iOS | 9/16/2015 | 4008 | |
| api.GravitySensor 📋 | Chrome | 5/25/2021 | 1930 | |
| api.GravitySensor.GravitySensor 📋 | Chrome | 5/25/2021 | 1930 | |
| api.Gyroscope 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Gyroscope.Gyroscope 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Gyroscope.x 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Gyroscope.y 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Gyroscope.z 📋 | Chrome | 5/29/2018 | 3022 | |
| api.HID 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HID.connect_event 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HID.disconnect_event 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HID.getDevices 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HID.requestDevice 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HID.worker_support | Chrome | 11/12/2024 | 663 | Chrome: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Chrome: WebExtension service workers only.Edge: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Edge: WebExtension service workers only.Opera: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Opera: WebExtension service workers only. |
| api.HIDConnectionEvent 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDConnectionEvent.HIDConnectionEvent 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDConnectionEvent.device 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDConnectionEvent.worker_support | Chrome | 11/12/2024 | 663 | Chrome: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Chrome: WebExtension service workers only.Edge: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Edge: WebExtension service workers only.Opera: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Opera: WebExtension service workers only. |
| api.HIDDevice 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.close 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.collections 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.forget 📋 | Chrome | 3/29/2022 | 1622 | |
| api.HIDDevice.inputreport_event 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.open 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.opened 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.productId 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.productName 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.receiveFeatureReport 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.sendFeatureReport 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.sendReport 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.vendorId 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDDevice.worker_support | Chrome | 11/12/2024 | 663 | Chrome: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Chrome: WebExtension service workers only.Edge: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Edge: WebExtension service workers only.Opera: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Opera: WebExtension service workers only. |
| api.HIDInputReportEvent 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDInputReportEvent.data 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDInputReportEvent.device 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDInputReportEvent.reportId 📋 | Chrome | 3/2/2021 | 2014 | |
| api.HIDInputReportEvent.worker_support | Chrome | 11/12/2024 | 663 | Chrome: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Chrome: WebExtension service workers only.Edge: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Edge: WebExtension service workers only.Opera: Dedicated workers and WebExtension service workers, not shared workers and non-WebExtension service workers.Opera: WebExtension service workers only. |
| api.HMDVRDevice | Firefox | 7/2/2015 | 4084 | |
| api.HMDVRDevice.getEyeParameters | Firefox | 7/2/2015 | 4084 | |
| api.HMDVRDevice.setFieldOfView | Firefox | 7/2/2015 | 4084 | |
| api.HTMLAnchorElement.attributionSourceId 📋 | Safari | 3/14/2022 | 1637 | |
| api.HTMLAnchorElement.attributionSrc 📋 | Chrome | 5/14/2024 | 845 | |
| api.HTMLAnchorElement.hrefTranslate | Chrome | 4/7/2020 | 2343 | |
| api.HTMLAnchorElement.referrerPolicy.no-referrer-when-downgrade | Chrome | 7/20/2016 | 3700 | |
| api.HTMLAnchorElement.referrerPolicy.origin-when-cross-origin | Chrome | 7/20/2016 | 3700 | |
| api.HTMLAnchorElement.referrerPolicy.unsafe-url | Chrome | 7/20/2016 | 3700 | |
| api.HTMLAreaElement.attributionSrc 📋 | Chrome | 2/4/2025 | 579 | |
| api.HTMLAreaElement.referrerPolicy.no-referrer-when-downgrade | Chrome | 7/20/2016 | 3700 | |
| api.HTMLAreaElement.referrerPolicy.origin-when-cross-origin | Chrome | 7/20/2016 | 3700 | |
| api.HTMLAreaElement.referrerPolicy.unsafe-url | Chrome | 7/20/2016 | 3700 | |
| api.HTMLBaseElement.href.forbid_data_javascript_urls | Safari | 12/11/2023 | 1000 | |
| api.HTMLCanvasElement.contextlost_event 📋 | Chrome | 2/1/2022 | 1678 | |
| api.HTMLCanvasElement.contextrestored_event 📋 | Chrome | 2/1/2022 | 1678 | |
| api.HTMLCanvasElement.getContext.2d_context.options_alpha_parameter 📋 | Chrome | 1/14/2014 | 4618 | |
| api.HTMLCanvasElement.getContext.2d_context.options_colorSpace_parameter 📋 | Chrome | 7/20/2021 | 1874 | |
| api.HTMLCanvasElement.getContext.2d_context.options_desynchronized_parameter 📋 | Chrome Android | 6/4/2019 | 2651 | Chrome: ChromeOS and WindowsChrome: ChromeOS only |
| api.HTMLCanvasElement.getContext.bitmaprenderer_context.options_alpha_parameter 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| api.HTMLCanvasElement.getContext.webgl2_context.options_desynchronized_parameter 📋 | Chrome Android | 6/4/2019 | 2651 | Chrome: ChromeOS and WindowsChrome: ChromeOS only |
| api.HTMLCanvasElement.getContext.webgl_context.options_desynchronized_parameter 📋 | Chrome Android | 6/4/2019 | 2651 | Chrome: ChromeOS and WindowsChrome: ChromeOS only |
| api.HTMLCanvasElement.getContext.webgpu_context 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.HTMLCanvasElement.mozOpaque | Firefox | 6/30/2009 | 6277 | |
| api.HTMLCanvasElement.mozPrintCallback | Firefox | 1/8/2013 | 4989 | |
| api.HTMLCanvasElement.toBlob.type_parameter_webp | Chrome | 4/13/2016 | 3798 | |
| api.HTMLCanvasElement.toDataURL.type_parameter_webp | Chrome | 2/8/2012 | 5324 | |
| api.HTMLElement.accessKeyLabel 📋 | Firefox | 11/8/2011 | 5416 | |
| api.HTMLElement.attributeStyleMap 📋 | Chrome | 4/17/2018 | 3064 | |
| api.HTMLElement.autocapitalize 📋 | Safari on iOS | 3/27/2017 | 3450 | Chrome: Supported on HTMLInputElement and HTMLTextAreaElement only.Chrome Android: Supported on HTMLInputElement and HTMLTextAreaElement only.Opera: Supported on HTMLInputElement and HTMLTextAreaElement only.Opera Android: Supported on HTMLInputElement and HTMLTextAreaElement only.Safari on iOS: Supported on HTMLFormElement, HTMLInputElement, and HTMLTextAreaElement only.Samsung Internet: Supported on HTMLInputElement and HTMLTextAreaElement only.WebView Android: Supported on HTMLInputElement and HTMLTextAreaElement only.WebView on iOS: Supported on HTMLFormElement, HTMLInputElement, and HTMLTextAreaElement only. |
| api.HTMLElement.autocorrect 📋 | Safari | 4/26/2021 | 1959 | |
| api.HTMLElement.beforetoggle_event.dialog_elements 📋 | Firefox | 11/26/2024 | 649 | |
| api.HTMLElement.contentEditable.plaintext-only | Safari | 7/20/2011 | 5527 | |
| api.HTMLElement.dragexit_event | Safari | 3/18/2008 | 6746 | |
| api.HTMLElement.editContext 📋 | Chrome | 1/23/2024 | 957 | |
| api.HTMLElement.focus.options_focusVisible_parameter | Firefox | 8/23/2022 | 1475 | |
| api.HTMLElement.focus.options_preventScroll_parameter | Chrome | 1/23/2018 | 3148 | |
| api.HTMLElement.inert.ignores_find_in_page 📋 | Firefox | 11/21/2023 | 1020 | |
| api.HTMLElement.toggle_event.dialog_elements 📋 | Firefox | 11/26/2024 | 649 | |
| api.HTMLElement.virtualKeyboardPolicy 📋 | Chrome | 9/21/2021 | 1811 | |
| api.HTMLElement.writingSuggestions 📋 | Chrome | 4/16/2024 | 873 | |
| api.HTMLFencedFrameElement 📋 | Chrome | 7/18/2023 | 1146 | |
| api.HTMLFencedFrameElement.allow 📋 | Chrome | 7/18/2023 | 1146 | |
| api.HTMLFencedFrameElement.config 📋 | Chrome | 7/18/2023 | 1146 | |
| api.HTMLFencedFrameElement.height 📋 | Chrome | 7/18/2023 | 1146 | |
| api.HTMLFencedFrameElement.sandbox 📋 | Chrome | 7/18/2023 | 1146 | |
| api.HTMLFencedFrameElement.width 📋 | Chrome | 7/18/2023 | 1146 | |
| api.HTMLIFrameElement.adAuctionHeaders 📋 | Chrome | 2/20/2024 | 929 | |
| api.HTMLIFrameElement.allowPaymentRequest | Chrome Android | 3/16/2017 | 3461 | |
| api.HTMLIFrameElement.browsingTopics | Chrome | 7/18/2023 | 1146 | |
| api.HTMLIFrameElement.credentialless 📋 | Chrome | 2/7/2023 | 1307 | |
| api.HTMLIFrameElement.csp 📋 | Chrome | 9/5/2017 | 3288 | |
| api.HTMLIFrameElement.featurePolicy | Chrome | 4/23/2019 | 2693 | |
| api.HTMLIFrameElement.privateToken 📋 | Chrome | 9/12/2023 | 1090 | |
| api.HTMLIFrameElement.referrerPolicy.no-referrer-when-downgrade | Chrome | 7/20/2016 | 3700 | |
| api.HTMLIFrameElement.referrerPolicy.origin-when-cross-origin | Chrome | 7/20/2016 | 3700 | |
| api.HTMLIFrameElement.referrerPolicy.unsafe-url | Chrome | 7/20/2016 | 3700 | |
| api.HTMLIFrameElement.sharedStorageWritable 📋 | Chrome | 4/16/2024 | 873 | |
| api.HTMLImageElement.attributionSrc 📋 | Chrome | 5/14/2024 | 845 | |
| api.HTMLImageElement.referrerPolicy.no-referrer-when-downgrade | Chrome | 7/20/2016 | 3700 | |
| api.HTMLImageElement.referrerPolicy.origin-when-cross-origin | Chrome | 7/20/2016 | 3700 | |
| api.HTMLImageElement.referrerPolicy.unsafe-url | Chrome | 7/20/2016 | 3700 | |
| api.HTMLImageElement.sharedStorageWritable 📋 | Chrome | 4/16/2024 | 873 | |
| api.HTMLImageElement.sizes.auto 📋 | Chrome | 6/11/2024 | 817 | |
| api.HTMLInputElement.capture 📋 | Chrome Android | 2/27/2013 | 4939 | |
| api.HTMLInputElement.incremental | Chrome | 3/8/2011 | 5661 | |
| api.HTMLInputElement.search_event | Chrome | 12/11/2008 | 6478 | |
| api.HTMLInputElement.selectionchange_event 📋 | Firefox | 9/7/2021 | 1825 | Chrome: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Chrome Android: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Edge: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Quest Browser: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Opera: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Opera Android: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.Samsung Internet: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements.WebView Android: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <input> elements. |
| api.HTMLInputElement.showPicker.autocomplete_input | Chrome | 3/1/2022 | 1650 | |
| api.HTMLInputElement.showPicker.color_input | Chrome | 3/1/2022 | 1650 | |
| api.HTMLInputElement.showPicker.datalist_input | Chrome | 3/1/2022 | 1650 | |
| api.HTMLInputElement.showPicker.date_input | Chrome | 3/1/2022 | 1650 | |
| api.HTMLInputElement.showPicker.datetime_local_input | Chrome | 3/1/2022 | 1650 | |
| api.HTMLInputElement.showPicker.month_input | Chrome | 3/1/2022 | 1650 | |
| api.HTMLInputElement.showPicker.time_input | Chrome | 3/1/2022 | 1650 | |
| api.HTMLInputElement.showPicker.week_input | Chrome | 3/1/2022 | 1650 | |
| api.HTMLInputElement.webkitdirectory 📋 | Chrome | 10/19/2010 | 5801 | Chrome Android: In Chrome for Android 131, if a user selects a directory, the browser crashes (see bug 376834374).Chrome Android: The property reflects the attribute, but users cannot choose a directory, only individual files (see bug 40248532.Quest Browser: The property reflects the attribute, but users cannot choose a directory, only individual files (see bug 40248532.Opera Android: In Chrome for Android 131, if a user selects a directory, the browser crashes (see bug 376834374).Opera Android: The property reflects the attribute, but users cannot choose a directory, only individual files (see bug 40248532.Safari on iOS: The property can be set, but has no effect.Samsung Internet: The property reflects the attribute, but users cannot choose a directory, only individual files (see bug 40248532.WebView Android: In Chrome for Android 131, if a user selects a directory, the browser crashes (see bug 376834374).WebView Android: The property reflects the attribute, but users cannot choose a directory, only individual files (see bug 40248532.WebView on iOS: The property can be set, but has no effect. |
| api.HTMLLinkElement.blocking 📋 | Edge | 9/1/2022 | 1466 | |
| api.HTMLLinkElement.referrerPolicy.no-referrer-when-downgrade | Chrome | 4/19/2017 | 3427 | |
| api.HTMLLinkElement.referrerPolicy.origin-when-cross-origin | Chrome | 4/19/2017 | 3427 | |
| api.HTMLLinkElement.referrerPolicy.unsafe-url | Chrome | 4/19/2017 | 3427 | |
| api.HTMLMediaElement.captureStream 📋 | Firefox | 8/28/2012 | 5122 | |
| api.HTMLMediaElement.controller | Safari | 7/25/2012 | 5156 | |
| api.HTMLMediaElement.controlsList 📋 | Chrome | 4/19/2017 | 3427 | |
| api.HTMLMediaElement.disableRemotePlayback 📋 | Chrome Android | 2/1/2017 | 3504 | |
| api.HTMLMediaElement.fastSeek 📋 | Firefox | 7/22/2014 | 4429 | |
| api.HTMLMediaElement.getStartDate 📋 | Safari on iOS | 9/16/2015 | 4008 | |
| api.HTMLMediaElement.mediaGroup | Safari | 7/25/2012 | 5156 | |
| api.HTMLMediaElement.mozAudioCaptured | Firefox | 8/28/2012 | 5122 | |
| api.HTMLMediaElement.mozCaptureStreamUntilEnded | Firefox | 8/28/2012 | 5122 | |
| api.HTMLMediaElement.mozFragmentEnd | Firefox | 12/20/2011 | 5374 | |
| api.HTMLMediaElement.mozGetMetadata | Firefox | 11/20/2012 | 5038 | |
| api.HTMLMediaElement.remote 📋 | Chrome Android | 2/1/2017 | 3504 | |
| api.HTMLMediaElement.setSinkId 📋 | Chrome | 3/2/2016 | 3840 | Chrome Android: Not available due to a limitation in Android, see bug 41276355.Firefox for Android: Not available due to a limitation in Android, see bug 1473346.Quest Browser: Not available due to a limitation in Android, see bug 41276355.Opera Android: Not available due to a limitation in Android, see bug 41276355.Samsung Internet: Not available due to a limitation in Android, see bug 41276355.WebView Android: Not available due to a limitation in Android, see bug 41276355. |
| api.HTMLMediaElement.sinkId 📋 | Chrome | 3/2/2016 | 3840 | Chrome Android: Not available due to a limitation in Android, see bug 41276355.Firefox for Android: Not available due to a limitation in Android, see bug 1473346.Quest Browser: Not available due to a limitation in Android, see bug 41276355.Opera Android: Not available due to a limitation in Android, see bug 41276355.Samsung Internet: Not available due to a limitation in Android, see bug 41276355.WebView Android: Not available due to a limitation in Android, see bug 41276355. |
| api.HTMLOutputElement.HTMLOutputElement 📋 | Safari | 9/20/2021 | 1812 | |
| api.HTMLScriptElement.attributionSrc 📋 | Chrome | 5/14/2024 | 845 | |
| api.HTMLScriptElement.blocking 📋 | Edge | 9/1/2022 | 1466 | |
| api.HTMLScriptElement.referrerPolicy.no-referrer-when-downgrade | Chrome | 10/16/2018 | 2882 | |
| api.HTMLScriptElement.referrerPolicy.origin-when-cross-origin | Chrome | 10/16/2018 | 2882 | |
| api.HTMLScriptElement.referrerPolicy.unsafe-url | Chrome | 10/16/2018 | 2882 | |
| api.HTMLSelectElement.showPicker 📋 | Chrome | 1/23/2024 | 957 | |
| api.HTMLStyleElement.blocking 📋 | Edge | 9/1/2022 | 1466 | |
| api.HTMLTextAreaElement.selectionchange_event 📋 | Firefox | 9/7/2021 | 1825 | Chrome: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Chrome Android: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Edge: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Quest Browser: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Opera: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Opera Android: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.Samsung Internet: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements.WebView Android: A selectionchange event is fired on Document, see Document's selectionchange event. See bug 40840956 for firing the event on <textarea> elements. |
| api.HTMLVideoElement.enterpictureinpicture_event 📋 | Chrome | 9/4/2018 | 2924 | |
| api.HTMLVideoElement.leavepictureinpicture_event 📋 | Chrome | 9/4/2018 | 2924 | |
| api.HTMLVideoElement.mozDecodedFrames | Firefox | 6/21/2011 | 5556 | |
| api.HTMLVideoElement.mozFrameDelay | Firefox | 6/21/2011 | 5556 | |
| api.HTMLVideoElement.mozHasAudio | Firefox | 8/28/2012 | 5122 | |
| api.HTMLVideoElement.mozPaintedFrames | Firefox | 6/21/2011 | 5556 | |
| api.HTMLVideoElement.mozParsedFrames | Firefox | 6/21/2011 | 5556 | |
| api.HTMLVideoElement.mozPresentedFrames | Firefox | 6/21/2011 | 5556 | |
| api.HTMLVideoElement.playsInline 📋 | Safari on iOS | 9/13/2016 | 3645 | |
| api.HTMLVideoElement.requestPictureInPicture 📋 | Chrome | 9/4/2018 | 2924 | |
| api.Highlight 📋 | Edge | 9/1/2022 | 1466 | |
| api.Highlight.@@iterator | Edge | 9/1/2022 | 1466 | |
| api.Highlight.Highlight 📋 | Edge | 9/1/2022 | 1466 | |
| api.Highlight.add | Edge | 9/1/2022 | 1466 | |
| api.Highlight.clear | Edge | 9/1/2022 | 1466 | |
| api.Highlight.delete | Edge | 9/1/2022 | 1466 | |
| api.Highlight.entries | Edge | 9/1/2022 | 1466 | |
| api.Highlight.forEach | Edge | 9/1/2022 | 1466 | |
| api.Highlight.has | Edge | 9/1/2022 | 1466 | |
| api.Highlight.keys | Edge | 9/1/2022 | 1466 | |
| api.Highlight.priority 📋 | Edge | 9/1/2022 | 1466 | |
| api.Highlight.size | Edge | 9/1/2022 | 1466 | |
| api.Highlight.type 📋 | Edge | 9/1/2022 | 1466 | |
| api.Highlight.values | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry 📋 | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.@@iterator | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.clear | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.delete | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.entries | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.forEach | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.get | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.has | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.keys | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.set | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.size | Edge | 9/1/2022 | 1466 | |
| api.HighlightRegistry.values | Edge | 9/1/2022 | 1466 | |
| api.History.pushState.unused_parameter | Safari | 6/7/2010 | 5935 | Safari: This feature may be removed, see bug 223190.Safari on iOS: This feature may be removed, see bug 223190.WebView on iOS: This feature may be removed, see bug 223190. |
| api.History.replaceState.unused_parameter | Safari | 6/7/2010 | 5935 | Safari: This feature may be removed, see bug 223190.Safari on iOS: This feature may be removed, see bug 223190.WebView on iOS: This feature may be removed, see bug 223190. |
| api.IDBDatabase.transaction.mode_parameter_readwriteflush | Firefox | 8/11/2015 | 4044 | |
| api.IDBIndex.isAutoLocale | Firefox | 12/15/2015 | 3918 | |
| api.IDBIndex.locale | Firefox | 12/15/2015 | 3918 | |
| api.IDBObjectStore.createIndex.options_locale_parameter | Firefox | 12/15/2015 | 3918 | |
| api.IDBRequest.error.DOMException | Chrome | 1/20/2016 | 3882 | |
| api.IDBRequest.error.transient_unrecoverable_read_errors 📋 | Firefox | 7/17/2012 | 5164 | Chrome: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.Chrome: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.Chrome Android: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.Chrome Android: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.Opera: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.Opera: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.Opera Android: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.Opera Android: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors.WebView Android: Returns a NotReadableError exception for unrecoverable read errors, and an UnknownError for transient read errors.WebView Android: Returns a NotFoundError exception for unrecoverable read errors, and a DataError for transient read errors. |
| api.IDBTransaction.error.DOMException | Chrome | 1/20/2016 | 3882 | |
| api.IdentityCredential 📋 | Chrome | 11/29/2022 | 1377 | |
| api.IdentityCredential.disconnect_static 📋 | Chrome | 2/20/2024 | 929 | |
| api.IdentityCredential.isAutoSelected | Chrome | 12/5/2023 | 1006 | |
| api.IdentityCredential.token 📋 | Chrome | 11/29/2022 | 1377 | |
| api.IdentityProvider 📋 | Chrome | 8/15/2023 | 1118 | |
| api.IdentityProvider.close_static 📋 | Chrome | 12/5/2023 | 1006 | |
| api.IdentityProvider.getUserInfo_static 📋 | Chrome | 8/15/2023 | 1118 | |
| api.IdentityProvider.resolve_static 📋 | Chrome | 1/14/2025 | 600 | |
| api.IdleDeadline 📋 | Chrome | 12/1/2015 | 3932 | |
| api.IdleDeadline.didTimeout 📋 | Chrome | 12/1/2015 | 3932 | |
| api.IdleDeadline.timeRemaining 📋 | Chrome | 12/1/2015 | 3932 | |
| api.IdleDetector 📋 | Chrome | 9/21/2021 | 1811 | |
| api.IdleDetector.IdleDetector 📋 | Chrome | 9/21/2021 | 1811 | |
| api.IdleDetector.change_event 📋 | Chrome | 9/21/2021 | 1811 | |
| api.IdleDetector.requestPermission_static 📋 | Chrome | 9/21/2021 | 1811 | |
| api.IdleDetector.screenState 📋 | Chrome | 9/21/2021 | 1811 | |
| api.IdleDetector.start 📋 | Chrome | 9/21/2021 | 1811 | |
| api.IdleDetector.userState 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageCapture.getPhotoCapabilities 📋 | Chrome | 6/5/2017 | 3380 | |
| api.ImageCapture.getPhotoSettings 📋 | Chrome | 9/5/2017 | 3288 | |
| api.ImageCapture.grabFrame 📋 | Chrome | 6/5/2017 | 3380 | |
| api.ImageData.colorSpace 📋 | Chrome | 7/20/2021 | 1874 | |
| api.ImageDecoder 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageDecoder.ImageDecoder 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageDecoder.close 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageDecoder.complete 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageDecoder.completed 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageDecoder.decode 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageDecoder.isTypeSupported_static 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageDecoder.reset 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageDecoder.tracks 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageDecoder.type 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageTrack 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageTrack.animated 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageTrack.frameCount 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageTrack.repetitionCount 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageTrack.selected 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageTrackList 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageTrackList.length 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageTrackList.ready 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageTrackList.selectedIndex 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ImageTrackList.selectedTrack 📋 | Chrome | 9/21/2021 | 1811 | |
| api.Ink 📋 | Edge | 9/2/2021 | 1830 | |
| api.Ink.requestPresenter 📋 | Edge | 9/2/2021 | 1830 | |
| api.InputDeviceCapabilities 📋 | Chrome | 12/1/2015 | 3932 | |
| api.InputDeviceCapabilities.InputDeviceCapabilities 📋 | Chrome | 12/1/2015 | 3932 | |
| api.InputDeviceCapabilities.firesTouchEvents 📋 | Chrome | 12/1/2015 | 3932 | |
| api.InputDeviceInfo.getCapabilities 📋 | Chrome | 5/29/2018 | 3022 | |
| api.InputEvent.inputType.insertFromPasteAsQuotation | Firefox | 5/21/2019 | 2665 | |
| api.InstallEvent.InstallEvent 📋 | Chrome | 1/21/2015 | 4246 | |
| api.InstallEvent.addRoutes 📋 | Chrome | 3/19/2024 | 901 | |
| api.IntersectionObserver.delay 📋 | Chrome | 4/23/2019 | 2693 | |
| api.IntersectionObserver.scrollMargin | Chrome | 12/5/2023 | 1006 | |
| api.IntersectionObserver.trackVisibility 📋 | Chrome | 4/23/2019 | 2693 | |
| api.IntersectionObserverEntry.IntersectionObserverEntry | Safari | 3/25/2019 | 2722 | |
| api.IntersectionObserverEntry.isVisible 📋 | Chrome | 4/23/2019 | 2693 | |
| api.InterventionReportBody 📋 | Chrome | 9/4/2018 | 2924 | |
| api.InterventionReportBody.columnNumber 📋 | Chrome | 9/4/2018 | 2924 | |
| api.InterventionReportBody.id 📋 | Chrome | 9/4/2018 | 2924 | |
| api.InterventionReportBody.lineNumber 📋 | Chrome | 9/4/2018 | 2924 | |
| api.InterventionReportBody.message 📋 | Chrome | 9/4/2018 | 2924 | |
| api.InterventionReportBody.sourceFile 📋 | Chrome | 9/4/2018 | 2924 | |
| api.InterventionReportBody.toJSON 📋 | Chrome | 9/4/2018 | 2924 | |
| api.KHR_parallel_shader_compile 📋 | Chrome | 7/30/2019 | 2595 | |
| api.Keyboard 📋 | Chrome | 7/24/2018 | 2966 | |
| api.Keyboard.getLayoutMap 📋 | Chrome | 9/4/2018 | 2924 | |
| api.Keyboard.lock 📋 | Chrome | 7/24/2018 | 2966 | |
| api.Keyboard.unlock 📋 | Chrome | 7/24/2018 | 2966 | |
| api.KeyboardEvent.getModifierState.key_parameter_accel | Firefox | 9/2/2014 | 4387 | |
| api.KeyboardEvent.getModifierState.key_parameter_fn | Firefox | 8/28/2012 | 5122 | |
| api.KeyboardEvent.getModifierState.key_parameter_numlock | Firefox | 8/28/2012 | 5122 | |
| api.KeyboardEvent.getModifierState.key_parameter_os | Firefox | 8/28/2012 | 5122 | |
| api.KeyboardEvent.getModifierState.key_parameter_scrolllock | Firefox | 8/28/2012 | 5122 | |
| api.KeyboardEvent.getModifierState.key_parameter_symbol | Chrome | 1/20/2016 | 3882 | |
| api.KeyboardEvent.keyIdentifier | Safari | 2/2/2004 | 8252 | |
| api.KeyboardLayoutMap 📋 | Chrome | 9/4/2018 | 2924 | |
| api.KeyboardLayoutMap.@@iterator | Chrome | 9/4/2018 | 2924 | |
| api.KeyboardLayoutMap.entries | Chrome | 9/4/2018 | 2924 | |
| api.KeyboardLayoutMap.forEach | Chrome | 9/4/2018 | 2924 | |
| api.KeyboardLayoutMap.get | Chrome | 9/4/2018 | 2924 | |
| api.KeyboardLayoutMap.has | Chrome | 9/4/2018 | 2924 | |
| api.KeyboardLayoutMap.keys | Chrome | 9/4/2018 | 2924 | |
| api.KeyboardLayoutMap.size | Chrome | 9/4/2018 | 2924 | |
| api.KeyboardLayoutMap.values | Chrome | 9/4/2018 | 2924 | |
| api.KeyframeEffect.iterationComposite 📋 | Firefox | 8/25/2020 | 2203 | |
| api.LargestContentfulPaint 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LargestContentfulPaint.element 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LargestContentfulPaint.id 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LargestContentfulPaint.loadTime 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LargestContentfulPaint.renderTime 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LargestContentfulPaint.size 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LargestContentfulPaint.toJSON 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LargestContentfulPaint.url 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LaunchParams 📋 | Chrome | 5/24/2022 | 1566 | |
| api.LaunchParams.files 📋 | Chrome | 5/24/2022 | 1566 | |
| api.LaunchParams.targetURL 📋 | Chrome | 2/7/2023 | 1307 | |
| api.LaunchQueue 📋 | Chrome | 5/24/2022 | 1566 | |
| api.LaunchQueue.setConsumer 📋 | Chrome | 5/24/2022 | 1566 | |
| api.LayoutShift 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LayoutShift.hadRecentInput 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LayoutShift.lastInputTime 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LayoutShift.sources 📋 | Edge | 7/16/2020 | 2243 | |
| api.LayoutShift.toJSON 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LayoutShift.value 📋 | Chrome | 9/10/2019 | 2553 | |
| api.LayoutShiftAttribution 📋 | Edge | 7/16/2020 | 2243 | |
| api.LayoutShiftAttribution.currentRect 📋 | Edge | 7/16/2020 | 2243 | |
| api.LayoutShiftAttribution.node 📋 | Edge | 7/16/2020 | 2243 | |
| api.LayoutShiftAttribution.previousRect 📋 | Edge | 7/16/2020 | 2243 | |
| api.LayoutShiftAttribution.toJSON 📋 | Edge | 7/16/2020 | 2243 | |
| api.LinearAccelerationSensor 📋 | Chrome | 5/29/2018 | 3022 | |
| api.LinearAccelerationSensor.LinearAccelerationSensor 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Location.ancestorOrigins 📋 | Chrome | 6/26/2012 | 5185 | Deno: This value is always empty in Deno. |
| api.MIDIAccess 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIAccess.inputs 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIAccess.outputs 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIAccess.statechange_event 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIAccess.sysexEnabled 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIConnectionEvent 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIConnectionEvent.MIDIConnectionEvent 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIConnectionEvent.port 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInput 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInput.midimessage_event 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInputMap 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInputMap.@@iterator | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInputMap.entries | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInputMap.forEach | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInputMap.get | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInputMap.has | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInputMap.keys | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInputMap.size | Chrome | 5/19/2015 | 4128 | |
| api.MIDIInputMap.values | Chrome | 5/19/2015 | 4128 | |
| api.MIDIMessageEvent 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIMessageEvent.MIDIMessageEvent 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIMessageEvent.data 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutput 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutput.clear 📋 | Firefox | 12/13/2022 | 1363 | |
| api.MIDIOutput.send 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutputMap 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutputMap.@@iterator | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutputMap.entries | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutputMap.forEach | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutputMap.get | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutputMap.has | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutputMap.keys | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutputMap.size | Chrome | 5/19/2015 | 4128 | |
| api.MIDIOutputMap.values | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort.close 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort.connection 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort.id 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort.manufacturer 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort.name 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort.open 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort.state 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort.statechange_event 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort.type 📋 | Chrome | 5/19/2015 | 4128 | |
| api.MIDIPort.version 📋 | Chrome | 5/19/2015 | 4128 | |
| api.ML 📋 | Chrome | 4/4/2023 | 1251 | |
| api.ML.createContext 📋 | Chrome | 4/4/2023 | 1251 | |
| api.MLContext 📋 | Chrome | 4/4/2023 | 1251 | |
| api.MLContext.dispatch 📋 | Chrome | 8/20/2024 | 747 | |
| api.MLContext.opSupportLimits 📋 | Chrome | 8/20/2024 | 747 | |
| api.MLGraph 📋 | Chrome | 4/4/2023 | 1251 | |
| api.MLGraphBuilder 📋 | Chrome | 4/4/2023 | 1251 | |
| api.MLGraphBuilder.MLGraphBuilder 📋 | Chrome | 4/4/2023 | 1251 | |
| api.MLGraphBuilder.abs 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.add 📋 | Chrome | 2/20/2024 | 929 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.argMax 📋 | Chrome | 8/20/2024 | 747 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.argMin 📋 | Chrome | 8/20/2024 | 747 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.averagePool2d 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.batchNormalization 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.build 📋 | Chrome | 4/4/2023 | 1251 | |
| api.MLGraphBuilder.cast 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.ceil 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.clamp 📋 | Chrome | 5/14/2024 | 845 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.concat 📋 | Chrome | 5/14/2024 | 845 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.constant 📋 | Chrome | 3/19/2024 | 901 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.conv2d 📋 | Chrome | 5/14/2024 | 845 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.convTranspose2d 📋 | Chrome | 8/20/2024 | 747 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.cos 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.cumulativeSum 📋 | Chrome | 1/14/2025 | 600 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.dequantizeLinear 📋 | Chrome | 2/4/2025 | 579 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.div 📋 | Chrome | 4/16/2024 | 873 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.elu 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.equal 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.erf 📋 | Chrome | 8/20/2024 | 747 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.exp 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.expand 📋 | Chrome | 8/20/2024 | 747 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.floor 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.gather 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.gatherElements 📋 | Chrome | 2/4/2025 | 579 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.gatherND 📋 | Chrome | 1/14/2025 | 600 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.gemm 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.greater 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.greaterOrEqual 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.gru 📋 | Chrome | 2/4/2025 | 579 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.gruCell 📋 | Chrome | 2/4/2025 | 579 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.hardSigmoid 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.hardSwish 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.identity 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.input 📋 | Chrome | 4/16/2024 | 873 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.instanceNormalization 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.l2Pool2d 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.layerNormalization 📋 | Chrome | 9/17/2024 | 719 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.leakyRelu 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.lesser 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.lesserOrEqual 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.linear 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.log 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.logicalAnd 📋 | Chrome | 1/14/2025 | 600 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.logicalNot 📋 | Chrome | 8/20/2024 | 747 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.logicalOr 📋 | Chrome | 1/14/2025 | 600 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.logicalXor 📋 | Chrome | 1/14/2025 | 600 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.lstm 📋 | Chrome | 9/17/2024 | 719 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.lstmCell 📋 | Chrome | 9/17/2024 | 719 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.matmul 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.max 📋 | Chrome | 4/16/2024 | 873 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.maxPool2d 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.min 📋 | Chrome | 4/16/2024 | 873 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.mul 📋 | Chrome | 4/16/2024 | 873 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.neg 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.pad 📋 | Chrome | 9/17/2024 | 719 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.pow 📋 | Chrome | 4/16/2024 | 873 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.prelu 📋 | Chrome | 12/5/2023 | 1006 | Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.quantizeLinear 📋 | Chrome | 2/4/2025 | 579 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.reciprocal 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.reduceL1 📋 | Chrome | 8/20/2024 | 747 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.reduceL2 📋 | Chrome | 8/20/2024 | 747 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.reduceLogSum 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.reduceLogSumExp 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.reduceMax 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.reduceMean 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.reduceMin 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.reduceProduct 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.reduceSum 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.reduceSumSquare 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.relu 📋 | Chrome | 5/14/2024 | 845 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.resample2d 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.reshape 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.scatterElements 📋 | Chrome | 2/4/2025 | 579 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.scatterND 📋 | Chrome | 1/14/2025 | 600 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.sigmoid 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.sign 📋 | Chrome | 10/15/2024 | 691 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.sin 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.slice 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.softmax 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.softplus 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.softsign 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.split 📋 | Chrome | 10/15/2024 | 691 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.sqrt 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.sub 📋 | Chrome | 4/16/2024 | 873 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.tan 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.tanh 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.tile 📋 | Chrome | 11/12/2024 | 663 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.transpose 📋 | Chrome | 5/14/2024 | 845 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux. |
| api.MLGraphBuilder.triangular 📋 | Chrome | 1/14/2025 | 600 | Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLGraphBuilder.where 📋 | Chrome | 6/11/2024 | 817 | Chrome: Supported on CPUs on Windows, ChromeOS and Linux.Chrome: Supported on CPUs, GPUs and NPUs on macOS.Chrome: Supported on GPUs and NPUs on Windows.Edge: Supported on CPUs on Windows, ChromeOS and Linux.Edge: Supported on CPUs, GPUs and NPUs on macOS.Edge: Supported on GPUs and NPUs on Windows.Opera: Supported on CPUs on Windows, ChromeOS and Linux.Opera: Supported on CPUs, GPUs and NPUs on macOS.Opera: Supported on GPUs and NPUs on Windows. |
| api.MLOperand 📋 | Chrome | 4/4/2023 | 1251 | |
| api.MLOperand.MLNumber 📋 | Chrome | 1/14/2025 | 600 | |
| api.Magnetometer 📋 | Chrome | 1/25/2017 | 3511 | |
| api.Magnetometer.Magnetometer 📋 | Chrome | 1/25/2017 | 3511 | |
| api.Magnetometer.x 📋 | Chrome | 1/25/2017 | 3511 | |
| api.Magnetometer.y 📋 | Chrome | 1/25/2017 | 3511 | |
| api.Magnetometer.z 📋 | Chrome | 1/25/2017 | 3511 | |
| api.ManagedMediaSource 📋 | Safari | 9/18/2023 | 1084 | |
| api.ManagedMediaSource.ManagedMediaSource 📋 | Safari | 9/18/2023 | 1084 | |
| api.ManagedMediaSource.endstreaming_event 📋 | Safari | 9/18/2023 | 1084 | |
| api.ManagedMediaSource.startstreaming_event 📋 | Safari | 9/18/2023 | 1084 | |
| api.ManagedMediaSource.streaming 📋 | Safari | 9/18/2023 | 1084 | |
| api.ManagedSourceBuffer 📋 | Safari | 9/18/2023 | 1084 | |
| api.ManagedSourceBuffer.bufferedchange_event 📋 | Safari | 9/18/2023 | 1084 | |
| api.MathMLElement.attributeStyleMap 📋 | Chrome | 1/10/2023 | 1335 | |
| api.MathMLElement.nonce 📋 | Safari | 3/14/2022 | 1637 | |
| api.MediaCapabilities.decodingInfo.configuration_keySystemConfiguration_parameter 📋 | Chrome | 2/4/2020 | 2406 | |
| api.MediaController | Safari | 7/25/2012 | 5156 | |
| api.MediaController.MediaController | Safari | 7/25/2012 | 5156 | |
| api.MediaController.buffered | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.currentTime | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.defaultPlaybackRate | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.duration | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.muted | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.pause | Safari | 7/25/2012 | 5156 | |
| api.MediaController.paused | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.play | Safari | 7/25/2012 | 5156 | |
| api.MediaController.playbackRate | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.playbackState | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.played | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.seekable | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.unpause | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaController.volume | Safari on iOS | 9/18/2013 | 4736 | |
| api.MediaDevices.devicechange_event 📋 | Edge | 7/29/2015 | 4057 | |
| api.MediaDevices.getDisplayMedia 📋 | Chrome | 1/29/2019 | 2777 | Chrome Android: From Chrome Android 72 to 88, this method was exposed, but always failed with NotAllowedError. See bug 40418135.Edge: Available as a member of Navigator instead of MediaDevices.Firefox: Since Firefox 33 you can capture screen data using getUserMedia(), with a video constraint called mediaSource. Before 52 it relied on a client-configurable list of allowed sites.Firefox for Android: From Firefox Android 66 to 79, this method was exposed, but always failed with NotAllowedError.Quest Browser: From Quest Browser 6.0 to 88, this method was exposed, but always failed with NotAllowedError. See bug 40418135.Opera Android: From Opera Android 51 to 88, this method was exposed, but always failed with NotAllowedError. See bug 40418135.Samsung Internet: From Samsung Internet 11.0 to 88, this method was exposed, but always failed with NotAllowedError. See bug 40418135.WebView Android: From WebView Android 72 to 88, this method was exposed, but always failed with NotAllowedError. See bug 40418135. |
| api.MediaDevices.getDisplayMedia.audio_capture_support | Chrome | 4/23/2019 | 2693 | Chrome: On Windows and ChromeOS, the entire system audio can be captured when sharing an entire screen. On Linux and macOS, only the audio of a tab can be captured.Edge: On Windows and ChromeOS, the entire system audio can be captured when sharing an entire screen. On Linux and macOS, only the audio of a tab can be captured.Opera: On Windows and ChromeOS, the entire system audio can be captured when sharing an entire screen. On Linux and macOS, only the audio of a tab can be captured. |
| api.MediaDevices.getDisplayMedia.controller_option 📋 | Chrome | 1/10/2023 | 1335 | |
| api.MediaDevices.getDisplayMedia.monitorTypeSurfaces_option 📋 | Chrome | 10/31/2023 | 1041 | Chrome: Default value = includeEdge: Default value = includeOpera: Default value = include |
| api.MediaDevices.getDisplayMedia.preferCurrentTab_option | Chrome | 9/21/2021 | 1811 | Chrome: Default value = falseEdge: Default value = falseOpera: Default value = false |
| api.MediaDevices.getDisplayMedia.selfBrowserSurface_option 📋 | Chrome | 4/4/2023 | 1251 | Chrome: Default value = excludeChrome: Default value = includeEdge: Default value = excludeEdge: Default value = includeOpera: Default value = excludeOpera: Default value = include |
| api.MediaDevices.getDisplayMedia.surfaceSwitching_option 📋 | Chrome | 10/25/2022 | 1412 | Chrome: Default value = excludeEdge: Default value = excludeOpera: Default value = exclude |
| api.MediaDevices.getDisplayMedia.systemAudio_option 📋 | Edge | 9/1/2022 | 1466 | Chrome: Default value = includeEdge: Default value = includeOpera: Default value = include |
| api.MediaDevices.selectAudioOutput 📋 | Firefox | 8/1/2023 | 1132 | |
| api.MediaDevices.setCaptureHandleConfig 📋 | Chrome | 5/24/2022 | 1566 | |
| api.MediaKeys.getStatusForPolicy 📋 | Chrome | 3/12/2019 | 2735 | |
| api.MediaMetadata.chapterInfo 📋 | Chrome | 7/23/2024 | 775 | |
| api.MediaRecorder.audioBitrateMode 📋 | Chrome | 3/2/2021 | 2014 | |
| api.MediaRecorderErrorEvent | Firefox | 11/14/2017 | 3218 | |
| api.MediaRecorderErrorEvent.MediaRecorderErrorEvent | Firefox | 11/14/2017 | 3218 | |
| api.MediaRecorderErrorEvent.error | Firefox | 11/14/2017 | 3218 | |
| api.MediaSession.setActionHandler.hangup_type | Chrome | 8/31/2021 | 1832 | |
| api.MediaSession.setActionHandler.nextslide_type | Chrome | 3/7/2023 | 1279 | |
| api.MediaSession.setActionHandler.previousslide_type | Chrome | 3/7/2023 | 1279 | |
| api.MediaSession.setActionHandler.togglecamera_type | Chrome | 8/31/2021 | 1832 | |
| api.MediaSession.setActionHandler.togglemicrophone_type | Chrome | 8/31/2021 | 1832 | |
| api.MediaSession.setCameraActive 📋 | Chrome | 8/31/2021 | 1832 | |
| api.MediaSession.setMicrophoneActive 📋 | Chrome | 8/31/2021 | 1832 | |
| api.MediaSource.canConstructInDedicatedWorker_static 📋 | Chrome | 11/29/2022 | 1377 | |
| api.MediaSource.handle 📋 | Chrome | 11/29/2022 | 1377 | |
| api.MediaSource.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.MediaSourceHandle 📋 | Chrome | 11/29/2022 | 1377 | |
| api.MediaStream.active_event | Chrome | 4/14/2015 | 4163 | |
| api.MediaStream.inactive_event | Chrome | 4/14/2015 | 4163 | |
| api.MediaStreamEvent | Chrome | 3/26/2013 | 4912 | |
| api.MediaStreamEvent.MediaStreamEvent | Chrome | 3/26/2013 | 4912 | |
| api.MediaStreamEvent.stream | Chrome | 3/26/2013 | 4912 | |
| api.MediaStreamTrack.applyConstraints.aspectRatio_constraint 📋 | Chrome | 6/5/2017 | 3380 | |
| api.MediaStreamTrack.applyConstraints.autoGainControl_constraint 📋 | Firefox | 8/8/2017 | 3316 | |
| api.MediaStreamTrack.applyConstraints.channelCount_constraint 📋 | Chrome | 6/5/2017 | 3380 | |
| api.MediaStreamTrack.applyConstraints.displaySurface_constraint 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| api.MediaStreamTrack.applyConstraints.logicalSurface_constraint 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| api.MediaStreamTrack.applyConstraints.noiseSuppression_constraint 📋 | Firefox | 8/8/2017 | 3316 | |
| api.MediaStreamTrack.applyConstraints.resizeMode_constraint 📋 | Chrome | 1/29/2019 | 2777 | |
| api.MediaStreamTrack.applyConstraints.sampleRate_constraint 📋 | Chrome | 6/5/2017 | 3380 | |
| api.MediaStreamTrack.applyConstraints.sampleSize_constraint 📋 | Chrome | 6/5/2017 | 3380 | |
| api.MediaStreamTrack.applyConstraints.suppressLocalAudioPlayback_constraint 📋 | Chrome | 1/10/2023 | 1335 | |
| api.MediaStreamTrack.applyConstraints.volume_constraint | Chrome | 6/5/2017 | 3380 | |
| api.MediaStreamTrack.capturehandlechange_event 📋 | Chrome | 5/24/2022 | 1566 | |
| api.MediaStreamTrack.contentHint 📋 | Chrome | 10/16/2018 | 2882 | |
| api.MediaStreamTrack.getCaptureHandle 📋 | Chrome | 5/24/2022 | 1566 | |
| api.MediaStreamTrackAudioSourceNode 📋 | Firefox | 7/9/2019 | 2616 | |
| api.MediaStreamTrackAudioSourceNode.MediaStreamTrackAudioSourceNode 📋 | Firefox | 7/9/2019 | 2616 | Firefox: Firefox 68 implements the updated standard's definition of the "first" audio track; now the first track is the one whose ID comes first lexicographically.Firefox for Android: Firefox for Android 68 implements the updated standard's definition of the "first" audio track; now the first track is the one whose ID comes first lexicographically. |
| api.MediaStreamTrackGenerator | Chrome | 9/21/2021 | 1811 | |
| api.MediaStreamTrackGenerator.MediaStreamTrackGenerator | Chrome | 9/21/2021 | 1811 | |
| api.MediaStreamTrackGenerator.writable | Chrome | 9/21/2021 | 1811 | |
| api.MediaStreamTrackProcessor 📋 | Chrome | 9/21/2021 | 1811 | Chrome: Chrome incorrectly exposes this interface only on the Window scope, rather than the DedicatedWorker scope as defined in the spec.Chrome Android: Chrome Android incorrectly exposes this interface only on the Window scope, rather than the DedicatedWorker scope as defined in the spec.Edge: Edge incorrectly exposes this interface only on the Window scope, rather than the DedicatedWorker scope as defined in the spec.Quest Browser: Quest Browser incorrectly exposes this interface only on the Window scope, rather than the DedicatedWorker scope as defined in the spec.Opera: Opera incorrectly exposes this interface only on the Window scope, rather than the DedicatedWorker scope as defined in the spec.Opera Android: Opera Android incorrectly exposes this interface only on the Window scope, rather than the DedicatedWorker scope as defined in the spec.Samsung Internet: Samsung Internet incorrectly exposes this interface only on the Window scope, rather than the DedicatedWorker scope as defined in the spec.WebView Android: WebView Android incorrectly exposes this interface only on the Window scope, rather than the DedicatedWorker scope as defined in the spec. |
| api.MediaStreamTrackProcessor.MediaStreamTrackProcessor 📋 | Chrome | 9/21/2021 | 1811 | |
| api.MediaStreamTrackProcessor.readable 📋 | Chrome | 9/21/2021 | 1811 | |
| api.MerchantValidationEvent | Safari on iOS | 3/29/2018 | 3083 | Firefox: Available only in Nightly builds. |
| api.MerchantValidationEvent.MerchantValidationEvent | Safari | 3/25/2019 | 2722 | Firefox: Available only in Nightly builds. |
| api.MerchantValidationEvent.complete | Safari on iOS | 3/29/2018 | 3083 | Firefox: Available only in Nightly builds. |
| api.MerchantValidationEvent.methodName | Safari | 3/25/2019 | 2722 | Firefox: Available only in Nightly builds. |
| api.MerchantValidationEvent.validationURL | Safari on iOS | 3/29/2018 | 3083 | Firefox: Available only in Nightly builds. |
| api.MessageEvent.userActivation | Chrome | 1/29/2019 | 2777 | |
| api.MessagePort.postMessage.options_includeUserActivation_parameter | Chrome | 1/29/2019 | 2777 | |
| api.Metadata | Chrome | 8/2/2011 | 5514 | |
| api.Metadata.modificationTime | Chrome | 8/2/2011 | 5514 | |
| api.Metadata.size | Chrome | 8/2/2011 | 5514 | |
| api.MimeType 📋 | Safari | 6/23/2003 | 8476 | |
| api.MimeType.description 📋 | Safari | 6/23/2003 | 8476 | |
| api.MimeType.enabledPlugin 📋 | Safari | 6/23/2003 | 8476 | |
| api.MimeType.suffixes 📋 | Safari | 6/23/2003 | 8476 | |
| api.MimeType.type 📋 | Safari | 6/23/2003 | 8476 | |
| api.MouseEvent.getModifierState.accel_support | Firefox | 9/2/2014 | 4387 | |
| api.MouseEvent.relatedTarget.drag_events 📋 | Chrome | 7/25/2017 | 3330 | |
| api.MouseScrollEvent | Firefox | 6/30/2009 | 6277 | |
| api.MutationEvent | Safari | 6/23/2003 | 8476 | |
| api.MutationEvent.attrChange | Safari | 6/23/2003 | 8476 | |
| api.MutationEvent.attrName | Safari | 6/23/2003 | 8476 | |
| api.MutationEvent.initMutationEvent | Safari | 6/23/2003 | 8476 | |
| api.MutationEvent.newValue | Safari | 6/23/2003 | 8476 | |
| api.MutationEvent.prevValue | Safari | 6/23/2003 | 8476 | |
| api.MutationEvent.relatedNode | Safari | 6/23/2003 | 8476 | |
| api.NDEFMessage 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFMessage.NDEFMessage 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFMessage.records 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFMessage.secure_context_required | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReader 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReader.NDEFReader 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReader.makeReadOnly 📋 | Chrome Android | 3/29/2022 | 1622 | |
| api.NDEFReader.reading_event 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReader.readingerror_event 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReader.scan 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReader.secure_context_required | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReader.write 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReadingEvent 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReadingEvent.NDEFReadingEvent 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReadingEvent.message 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReadingEvent.secure_context_required | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFReadingEvent.serialNumber 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFRecord 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFRecord.NDEFRecord 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFRecord.data 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFRecord.encoding 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFRecord.id 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFRecord.lang 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFRecord.mediaType 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFRecord.recordType 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFRecord.secure_context_required | Chrome Android | 3/2/2021 | 2014 | |
| api.NDEFRecord.toRecords 📋 | Chrome Android | 3/2/2021 | 2014 | |
| api.NavigateEvent 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigateEvent.NavigateEvent 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigateEvent.canIntercept 📋 | Edge | 9/1/2022 | 1466 | |
| api.NavigateEvent.destination 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigateEvent.downloadRequest 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigateEvent.formData 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigateEvent.hasUAVisualTransition 📋 | Chrome | 10/10/2023 | 1062 | |
| api.NavigateEvent.hashChange 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigateEvent.info 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigateEvent.intercept 📋 | Edge | 9/1/2022 | 1466 | |
| api.NavigateEvent.navigationType 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigateEvent.scroll 📋 | Edge | 9/1/2022 | 1466 | |
| api.NavigateEvent.signal 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigateEvent.userInitiated 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.activation 📋 | Chrome | 3/19/2024 | 901 | |
| api.Navigation.back 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.canGoBack 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.canGoForward 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.currentEntry 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.currententrychange_event 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.entries 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.forward 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.navigate 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.navigate_event 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.navigateerror_event 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.navigatesuccess_event 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.reload 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.transition 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.traverseTo 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigation.updateCurrentEntry 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationActivation 📋 | Chrome | 3/19/2024 | 901 | |
| api.NavigationActivation.entry 📋 | Chrome | 3/19/2024 | 901 | |
| api.NavigationActivation.from 📋 | Chrome | 3/19/2024 | 901 | |
| api.NavigationActivation.navigationType 📋 | Chrome | 3/19/2024 | 901 | |
| api.NavigationCurrentEntryChangeEvent 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationCurrentEntryChangeEvent.NavigationCurrentEntryChangeEvent 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationCurrentEntryChangeEvent.from 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationCurrentEntryChangeEvent.navigationType 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationDestination 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationDestination.getState 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationDestination.id 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationDestination.index 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationDestination.key 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationDestination.sameDocument 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationDestination.url 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationHistoryEntry 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationHistoryEntry.dispose_event 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationHistoryEntry.getState 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationHistoryEntry.id 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationHistoryEntry.index 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationHistoryEntry.key 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationHistoryEntry.sameDocument 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationHistoryEntry.url 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationTransition 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationTransition.finished 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationTransition.from 📋 | Chrome | 5/24/2022 | 1566 | |
| api.NavigationTransition.navigationType 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Navigator.activeVRDisplays | Firefox | 3/8/2022 | 1643 | Chrome Android: Supported only by Google Daydream.Edge: WebVR content requires a Windows Mixed Reality headset or the Windows Mixed Reality Portal Simulator.Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Quest Browser: Supported only by Google Daydream.Samsung Internet: Supported only by Google Daydream. |
| api.Navigator.activeVRDisplays.secure_context_required | Firefox | 2/11/2020 | 2399 | |
| api.Navigator.adAuctionComponents 📋 | Chrome | 8/20/2024 | 747 | |
| api.Navigator.audioSession 📋 | Safari | 3/27/2023 | 1259 | |
| api.Navigator.authentication | Chrome | 5/29/2018 | 3022 | |
| api.Navigator.bluetooth 📋 | Chrome Android | 2/1/2017 | 3504 | Chrome: Linux support is not enabled by default.Chrome: Only supported on macOS.Edge: Linux support is not enabled by default.Opera: Linux support is not enabled by default.Opera: Only supported on macOS. |
| api.Navigator.buildID | Firefox | 10/24/2006 | 7257 | Firefox: Since Firefox 64, this property returns a fixed timestamp as a privacy measure - 20181001000000.Firefox for Android: Since Firefox for Android 64, this property returns a fixed timestamp as a privacy measure - 20181001000000. |
| api.Navigator.canLoadAdAuctionFencedFrame 📋 | Chrome | 8/20/2024 | 747 | |
| api.Navigator.canShare.data_files_parameter 📋 | Chrome Android | 7/30/2019 | 2595 | |
| api.Navigator.canShare.data_text_parameter 📋 | Chrome Android | 7/30/2019 | 2595 | |
| api.Navigator.clearAppBadge 📋 | Chrome | 4/7/2020 | 2343 | Chrome: Windows and macOS only. Linux offers no universal badging API on the operating system level.Edge: Windows and macOS only. Linux offers no universal badging API on the operating system level.Safari: Badging is supported for installed web apps on macOS Sonoma and higher.Safari on iOS: Badging is supported for web apps saved to the home screen.WebView on iOS: Badging is supported for web apps saved to the home screen. |
| api.Navigator.clearOriginJoinedAdInterestGroups 📋 | Chrome | 8/20/2024 | 747 | |
| api.Navigator.connection 📋 | Chrome Android | 10/8/2014 | 4351 | |
| api.Navigator.contacts 📋 | Chrome Android | 2/4/2020 | 2406 | Samsung Internet: This API was exposed but failed upon opening a contact selector. |
| api.Navigator.createAuctionNonce 📋 | Chrome | 8/20/2024 | 747 | |
| api.Navigator.deprecatedReplaceInURN 📋 | Chrome | 7/18/2023 | 1146 | |
| api.Navigator.deprecatedRunAdAuctionEnforcesKAnonymity 📋 | Chrome | 8/20/2024 | 747 | |
| api.Navigator.deviceMemory 📋 | Chrome Android | 12/5/2017 | 3197 | |
| api.Navigator.devicePosture 📋 | Chrome | 1/14/2025 | 600 | |
| api.Navigator.doNotTrack | Firefox | 12/20/2011 | 5374 | Edge: Before version 17, Edge implemented window.doNotTrack.Firefox: In Firefox, navigator.doNotTrack returns "unspecified" instead of null.Firefox: Before Firefox 32, navigator.doNotTrack would report values of "yes" and "no" rather than "1" and "0".Firefox for Android: In Firefox for Android, navigator.doNotTrack returns "unspecified" instead of null.Firefox for Android: Before Firefox for Android 32, navigator.doNotTrack would report values of "yes" and "no" rather than "1" and "0".Internet Explorer: For IE11 and subsequent versions, use window.doNotTrack |
| api.Navigator.getAutoplayPolicy 📋 | Firefox | 4/11/2023 | 1244 | |
| api.Navigator.getBattery 📋 | Chrome | 10/7/2014 | 4352 | |
| api.Navigator.getBattery.secure_context_required | Chrome | 6/21/2022 | 1538 | |
| api.Navigator.getGamepads.secure_context_required | Edge | 10/9/2020 | 2158 | |
| api.Navigator.getInstalledRelatedApps 📋 | Chrome Android | 7/27/2020 | 2232 | Chrome: Supported on Windows for checking of Universal Windows Platform (UWP) app installation. Resolves with an empty array on other platforms.Chrome: Always resolves with an empty array.Chrome Android: Supports checking of Progressive Web App (PWA) installation.Chrome Android: Supports checking of Android app installation.Edge: Supported on Windows for checking of Universal Windows Platform (UWP) app installation. Resolves with an empty array on other platforms.Edge: Always resolves with an empty array.Quest Browser: Supports checking of Progressive Web App (PWA) installation.Quest Browser: Supports checking of Android app installation.Opera: Supported on Windows for checking of Universal Windows Platform (UWP) app installation. Resolves with an empty array on other platforms.Opera: Always resolves with an empty array.Samsung Internet: Supports checking of Progressive Web App (PWA) installation.Samsung Internet: Supports checking of Android app installation. |
| api.Navigator.getInterestGroupAdAuctionData 📋 | Chrome | 1/14/2025 | 600 | |
| api.Navigator.getUserMedia 📋 | Firefox | 11/20/2012 | 5038 | |
| api.Navigator.getVRDisplays | Firefox | 3/8/2022 | 1643 | Chrome: Available on all platforms behind a flag, but currently only works on desktop in an experimental version of Chrome (other builds won't return any devices when Navigator.getVRDisplays() is invoked).Chrome Android: Currently supported only by Google Daydream.Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Quest Browser: Currently supported only by Google Daydream.Samsung Internet: Currently supported only by Google Daydream. |
| api.Navigator.globalPrivacyControl 📋 | Firefox | 11/21/2023 | 1020 | Firefox: Opt-in to GPC using the Website Privacy Preference setting ( about:preferences#privacy) checkbox 'Tell websites not to sell or share my data', or by setting the preference privacy.globalprivacycontrol.enabled to true. |
| api.Navigator.gpu 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.Navigator.hid 📋 | Chrome | 3/2/2021 | 2014 | |
| api.Navigator.ink 📋 | Edge | 9/2/2021 | 1830 | |
| api.Navigator.joinAdInterestGroup 📋 | Chrome | 8/20/2024 | 747 | |
| api.Navigator.keyboard 📋 | Chrome | 7/24/2018 | 2966 | |
| api.Navigator.leaveAdInterestGroup 📋 | Chrome | 8/20/2024 | 747 | |
| api.Navigator.login 📋 | Chrome | 12/5/2023 | 1006 | |
| api.Navigator.managed 📋 | Chrome | 5/25/2021 | 1930 | |
| api.Navigator.mimeTypes.returns_plugin_type | Safari | 6/23/2003 | 8476 | |
| api.Navigator.ml 📋 | Chrome | 4/4/2023 | 1251 | |
| api.Navigator.oscpu 📋 | Firefox | 11/9/2004 | 7971 | Firefox: The preference "general.oscpu.override" can be used to set a value to be returned instead of the true CPU description. The preference setting is ignored for calls made by privileged code, which continue to get the actual CPU description.Firefox for Android: The preference "general.oscpu.override" can be used to set a value to be returned instead of the true CPU description. The preference setting is ignored for calls made by privileged code, which continue to get the actual CPU description. |
| api.Navigator.plugins.returns_plugins | Safari | 6/23/2003 | 8476 | |
| api.Navigator.presentation 📋 | Chrome | 12/1/2015 | 3932 | |
| api.Navigator.protectedAudience 📋 | Chrome | 8/20/2024 | 747 | |
| api.Navigator.registerProtocolHandler 📋 | Firefox | 10/24/2006 | 7257 | Chrome: From Chrome 77, the URL parameter only accepts http or https URLs. |
| api.Navigator.registerProtocolHandler.scheme_parameter_bitcoin | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_cabal | Edge | 10/9/2020 | 2158 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_dat | Edge | 10/9/2020 | 2158 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_did | Edge | 10/9/2020 | 2158 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_dweb | Edge | 10/9/2020 | 2158 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_ethereum | Edge | 10/9/2020 | 2158 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_ftp | Firefox | 3/8/2022 | 1643 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_ftps | Firefox | 3/8/2022 | 1643 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_geo | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_hyper | Edge | 10/9/2020 | 2158 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_im | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_ipfs | Edge | 10/9/2020 | 2158 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_ipns | Edge | 10/9/2020 | 2158 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_irc | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_ircs | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_magnet | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_mailto | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_matrix | Firefox | 7/13/2021 | 1881 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_mms | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_news | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_nntp | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_openpgp4fpr | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_sftp | Firefox | 3/8/2022 | 1643 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_sip | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_sms | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_smsto | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_ssb | Edge | 10/9/2020 | 2158 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_ssh | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_tel | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_urn | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_webcal | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_wtai | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.scheme_parameter_xmpp | Firefox | 10/24/2006 | 7257 | |
| api.Navigator.registerProtocolHandler.secure_context_required | Firefox | 9/5/2018 | 2923 | |
| api.Navigator.requestMIDIAccess 📋 | Chrome | 5/19/2015 | 4128 | Firefox: API access is gated by installation of a site permission add-on (user prompt), secure context, and Permission Policy: midi. |
| api.Navigator.requestMIDIAccess.secure_context_required | Chrome | 5/19/2015 | 4128 | |
| api.Navigator.runAdAuction 📋 | Chrome | 8/20/2024 | 747 | |
| api.Navigator.scheduling 📋 | Chrome | 11/17/2020 | 2119 | |
| api.Navigator.serial 📋 | Chrome | 3/2/2021 | 2014 | |
| api.Navigator.setAppBadge 📋 | Chrome | 4/7/2020 | 2343 | Chrome: Windows and macOS only. Linux offers no universal badging API on the operating system level.Edge: Windows and macOS only. Linux offers no universal badging API on the operating system level.Safari: Badging is supported for installed web apps on macOS Sonoma and higher.Safari: Passing 0 as an argument will clear the badge instead of displaying an unnumbered dot.Safari on iOS: Badging is supported for web apps saved to the home screen.Safari on iOS: Passing 0 as an argument will clear the badge instead of displaying an unnumbered dot.WebView on iOS: Badging is supported for web apps saved to the home screen. |
| api.Navigator.share.data_files_parameter 📋 | Chrome Android | 7/30/2019 | 2595 | |
| api.Navigator.storageBuckets 📋 | Chrome | 2/20/2024 | 929 | |
| api.Navigator.taintEnabled 📋 | Firefox | 11/9/2004 | 7971 | |
| api.Navigator.unregisterProtocolHandler 📋 | Chrome | 10/7/2014 | 4352 | |
| api.Navigator.updateAdInterestGroups 📋 | Chrome | 8/20/2024 | 747 | |
| api.Navigator.usb 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes navigator.usb, but does not support WebUSB. See bug 41441927. |
| api.Navigator.userAgentData 📋 | Chrome | 4/13/2021 | 1972 | |
| api.Navigator.userAgentData.secure_context_required | Chrome | 4/13/2021 | 1972 | |
| api.Navigator.vibrate 📋 | Chrome | 1/14/2014 | 4618 | Chrome Android: Beginning in Chrome 55, this is not supported in cross-origin iframes.Chrome Android: Beginning in Chrome 60, this method requires a user gesture. Otherwise it returns false.Firefox: Until Firefox 26 included, when the vibration pattern was too long or any of its elements too large, Firefox threw an exception instead of returning false (bug 884935).Firefox: From Firefox 32 onwards, when the vibration pattern is too long or any of its elements too large, it returns true but truncates the pattern (bug 1014581).Firefox: Beginning in Firefox 72, this is not supported in cross-origin iframes.Firefox for Android: Vibration is disabled. If the window is visible, then navigator.vibrate() returns true, but no vibration takes place (regardless of hardware support). Originally, the intent was to disable it for cross-origin frames only (bug 1591113), but the feature was not re-enabled due to abuse concerns (bug 1653318).Firefox for Android: Until Firefox 26 included, when the vibration pattern was too long or any of its elements too large, Firefox threw an exception instead of returning false (bug 884935).Firefox for Android: From Firefox 32 onwards, when the vibration pattern is too long or any of its elements too large, it returns true but truncates the pattern (bug 1014581).Quest Browser: Beginning in Chrome 55, this is not supported in cross-origin iframes.Quest Browser: Beginning in Chrome 60, this method requires a user gesture. Otherwise it returns false.Opera Android: Beginning in Opera 42, this is not supported in cross-origin iframes.Opera Android: Beginning in Opera 47, this method requires a user gesture. Otherwise it returns false.Samsung Internet: Beginning in Chrome 55, this is not supported in cross-origin iframes.Samsung Internet: Beginning in Chrome 60, this method requires a user gesture. Otherwise it returns false.WebView Android: Beginning in version 55, this is not supported in cross-origin iframes.WebView Android: Beginning in version 60, this method requires a user gesture. Otherwise it returns false. |
| api.Navigator.virtualKeyboard 📋 | Chrome | 9/21/2021 | 1811 | |
| api.Navigator.windowControlsOverlay 📋 | Edge | 9/1/2022 | 1466 | |
| api.Navigator.xr 📋 | Chrome | 12/10/2019 | 2462 | |
| api.NavigatorLogin 📋 | Chrome | 12/5/2023 | 1006 | |
| api.NavigatorLogin.setStatus 📋 | Chrome | 12/5/2023 | 1006 | |
| api.NavigatorManagedData 📋 | Chrome | 5/25/2021 | 1930 | |
| api.NavigatorManagedData.getManagedConfiguration 📋 | Chrome | 5/25/2021 | 1930 | |
| api.NavigatorManagedData.managedconfigurationchange_event 📋 | Chrome | 5/25/2021 | 1930 | |
| api.NavigatorUAData 📋 | Chrome | 4/13/2021 | 1972 | |
| api.NavigatorUAData.brands 📋 | Chrome | 4/13/2021 | 1972 | |
| api.NavigatorUAData.getHighEntropyValues 📋 | Chrome | 4/13/2021 | 1972 | |
| api.NavigatorUAData.mobile 📋 | Chrome | 4/13/2021 | 1972 | |
| api.NavigatorUAData.platform 📋 | Chrome | 8/31/2021 | 1832 | |
| api.NavigatorUAData.toJSON 📋 | Chrome | 8/31/2021 | 1832 | |
| api.NetworkInformation 📋 | Chrome Android | 10/8/2014 | 4351 | |
| api.NetworkInformation.change_event 📋 | Chrome Android | 10/8/2014 | 4351 | Firefox for Android: On Firefox, the event handler property corresponding to the change event is ontypechange. |
| api.NetworkInformation.downlink 📋 | Chrome Android | 10/8/2014 | 4351 | Chrome: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Chrome Android: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Edge: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Quest Browser: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Opera: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Opera Android: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Samsung Internet: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.WebView Android: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure. |
| api.NetworkInformation.downlinkMax 📋 | Chrome Android | 10/8/2014 | 4351 | Chrome: Only supported on ChromeOS |
| api.NetworkInformation.effectiveType 📋 | Chrome Android | 10/8/2014 | 4351 | |
| api.NetworkInformation.rtt 📋 | Chrome Android | 10/8/2014 | 4351 | Chrome: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Chrome Android: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Edge: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Quest Browser: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Opera: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Opera Android: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Samsung Internet: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.WebView Android: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure. |
| api.NetworkInformation.saveData 📋 | Chrome | 3/6/2018 | 3106 | |
| api.NetworkInformation.type 📋 | Chrome Android | 10/8/2014 | 4351 | Chrome: Only supported on ChromeOS |
| api.NetworkInformation.typechange_event | Chrome Android | 10/8/2014 | 4351 | Chrome Android: Removal proposed in bug 40509974.Quest Browser: Removal proposed in bug 40509974.Opera Android: Removal proposed in bug 40509974.Samsung Internet: Removal proposed in bug 40509974. |
| api.NetworkInformation.worker_support | Chrome Android | 10/8/2014 | 4351 | |
| api.Node.selectstart_event 📋 | Safari | 4/15/2005 | 7814 | |
| api.NodeIterator.detach 📋 | Safari | 10/26/2007 | 6890 | |
| api.NotRestoredReasonDetails 📋 | Chrome | 5/14/2024 | 845 | |
| api.NotRestoredReasonDetails.reason 📋 | Chrome | 5/14/2024 | 845 | |
| api.NotRestoredReasonDetails.toJSON | Chrome | 5/14/2024 | 845 | |
| api.NotRestoredReasons 📋 | Chrome | 5/14/2024 | 845 | |
| api.NotRestoredReasons.children 📋 | Chrome | 5/14/2024 | 845 | |
| api.NotRestoredReasons.id 📋 | Chrome | 5/14/2024 | 845 | |
| api.NotRestoredReasons.name 📋 | Chrome | 5/14/2024 | 845 | |
| api.NotRestoredReasons.reasons 📋 | Chrome | 5/14/2024 | 845 | |
| api.NotRestoredReasons.src 📋 | Chrome | 5/14/2024 | 845 | |
| api.NotRestoredReasons.toJSON | Chrome | 5/14/2024 | 845 | |
| api.NotRestoredReasons.url 📋 | Chrome | 5/14/2024 | 845 | |
| api.Notification.actions 📋 | Chrome | 8/31/2016 | 3658 | |
| api.Notification.badge 📋 | Chrome | 8/31/2016 | 3658 | Safari: Badging is supported for web apps saved to the Dock in Safari 17 on the macOS Sonoma betaSafari on iOS: Badging is supported for web apps saved to the Dock in Safari on iOS 17 on the macOS Sonoma beta |
| api.Notification.icon 📋 | Firefox | 12/10/2013 | 4653 | Safari: The property can be set, but has no effect.Safari on iOS: The property can be set, but has no effect. |
| api.Notification.image 📋 | Chrome | 1/25/2017 | 3511 | |
| api.Notification.lang 📋 | Firefox | 12/10/2013 | 4653 | |
| api.Notification.maxActions_static 📋 | Chrome | 1/20/2016 | 3882 | |
| api.Notification.renotify 📋 | Chrome | 4/13/2016 | 3798 | |
| api.Notification.requireInteraction 📋 | Chrome | 12/1/2015 | 3932 | Firefox: Only supported on Windows. Behind a flag on other operating systems.Firefox for Android: Only supported on Windows. Behind a flag on other operating systems. |
| api.Notification.secure_context_required | Chrome | 10/17/2017 | 3246 | |
| api.Notification.show_event 📋 | Chrome | 6/26/2012 | 5185 | |
| api.Notification.silent 📋 | Chrome | 5/19/2015 | 4128 | |
| api.Notification.tag 📋 | Chrome | 6/26/2012 | 5185 | Safari: The property can be set, but has no effect. |
| api.Notification.timestamp 📋 | Chrome | 4/13/2016 | 3798 | |
| api.Notification.title 📋 | Firefox | 12/10/2013 | 4653 | |
| api.Notification.vibrate 📋 | Chrome | 8/31/2016 | 3658 | |
| api.Notification.worker_support | Chrome | 4/14/2015 | 4163 | |
| api.NotificationEvent.action 📋 | Chrome | 1/20/2016 | 3882 | |
| api.NotificationEvent.notification 📋 | Chrome | 4/14/2015 | 4163 | |
| api.OTPCredential 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.OTPCredential.code 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.OVR_multiview2 📋 | Firefox | 12/10/2019 | 2462 | Chrome: Only supported on Windows with ANGLE.Edge: Only supported on Windows with ANGLE.Firefox: Only supported on Windows with ANGLE.Firefox for Android: Only supported on Windows with ANGLE.Opera: Only supported on Windows with ANGLE. |
| api.OVR_multiview2.framebufferTextureMultiviewOVR 📋 | Firefox | 12/10/2019 | 2462 | |
| api.OfflineAudioContext.suspend 📋 | Chrome | 3/3/2015 | 4205 | |
| api.OffscreenCanvas.contextlost_event 📋 | Chrome | 3/1/2022 | 1650 | |
| api.OffscreenCanvas.contextrestored_event 📋 | Chrome | 3/1/2022 | 1650 | |
| api.OffscreenCanvas.convertToBlob.option_type_parameter_webp | Chrome | 9/4/2018 | 2924 | |
| api.OffscreenCanvas.getContext.webgpu_context 📋 | Firefox | 9/20/2022 | 1447 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Firefox: Currently supported on Linux and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.OffscreenCanvasRenderingContext2D.commit | Firefox | 9/20/2022 | 1447 | |
| api.OffscreenCanvasRenderingContext2D.filter 📋 | Chrome | 9/4/2018 | 2924 | |
| api.OffscreenCanvasRenderingContext2D.fontKerning 📋 | Chrome | 3/1/2022 | 1650 | |
| api.OffscreenCanvasRenderingContext2D.fontStretch 📋 | Chrome | 3/1/2022 | 1650 | |
| api.OffscreenCanvasRenderingContext2D.fontVariantCaps 📋 | Chrome | 3/1/2022 | 1650 | |
| api.OffscreenCanvasRenderingContext2D.imageSmoothingQuality 📋 | Chrome | 9/4/2018 | 2924 | |
| api.OffscreenCanvasRenderingContext2D.isContextLost 📋 | Chrome | 3/1/2022 | 1650 | |
| api.OffscreenCanvasRenderingContext2D.letterSpacing 📋 | Chrome | 3/1/2022 | 1650 | |
| api.OffscreenCanvasRenderingContext2D.textRendering 📋 | Chrome | 3/1/2022 | 1650 | |
| api.OffscreenCanvasRenderingContext2D.wordSpacing 📋 | Chrome | 3/1/2022 | 1650 | |
| api.OrientationSensor 📋 | Chrome | 5/29/2018 | 3022 | |
| api.OrientationSensor.populateMatrix 📋 | Chrome | 5/29/2018 | 3022 | |
| api.OrientationSensor.quaternion 📋 | Chrome | 5/29/2018 | 3022 | |
| api.OverconstrainedError 📋 | Safari | 9/19/2017 | 3274 | |
| api.OverconstrainedError.OverconstrainedError 📋 | Safari | 9/19/2017 | 3274 | |
| api.OverconstrainedError.constraint 📋 | Chrome Android | 12/5/2017 | 3197 | |
| api.PageRevealEvent 📋 | Chrome | 3/19/2024 | 901 | |
| api.PageRevealEvent.PageRevealEvent 📋 | Chrome | 8/20/2024 | 747 | |
| api.PageRevealEvent.viewTransition 📋 | Chrome | 6/11/2024 | 817 | |
| api.PageSwapEvent 📋 | Chrome | 4/16/2024 | 873 | |
| api.PageSwapEvent.PageSwapEvent 📋 | Chrome | 8/20/2024 | 747 | |
| api.PageSwapEvent.activation 📋 | Chrome | 4/16/2024 | 873 | |
| api.PageSwapEvent.viewTransition 📋 | Chrome | 6/11/2024 | 817 | |
| api.PaintRenderingContext2D 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.beginPath 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.clearRect 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.clip 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.createLinearGradient 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.createPattern 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.createRadialGradient 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.drawImage 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.fill 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.fillRect 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.fillStyle 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.filter | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.getLineDash 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.getTransform 📋 | Chrome | 7/24/2018 | 2966 | |
| api.PaintRenderingContext2D.globalAlpha 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.globalCompositeOperation 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.imageSmoothingEnabled 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.imageSmoothingQuality 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.isPointInPath 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.isPointInStroke 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.lineCap 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.lineDashOffset 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.lineJoin 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.lineWidth 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.miterLimit 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.resetTransform 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.restore 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.rotate 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.save 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.scale 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.setLineDash 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.setTransform 📋 | Chrome | 7/24/2018 | 2966 | |
| api.PaintRenderingContext2D.shadowBlur 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.shadowColor 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.shadowOffsetX 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.shadowOffsetY 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.stroke 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.strokeRect 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.strokeStyle 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.transform 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintRenderingContext2D.translate 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintSize 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintSize.height 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintSize.width 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintWorkletGlobalScope 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintWorkletGlobalScope.devicePixelRatio 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PaintWorkletGlobalScope.registerPaint 📋 | Chrome | 3/6/2018 | 3106 | |
| api.PasswordCredential 📋 | Chrome | 5/25/2016 | 3756 | |
| api.PasswordCredential.PasswordCredential 📋 | Chrome | 5/25/2016 | 3756 | |
| api.PasswordCredential.iconURL 📋 | Chrome | 5/25/2016 | 3756 | |
| api.PasswordCredential.name 📋 | Chrome | 5/25/2016 | 3756 | |
| api.PasswordCredential.password 📋 | Chrome | 7/25/2017 | 3330 | |
| api.PaymentAddress | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.addressLine | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.city | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.country | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.dependentLocality | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.organization | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.phone | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.postalCode | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.recipient | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.region | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.sortingCode | Chrome Android | 9/7/2016 | 3651 | |
| api.PaymentAddress.toJSON | Chrome Android | 12/6/2016 | 3561 | |
| api.PaymentManager 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentManager.enableDelegations 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PaymentManager.secure_context_required | Chrome | 2/20/2024 | 929 | |
| api.PaymentManager.userHint 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequest.PaymentRequest.secure_payment_confirmation_method | Chrome | 10/19/2021 | 1783 | |
| api.PaymentRequest.merchantvalidation_event | Firefox | 8/8/2017 | 3316 | |
| api.PaymentRequestEvent 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequestEvent.PaymentRequestEvent 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequestEvent.changePaymentMethod 📋 | Chrome | 7/30/2019 | 2595 | |
| api.PaymentRequestEvent.changeShippingAddress 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PaymentRequestEvent.changeShippingOption 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PaymentRequestEvent.methodData 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequestEvent.modifiers 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequestEvent.openWindow 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequestEvent.paymentOptions 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PaymentRequestEvent.paymentRequestId 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequestEvent.paymentRequestOrigin 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequestEvent.respondWith 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequestEvent.shippingOptions 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PaymentRequestEvent.topOrigin 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequestEvent.total 📋 | Chrome | 10/16/2018 | 2882 | |
| api.PaymentRequestUpdateEvent.secure_context_required | Chrome | 2/20/2024 | 929 | |
| api.Performance.eventCounts 📋 | Chrome | 8/25/2020 | 2203 | |
| api.Performance.measureUserAgentSpecificMemory 📋 | Chrome | 3/2/2021 | 2014 | |
| api.Performance.memory | Chrome | 10/19/2010 | 5801 | |
| api.PerformanceElementTiming 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceElementTiming.element 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceElementTiming.id 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceElementTiming.identifier 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceElementTiming.intersectionRect 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceElementTiming.loadTime 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceElementTiming.naturalHeight 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceElementTiming.naturalWidth 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceElementTiming.renderTime 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceElementTiming.toJSON 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceElementTiming.url 📋 | Chrome | 9/10/2019 | 2553 | |
| api.PerformanceEventTiming 📋 | Chrome | 7/30/2019 | 2595 | |
| api.PerformanceEventTiming.cancelable 📋 | Chrome | 7/30/2019 | 2595 | |
| api.PerformanceEventTiming.interactionId 📋 | Chrome | 11/15/2021 | 1756 | |
| api.PerformanceEventTiming.processingEnd 📋 | Chrome | 7/30/2019 | 2595 | |
| api.PerformanceEventTiming.processingStart 📋 | Chrome | 7/30/2019 | 2595 | |
| api.PerformanceEventTiming.target 📋 | Chrome | 8/25/2020 | 2203 | |
| api.PerformanceEventTiming.toJSON 📋 | Chrome | 7/30/2019 | 2595 | |
| api.PerformanceLongAnimationFrameTiming 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceLongAnimationFrameTiming.blockingDuration 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceLongAnimationFrameTiming.firstUIEventTimestamp 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceLongAnimationFrameTiming.renderStart 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceLongAnimationFrameTiming.scripts 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceLongAnimationFrameTiming.styleAndLayoutStart 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceLongAnimationFrameTiming.toJSON 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceLongTaskTiming 📋 | Chrome | 4/19/2017 | 3427 | |
| api.PerformanceLongTaskTiming.attribution 📋 | Chrome | 4/19/2017 | 3427 | |
| api.PerformanceLongTaskTiming.toJSON 📋 | Chrome | 4/19/2017 | 3427 | |
| api.PerformanceNavigationTiming.activationStart 📋 | Chrome Android | 3/16/2017 | 3461 | |
| api.PerformanceNavigationTiming.criticalCHRestart 📋 | Chrome | 8/15/2023 | 1118 | |
| api.PerformanceNavigationTiming.notRestoredReasons 📋 | Chrome | 5/14/2024 | 845 | |
| api.PerformanceObserver.PerformanceObserver.droppedEntriesCount 📋 | Chrome | 10/19/2021 | 1783 | |
| api.PerformancePaintTiming.first-paint 📋 | Chrome | 7/25/2017 | 3330 | |
| api.PerformanceResourceTiming.contentType 📋 | Firefox | 8/6/2024 | 761 | |
| api.PerformanceResourceTiming.deliveryType 📋 | Chrome | 9/12/2023 | 1090 | |
| api.PerformanceResourceTiming.deliveryType.navigational-prefetch 📋 | Chrome | 9/12/2023 | 1090 | |
| api.PerformanceResourceTiming.finalResponseHeadersStart 📋 | Chrome | 2/4/2025 | 579 | |
| api.PerformanceResourceTiming.firstInterimResponseStart 📋 | Chrome | 7/18/2023 | 1146 | |
| api.PerformanceResourceTiming.renderBlockingStatus 📋 | Chrome | 10/25/2022 | 1412 | |
| api.PerformanceResourceTiming.responseStatus 📋 | Chrome | 1/10/2023 | 1335 | |
| api.PerformanceResourceTiming.worker_support | Chrome | 5/19/2015 | 4128 | |
| api.PerformanceScriptTiming 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.executionStart 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.forcedStyleAndLayoutDuration 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.invoker 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.invokerType 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.pauseDuration 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.sourceCharPosition 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.sourceFunctionName 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.sourceURL 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.toJSON 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.window 📋 | Chrome | 3/19/2024 | 901 | |
| api.PerformanceScriptTiming.windowAttribution 📋 | Chrome | 3/19/2024 | 901 | |
| api.PeriodicSyncEvent 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PeriodicSyncEvent.PeriodicSyncEvent 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PeriodicSyncEvent.tag 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PeriodicSyncManager 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PeriodicSyncManager.getTags 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PeriodicSyncManager.register 📋 | Chrome | 2/4/2020 | 2406 | |
| api.PeriodicSyncManager.unregister 📋 | Chrome | 2/4/2020 | 2406 | |
| api.Permissions.permission_accelerometer | Chrome | 10/17/2017 | 3246 | |
| api.Permissions.permission_accessibility-events | Chrome | 10/17/2017 | 3246 | |
| api.Permissions.permission_ambient-light-sensor | Chrome | 10/17/2017 | 3246 | |
| api.Permissions.permission_background-sync | Chrome | 10/17/2017 | 3246 | |
| api.Permissions.permission_clipboard-read | Chrome | 1/23/2018 | 3148 | |
| api.Permissions.permission_clipboard-write 📋 | Chrome | 1/23/2018 | 3148 | |
| api.Permissions.permission_compute-pressure 📋 | Chrome | 5/14/2024 | 845 | |
| api.Permissions.permission_gyroscope | Chrome | 5/25/2016 | 3756 | |
| api.Permissions.permission_local-fonts | Chrome | 6/21/2022 | 1538 | |
| api.Permissions.permission_magnetometer | Chrome | 10/17/2017 | 3246 | |
| api.Permissions.permission_midi 📋 | Chrome | 5/19/2015 | 4128 | |
| api.Permissions.permission_payment-handler | Chrome | 4/17/2018 | 3064 | |
| api.Permissions.permission_persistent-storage | Firefox | 4/19/2017 | 3427 | |
| api.Permissions.permission_screen-wake-lock 📋 | Edge | 7/16/2020 | 2243 | |
| api.Permissions.permission_storage-access 📋 | Edge | 8/27/2020 | 2201 | |
| api.Permissions.permission_top-level-storage-access 📋 | Chrome | 5/2/2023 | 1223 | |
| api.Permissions.permission_window-management 📋 | Chrome | 3/7/2023 | 1279 | |
| api.Permissions.request 📋 | Chrome | 10/13/2015 | 3981 | |
| api.Permissions.requestAll | Chrome | 1/20/2016 | 3882 | |
| api.Permissions.revoke 📋 | Chrome | 10/13/2015 | 3981 | |
| api.PictureInPictureEvent 📋 | Chrome | 8/25/2020 | 2203 | |
| api.PictureInPictureEvent.PictureInPictureEvent 📋 | Chrome | 8/25/2020 | 2203 | |
| api.PictureInPictureEvent.pictureInPictureWindow 📋 | Chrome | 9/4/2018 | 2924 | |
| api.PictureInPictureWindow 📋 | Chrome | 9/4/2018 | 2924 | |
| api.PictureInPictureWindow.height 📋 | Chrome | 9/4/2018 | 2924 | |
| api.PictureInPictureWindow.resize_event 📋 | Chrome | 9/4/2018 | 2924 | |
| api.PictureInPictureWindow.width 📋 | Chrome | 9/4/2018 | 2924 | |
| api.PointerEvent.persistentDeviceId 📋 | Chrome | 8/20/2024 | 747 | |
| api.PointerEvent.pointerType.fractional_coordinates | Chrome | 1/23/2018 | 3148 | Chrome: movementX and movementY are not fractional, see bug 41364801.Chrome Android: movementX and movementY are not fractional, see bug 41364801.Edge: movementX and movementY are not fractional, see bug 41364801.Edge: Only clientX, clientY, pageX and pageY are fractional.Internet Explorer: Only clientX, clientY, pageX and pageY are fractional.Quest Browser: movementX and movementY are not fractional, see bug 41364801.Opera: movementX and movementY are not fractional, see bug 41364801.Opera Android: movementX and movementY are not fractional, see bug 41364801.Samsung Internet: movementX and movementY are not fractional, see bug 41364801.WebView Android: movementX and movementY are not fractional, see bug 41364801. |
| api.PopStateEvent.hasUAVisualTransition 📋 | Chrome | 10/10/2023 | 1062 | |
| api.PositionSensorVRDevice | Firefox | 7/2/2015 | 4084 | |
| api.PositionSensorVRDevice.getImmediateState | Firefox | 7/2/2015 | 4084 | |
| api.PositionSensorVRDevice.getState | Firefox | 7/2/2015 | 4084 | |
| api.PositionSensorVRDevice.resetSensor | Firefox | 7/2/2015 | 4084 | |
| api.Presentation 📋 | Chrome | 12/1/2015 | 3932 | |
| api.Presentation.defaultRequest 📋 | Chrome | 12/1/2015 | 3932 | |
| api.Presentation.receiver 📋 | Chrome | 6/5/2017 | 3380 | |
| api.PresentationAvailability 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationAvailability.change_event 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationAvailability.value 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationConnection 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationConnection.binaryType 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationConnection.close 📋 | Chrome | 3/2/2016 | 3840 | |
| api.PresentationConnection.close_event | Chrome | 4/13/2016 | 3798 | |
| api.PresentationConnection.connect_event | Chrome | 4/13/2016 | 3798 | |
| api.PresentationConnection.id 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationConnection.message_event | Chrome | 12/1/2015 | 3932 | |
| api.PresentationConnection.send 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationConnection.state 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationConnection.terminate 📋 | Chrome | 1/20/2016 | 3882 | |
| api.PresentationConnection.terminate_event | Chrome | 4/13/2016 | 3798 | |
| api.PresentationConnection.url 📋 | Chrome | 3/9/2017 | 3468 | |
| api.PresentationConnectionAvailableEvent 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationConnectionAvailableEvent.PresentationConnectionAvailableEvent 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationConnectionAvailableEvent.connection 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationConnectionCloseEvent 📋 | Chrome | 4/13/2016 | 3798 | |
| api.PresentationConnectionCloseEvent.PresentationConnectionCloseEvent 📋 | Chrome | 4/13/2016 | 3798 | |
| api.PresentationConnectionCloseEvent.message 📋 | Chrome | 4/13/2016 | 3798 | |
| api.PresentationConnectionCloseEvent.reason 📋 | Chrome | 4/13/2016 | 3798 | |
| api.PresentationConnectionList 📋 | Chrome | 6/5/2017 | 3380 | |
| api.PresentationConnectionList.connectionavailable_event | Chrome | 6/5/2017 | 3380 | |
| api.PresentationConnectionList.connections 📋 | Chrome | 6/5/2017 | 3380 | |
| api.PresentationReceiver 📋 | Chrome | 6/5/2017 | 3380 | |
| api.PresentationReceiver.connectionList 📋 | Chrome | 6/5/2017 | 3380 | |
| api.PresentationRequest 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationRequest.PresentationRequest 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationRequest.connectionavailable_event 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationRequest.getAvailability 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationRequest.reconnect 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PresentationRequest.secure_context_required | Chrome | 9/5/2017 | 3288 | |
| api.PresentationRequest.start 📋 | Chrome | 12/1/2015 | 3932 | |
| api.PressureObserver 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureObserver.PressureObserver 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureObserver.disconnect 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureObserver.knownSources_static 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureObserver.observe 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureObserver.takeRecords 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureObserver.unobserve 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureRecord 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureRecord.source 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureRecord.state 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureRecord.time 📋 | Chrome | 5/14/2024 | 845 | |
| api.PressureRecord.toJSON 📋 | Chrome | 5/14/2024 | 845 | |
| api.Profiler 📋 | Chrome | 9/21/2021 | 1811 | |
| api.Profiler.Profiler 📋 | Chrome | 9/21/2021 | 1811 | |
| api.Profiler.sampleInterval 📋 | Chrome | 9/21/2021 | 1811 | |
| api.Profiler.stop 📋 | Chrome | 9/21/2021 | 1811 | |
| api.Profiler.stopped 📋 | Chrome | 9/21/2021 | 1811 | |
| api.ProtectedAudience 📋 | Chrome | 7/23/2024 | 775 | |
| api.ProtectedAudience.queryFeatureSupport 📋 | Chrome | 7/23/2024 | 775 | |
| api.PublicKeyCredential.parseCreationOptionsFromJSON_static 📋 | Firefox | 10/24/2023 | 1048 | |
| api.PublicKeyCredential.parseRequestOptionsFromJSON_static 📋 | Firefox | 10/24/2023 | 1048 | |
| api.PublicKeyCredential.signalAllAcceptedCredentials_static 📋 | Chrome | 1/14/2025 | 600 | |
| api.PublicKeyCredential.signalCurrentUserDetails_static 📋 | Chrome | 1/14/2025 | 600 | |
| api.PublicKeyCredential.signalUnknownCredential_static 📋 | Chrome | 1/14/2025 | 600 | |
| api.PublicKeyCredential.toJSON 📋 | Firefox | 10/24/2023 | 1048 | |
| api.PushManager.hasPermission | Chrome | 4/14/2015 | 4163 | |
| api.PushManager.register | Chrome | 4/14/2015 | 4163 | |
| api.PushManager.registrations | Chrome | 4/14/2015 | 4163 | |
| api.PushManager.unregister | Chrome | 4/14/2015 | 4163 | |
| api.PushSubscription.subscriptionId | Chrome | 4/14/2015 | 4163 | |
| api.PushSubscriptionChangeEvent 📋 | Safari | 9/12/2022 | 1455 | Firefox: The pushsubscriptionchange event is fired but does not have the oldSubscription and newSubscription properties. See bug 1497429.Firefox for Android: The pushsubscriptionchange event is fired but does not have the oldSubscription and newSubscription properties. See bug 1497429.Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen. |
| api.PushSubscriptionChangeEvent.PushSubscriptionChangeEvent 📋 | Safari | 10/24/2022 | 1413 | Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen. |
| api.PushSubscriptionChangeEvent.newSubscription 📋 | Safari | 9/12/2022 | 1455 | Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen. |
| api.PushSubscriptionChangeEvent.oldSubscription 📋 | Safari | 9/12/2022 | 1455 | Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen. |
| api.PushSubscriptionOptions.userVisibleOnly 📋 | Chrome | 10/12/2016 | 3616 | Safari: Notifications are supported on macOS Ventura and later.Safari on iOS: Notifications are supported in web apps saved to the home screen.WebView on iOS: Notifications are supported in web apps saved to the home screen. |
| api.RGBColor | Safari on iOS | 6/29/2007 | 7009 | |
| api.RGBColor.blue | Safari on iOS | 6/29/2007 | 7009 | |
| api.RGBColor.green | Safari on iOS | 6/29/2007 | 7009 | |
| api.RGBColor.red | Safari on iOS | 6/29/2007 | 7009 | |
| api.RTCCertificate.getFingerprints 📋 | Chrome | 9/5/2017 | 3288 | |
| api.RTCDataChannel.closing_event 📋 | Chrome | 4/7/2020 | 2343 | |
| api.RTCDataChannel.priority 📋 | Safari | 9/20/2021 | 1812 | |
| api.RTCDataChannel.reliable | Chrome | 1/10/2013 | 4987 | |
| api.RTCDataChannel.sctp_sdp_21 | Chrome | 4/19/2017 | 3427 | |
| api.RTCDataChannel.transferable 📋 | Safari | 9/20/2021 | 1812 | |
| api.RTCDtlsTransport.error_event | Edge | 7/29/2015 | 4057 | |
| api.RTCDtlsTransport.getRemoteCertificates 📋 | Edge | 7/29/2015 | 4057 | |
| api.RTCEncodedAudioFrame.RTCEncodedAudioFrame 📋 | Chrome | 7/23/2024 | 775 | |
| api.RTCEncodedVideoFrame.RTCEncodedVideoFrame 📋 | Chrome | 7/23/2024 | 775 | |
| api.RTCError 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCError.RTCError 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCError.errorDetail 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCError.httpRequestStatusCode 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCError.receivedAlert 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCError.sctpCauseCode 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCError.sdpLineNumber 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCError.sentAlert 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCErrorEvent 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCErrorEvent.RTCErrorEvent 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCErrorEvent.error 📋 | Chrome | 4/23/2019 | 2693 | |
| api.RTCIceCandidate.relayProtocol 📋 | Chrome | 4/16/2024 | 873 | Firefox: See bug 1886013.Firefox for Android: See bug 1886013. |
| api.RTCIceCandidate.url 📋 | Chrome | 4/16/2024 | 873 | Firefox: See bug 1886013.Firefox for Android: See bug 1886013. |
| api.RTCIceTransport.getLocalCandidates 📋 | Chrome | 6/4/2019 | 2651 | |
| api.RTCIceTransport.getLocalParameters 📋 | Chrome | 6/4/2019 | 2651 | |
| api.RTCIceTransport.getRemoteCandidates 📋 | Edge | 11/12/2015 | 3951 | |
| api.RTCIceTransport.getRemoteParameters 📋 | Edge | 11/12/2015 | 3951 | |
| api.RTCIceTransport.getSelectedCandidatePair 📋 | Chrome | 6/4/2019 | 2651 | |
| api.RTCIceTransport.role 📋 | Edge | 11/12/2015 | 3951 | |
| api.RTCIceTransport.selectedcandidatepairchange_event 📋 | Chrome | 6/4/2019 | 2651 | |
| api.RTCIdentityAssertion 📋 | Firefox | 8/11/2015 | 4044 | Firefox: The RTCIdentityAssertion interface itself is not present, but an object with the same properties is usedFirefox for Android: The RTCIdentityAssertion interface itself is not present, but an object with the same properties is used |
| api.RTCIdentityAssertion.idp 📋 | Firefox | 8/11/2015 | 4044 | |
| api.RTCIdentityAssertion.name 📋 | Firefox | 8/11/2015 | 4044 | |
| api.RTCPeerConnection.RTCPeerConnection.configuration_iceCandidatePoolSize_parameter | Chrome | 6/5/2017 | 3380 | |
| api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter.credentialType_parameter | Firefox | 6/7/2016 | 3743 | |
| api.RTCPeerConnection.RTCPeerConnection.configuration_iceServers_parameter.url_parameter | Firefox | 6/25/2013 | 4821 | |
| api.RTCPeerConnection.RTCPeerConnection.configuration_peerIdentity_parameter | Firefox | 9/2/2014 | 4387 | |
| api.RTCPeerConnection.RTCPeerConnection.configuration_rtcpMuxPolicy_parameter | Chrome | 3/9/2017 | 3468 | Chrome: Default for rtcpMuxPolicy is requireEdge: Default for rtcpMuxPolicy is requireOpera: Default for rtcpMuxPolicy is require |
| api.RTCPeerConnection.addStream | Chrome | 1/10/2013 | 4987 | |
| api.RTCPeerConnection.addstream_event | Chrome | 1/10/2013 | 4987 | |
| api.RTCPeerConnection.createDTMFSender | Chrome | 5/21/2013 | 4856 | |
| api.RTCPeerConnection.getIdentityAssertion 📋 | Firefox | 8/11/2015 | 4044 | |
| api.RTCPeerConnection.getLocalStreams | Chrome | 5/21/2013 | 4856 | |
| api.RTCPeerConnection.getReceivers.stopped_transceivers_removed | Chrome | 1/19/2021 | 2056 | |
| api.RTCPeerConnection.getRemoteStreams | Chrome | 5/21/2013 | 4856 | |
| api.RTCPeerConnection.getSenders.stopped_transceivers_removed | Chrome | 1/19/2021 | 2056 | |
| api.RTCPeerConnection.getTransceivers.stopped_transceivers_removed | Chrome | 1/19/2021 | 2056 | |
| api.RTCPeerConnection.icecandidateerror_event 📋 | Chrome | 9/10/2019 | 2553 | |
| api.RTCPeerConnection.idpLoginUrl 📋 | Firefox | 8/11/2015 | 4044 | |
| api.RTCPeerConnection.peerIdentity 📋 | Firefox | 8/11/2015 | 4044 | |
| api.RTCPeerConnection.removeStream | Chrome | 1/10/2013 | 4987 | |
| api.RTCPeerConnection.removestream_event | Chrome | 1/10/2013 | 4987 | |
| api.RTCPeerConnection.setIdentityProvider 📋 | Firefox | 8/11/2015 | 4044 | |
| api.RTCPeerConnectionIceErrorEvent 📋 | Chrome | 9/10/2019 | 2553 | |
| api.RTCPeerConnectionIceErrorEvent.RTCPeerConnectionIceErrorEvent 📋 | Chrome | 9/10/2019 | 2553 | |
| api.RTCPeerConnectionIceErrorEvent.address 📋 | Chrome | 4/7/2020 | 2343 | |
| api.RTCPeerConnectionIceErrorEvent.errorCode 📋 | Chrome | 9/10/2019 | 2553 | |
| api.RTCPeerConnectionIceErrorEvent.errorText 📋 | Chrome | 9/10/2019 | 2553 | |
| api.RTCPeerConnectionIceErrorEvent.hostCandidate | Chrome | 9/10/2019 | 2553 | |
| api.RTCPeerConnectionIceErrorEvent.port 📋 | Chrome | 4/7/2020 | 2343 | |
| api.RTCPeerConnectionIceErrorEvent.url 📋 | Chrome | 9/10/2019 | 2553 | |
| api.RTCPeerConnectionIceEvent.url 📋 | Safari | 9/17/2018 | 2911 | |
| api.RTCRtpReceiver.createEncodedStreams | Edge | 10/9/2020 | 2158 | |
| api.RTCRtpReceiver.getContributingSources.rtpTimestamp 📋 | Chrome | 7/30/2019 | 2595 | |
| api.RTCRtpReceiver.getParameters.return_object_property_headerExtensions 📋 | Safari | 9/19/2017 | 3274 | |
| api.RTCRtpReceiver.getParameters.return_object_property_rtcp 📋 | Chrome | 9/4/2018 | 2924 | |
| api.RTCRtpReceiver.jitterBufferTarget 📋 | Firefox | 7/4/2023 | 1160 | |
| api.RTCRtpReceiver.rtcpTransport | Edge | 7/29/2015 | 4057 | |
| api.RTCRtpReceiver.transform 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCRtpScriptTransform 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCRtpScriptTransform.RTCRtpScriptTransform 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCRtpScriptTransformer 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCRtpScriptTransformer.generateKeyFrame 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCRtpScriptTransformer.options 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCRtpScriptTransformer.readable 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCRtpScriptTransformer.sendKeyFrameRequest 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCRtpScriptTransformer.writable 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCRtpSender.createEncodedStreams | Edge | 10/9/2020 | 2158 | |
| api.RTCRtpSender.getParameters.return_object_property_degradationPreference | Safari | 3/25/2019 | 2722 | |
| api.RTCRtpSender.getParameters.return_object_property_transactionId 📋 | Chrome | 9/4/2018 | 2924 | |
| api.RTCRtpSender.rtcpTransport | Edge | 11/12/2015 | 3951 | |
| api.RTCRtpSender.setParameters.parameters_degradationPreference_parameter | Safari | 3/25/2019 | 2722 | |
| api.RTCRtpSender.setParameters.parameters_encodings_parameter.dtx | Safari | 9/19/2017 | 3274 | |
| api.RTCRtpSender.setParameters.parameters_encodings_parameter.rid | Firefox | 4/26/2016 | 3785 | |
| api.RTCRtpSender.setParameters.parameters_encodings_parameter.scaleResolutionDownBy 📋 | Firefox | 4/26/2016 | 3785 | |
| api.RTCRtpSender.setParameters.parameters_transactionId_parameter 📋 | Chrome | 9/4/2018 | 2924 | |
| api.RTCRtpSender.transform 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCRtpTransceiver.currentDirection.stopped_value 📋 | Chrome | 6/21/2022 | 1538 | |
| api.RTCRtpTransceiver.direction.value_stopped 📋 | Chrome | 6/21/2022 | 1538 | |
| api.RTCRtpTransceiver.getHeaderExtensionsToNegotiate 📋 | Chrome | 9/12/2023 | 1090 | |
| api.RTCRtpTransceiver.getNegotiatedHeaderExtensions 📋 | Chrome | 9/12/2023 | 1090 | |
| api.RTCRtpTransceiver.setHeaderExtensionsToNegotiate 📋 | Chrome | 9/12/2023 | 1090 | |
| api.RTCStatsReport.type_candidate-pair.availableOutgoingBitrate 📋 | Chrome | 4/19/2017 | 3427 | |
| api.RTCStatsReport.type_candidate-pair.bytesDiscardedOnSend 📋 | Chrome | 11/15/2021 | 1756 | |
| api.RTCStatsReport.type_candidate-pair.consentRequestsSent 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_candidate-pair.currentRoundTripTime 📋 | Chrome | 12/4/2018 | 2833 | |
| api.RTCStatsReport.type_candidate-pair.lastPacketReceivedTimestamp 📋 | Firefox | 9/28/2017 | 3265 | |
| api.RTCStatsReport.type_candidate-pair.lastPacketSentTimestamp 📋 | Firefox | 9/28/2017 | 3265 | |
| api.RTCStatsReport.type_candidate-pair.packetsDiscardedOnSend 📋 | Chrome | 11/15/2021 | 1756 | |
| api.RTCStatsReport.type_candidate-pair.packetsReceived 📋 | Chrome | 11/15/2021 | 1756 | |
| api.RTCStatsReport.type_candidate-pair.packetsSent 📋 | Chrome | 11/15/2021 | 1756 | |
| api.RTCStatsReport.type_candidate-pair.priority | Firefox | 11/3/2015 | 3960 | |
| api.RTCStatsReport.type_candidate-pair.requestsReceived 📋 | Chrome | 4/19/2017 | 3427 | |
| api.RTCStatsReport.type_candidate-pair.requestsSent 📋 | Chrome | 4/19/2017 | 3427 | |
| api.RTCStatsReport.type_candidate-pair.responsesReceived 📋 | Chrome | 4/19/2017 | 3427 | |
| api.RTCStatsReport.type_candidate-pair.responsesSent 📋 | Chrome | 4/19/2017 | 3427 | |
| api.RTCStatsReport.type_candidate-pair.totalRoundTripTime 📋 | Safari | 9/19/2017 | 3274 | |
| api.RTCStatsReport.type_certificate 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_certificate.base64Certificate 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_certificate.fingerprint 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_certificate.fingerprintAlgorithm 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_certificate.id 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_certificate.timestamp 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_certificate.type 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_codec.transportId 📋 | Chrome | 3/2/2021 | 2014 | |
| api.RTCStatsReport.type_data-channel.dataChannelIdentifier 📋 | Firefox | 7/28/2020 | 2231 | |
| api.RTCStatsReport.type_inbound-rtp.audioLevel 📋 | Edge | 10/9/2020 | 2158 | |
| api.RTCStatsReport.type_inbound-rtp.codecId 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_inbound-rtp.frameHeight 📋 | Edge | 10/9/2020 | 2158 | |
| api.RTCStatsReport.type_inbound-rtp.frameWidth 📋 | Edge | 10/9/2020 | 2158 | |
| api.RTCStatsReport.type_inbound-rtp.framesDecoded 📋 | Chrome | 12/10/2019 | 2462 | |
| api.RTCStatsReport.type_inbound-rtp.framesPerSecond 📋 | Edge | 10/9/2020 | 2158 | |
| api.RTCStatsReport.type_inbound-rtp.framesReceived 📋 | Edge | 10/9/2020 | 2158 | |
| api.RTCStatsReport.type_inbound-rtp.jitterBufferMinimumDelay 📋 | Edge | 9/1/2022 | 1466 | |
| api.RTCStatsReport.type_inbound-rtp.jitterBufferTargetDelay 📋 | Edge | 9/1/2022 | 1466 | |
| api.RTCStatsReport.type_inbound-rtp.keyFramesDecoded 📋 | Chrome | 12/10/2019 | 2462 | |
| api.RTCStatsReport.type_inbound-rtp.lastPacketReceivedTimestamp 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_inbound-rtp.nackCount 📋 | Firefox | 8/8/2017 | 3316 | |
| api.RTCStatsReport.type_inbound-rtp.playoutId 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_inbound-rtp.qpSum 📋 | Chrome | 12/10/2019 | 2462 | |
| api.RTCStatsReport.type_inbound-rtp.remoteId 📋 | Firefox | 7/9/2019 | 2616 | |
| api.RTCStatsReport.type_inbound-rtp.totalDecodeTime 📋 | Chrome | 12/10/2019 | 2462 | |
| api.RTCStatsReport.type_inbound-rtp.totalInterFrameDelay 📋 | Chrome | 12/10/2019 | 2462 | |
| api.RTCStatsReport.type_inbound-rtp.totalProcessingDelay 📋 | Chrome | 6/21/2022 | 1538 | |
| api.RTCStatsReport.type_inbound-rtp.totalSquaredInterFrameDelay 📋 | Chrome | 12/10/2019 | 2462 | |
| api.RTCStatsReport.type_inbound-rtp.transportId 📋 | Safari | 9/19/2017 | 3274 | |
| api.RTCStatsReport.type_local-candidate.address 📋 | Firefox | 1/29/2019 | 2777 | |
| api.RTCStatsReport.type_local-candidate.foundation 📋 | Chrome | 11/29/2022 | 1377 | |
| api.RTCStatsReport.type_local-candidate.usernameFragment 📋 | Chrome | 11/29/2022 | 1377 | |
| api.RTCStatsReport.type_media-playout 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_media-playout.id 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_media-playout.kind 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_media-playout.synthesizedSamplesDuration 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_media-playout.synthesizedSamplesEvents 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_media-playout.timestamp 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_media-playout.totalPlayoutDelay 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_media-playout.totalSamplesCount 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_media-playout.totalSamplesDuration 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_media-playout.type 📋 | Chrome | 3/7/2023 | 1279 | |
| api.RTCStatsReport.type_media-source.audioLevel 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_media-source.frames 📋 | Chrome | 4/13/2021 | 1972 | |
| api.RTCStatsReport.type_media-source.framesPerSecond 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_media-source.height 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_media-source.totalAudioEnergy 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_media-source.totalSamplesDuration 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_media-source.width 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_outbound-rtp.active 📋 | Chrome | 9/27/2022 | 1440 | |
| api.RTCStatsReport.type_outbound-rtp.frameHeight 📋 | Edge | 7/16/2020 | 2243 | |
| api.RTCStatsReport.type_outbound-rtp.frameWidth 📋 | Edge | 7/16/2020 | 2243 | |
| api.RTCStatsReport.type_outbound-rtp.framesEncoded 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_outbound-rtp.framesPerSecond 📋 | Edge | 7/16/2020 | 2243 | |
| api.RTCStatsReport.type_outbound-rtp.framesSent 📋 | Edge | 7/16/2020 | 2243 | |
| api.RTCStatsReport.type_outbound-rtp.keyFramesEncoded 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_outbound-rtp.mediaSourceId 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_outbound-rtp.mid 📋 | Edge | 9/1/2022 | 1466 | |
| api.RTCStatsReport.type_outbound-rtp.qpSum 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_outbound-rtp.qualityLimitationDurations 📋 | Chrome | 8/31/2021 | 1832 | |
| api.RTCStatsReport.type_outbound-rtp.qualityLimitationReason 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_outbound-rtp.remoteId 📋 | Firefox | 2/4/2014 | 4597 | |
| api.RTCStatsReport.type_outbound-rtp.rid 📋 | Edge | 9/1/2022 | 1466 | |
| api.RTCStatsReport.type_outbound-rtp.scalabilityMode 📋 | Chrome | 2/7/2023 | 1307 | |
| api.RTCStatsReport.type_outbound-rtp.targetBitrate 📋 | Chrome | 2/1/2022 | 1678 | |
| api.RTCStatsReport.type_outbound-rtp.totalEncodeTime 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_outbound-rtp.totalEncodedBytesTarget 📋 | Firefox | 6/28/2022 | 1531 | |
| api.RTCStatsReport.type_outbound-rtp.totalPacketSendDelay 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_outbound-rtp.transportId 📋 | Safari | 9/19/2017 | 3274 | |
| api.RTCStatsReport.type_remote-candidate.address 📋 | Firefox | 1/29/2019 | 2777 | |
| api.RTCStatsReport.type_remote-candidate.foundation 📋 | Chrome | 11/29/2022 | 1377 | |
| api.RTCStatsReport.type_remote-candidate.usernameFragment 📋 | Chrome | 11/29/2022 | 1377 | |
| api.RTCStatsReport.type_remote-inbound-rtp.fractionLost 📋 | Chrome | 5/25/2021 | 1930 | |
| api.RTCStatsReport.type_remote-inbound-rtp.jitter 📋 | Firefox | 1/7/2020 | 2434 | |
| api.RTCStatsReport.type_remote-inbound-rtp.packetsLost 📋 | Firefox | 1/7/2020 | 2434 | |
| api.RTCStatsReport.type_remote-inbound-rtp.packetsReceived 📋 | Firefox | 1/7/2020 | 2434 | |
| api.RTCStatsReport.type_remote-inbound-rtp.roundTripTimeMeasurements 📋 | Chrome | 5/25/2021 | 1930 | |
| api.RTCStatsReport.type_remote-inbound-rtp.totalRoundTripTime 📋 | Chrome | 5/25/2021 | 1930 | |
| api.RTCStatsReport.type_remote-inbound-rtp.transportId 📋 | Safari | 9/19/2017 | 3274 | |
| api.RTCStatsReport.type_remote-outbound-rtp.bytesSent 📋 | Firefox | 1/7/2020 | 2434 | |
| api.RTCStatsReport.type_remote-outbound-rtp.id 📋 | Firefox | 1/7/2020 | 2434 | |
| api.RTCStatsReport.type_remote-outbound-rtp.localId 📋 | Firefox | 7/9/2019 | 2616 | |
| api.RTCStatsReport.type_remote-outbound-rtp.packetsSent 📋 | Firefox | 1/7/2020 | 2434 | |
| api.RTCStatsReport.type_remote-outbound-rtp.remoteTimestamp 📋 | Firefox | 7/28/2020 | 2231 | |
| api.RTCStatsReport.type_remote-outbound-rtp.reportsSent 📋 | Chrome | 5/25/2021 | 1930 | |
| api.RTCStatsReport.type_remote-outbound-rtp.roundTripTimeMeasurements 📋 | Chrome | 11/15/2021 | 1756 | |
| api.RTCStatsReport.type_remote-outbound-rtp.timestamp 📋 | Firefox | 1/7/2020 | 2434 | |
| api.RTCStatsReport.type_remote-outbound-rtp.totalRoundTripTime 📋 | Chrome | 11/15/2021 | 1756 | |
| api.RTCStatsReport.type_remote-outbound-rtp.transportId 📋 | Safari | 9/19/2017 | 3274 | |
| api.RTCStatsReport.type_remote-outbound-rtp.type 📋 | Firefox | 1/7/2020 | 2434 | |
| api.RTCStatsReport.type_transport 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.bytesReceived 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.bytesSent 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.dtlsCipher 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.dtlsRole 📋 | Chrome | 6/21/2022 | 1538 | |
| api.RTCStatsReport.type_transport.dtlsState 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.iceLocalUsernameFragment 📋 | Chrome | 6/21/2022 | 1538 | |
| api.RTCStatsReport.type_transport.iceRole 📋 | Chrome | 6/21/2022 | 1538 | |
| api.RTCStatsReport.type_transport.iceState 📋 | Chrome | 6/21/2022 | 1538 | |
| api.RTCStatsReport.type_transport.id 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.localCertificateId 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.packetsReceived 📋 | Edge | 10/9/2020 | 2158 | |
| api.RTCStatsReport.type_transport.packetsSent 📋 | Edge | 10/9/2020 | 2158 | |
| api.RTCStatsReport.type_transport.remoteCertificateId 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.selectedCandidatePairChanges 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.selectedCandidatePairId 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.srtpCipher 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.timestamp 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.tlsVersion 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCStatsReport.type_transport.type 📋 | Chrome | 2/4/2020 | 2406 | |
| api.RTCTransformEvent 📋 | Safari | 3/14/2022 | 1637 | |
| api.RTCTransformEvent.transformer 📋 | Safari | 3/14/2022 | 1637 | |
| api.Range.compareNode | Safari on iOS | 6/29/2007 | 7009 | |
| api.Range.detach 📋 | Safari | 6/23/2003 | 8476 | Chrome: Starting in Chrome 37, this method is a no-op and has no effect.Chrome Android: Starting in Chrome Android 37, this method is a no-op and has no effect.Firefox: Starting in Firefox 15.0, this method is a no-op and has no effect.Firefox for Android: Starting in Firefox for Android 15.0, this method is a no-op and has no effect.Quest Browser: Starting in Quest Browser 5.0, this method is a no-op and has no effect.Opera: Starting in Opera 24, this method is a no-op and has no effect.Opera Android: Starting in Opera 24, this method is a no-op and has no effect.Safari: Starting in Safari 10, this method is a no-op and has no effect, see bug 148454.Safari on iOS: Starting in Safari on iOS 10, this method is a no-op and has no effect, see bug 148454.Samsung Internet: Starting in Samsung Internet 3.0, this method is a no-op and has no effect.WebView Android: Starting in WebView Android 37, this method is a no-op and has no effect.WebView on iOS: Starting in WebView on iOS 10, this method is a no-op and has no effect, see bug 148454. |
| api.ReadableByteStreamController 📋 | Chrome | 3/2/2021 | 2014 | Deno: ReadableByteStreamController is not exposed on the global scope.Node.js: Before 18.10.0, handling a BYOB pull request from a released reader is not supported.Node.js: Available as a part of the stream/web module. |
| api.ReadableByteStreamController.byobRequest 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableByteStreamController.close 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableByteStreamController.desiredSize 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableByteStreamController.enqueue 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableByteStreamController.error 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableStream.@@asyncIterator 📋 | Firefox | 2/14/2023 | 1300 | |
| api.ReadableStream.from_static 📋 | Firefox | 8/29/2023 | 1104 | |
| api.ReadableStream.transferable 📋 | Chrome | 11/17/2020 | 2119 | |
| api.ReadableStream.values 📋 | Firefox | 2/14/2023 | 1300 | |
| api.ReadableStreamBYOBReader 📋 | Chrome | 3/2/2021 | 2014 | Node.js: Available as a part of the stream/web module. |
| api.ReadableStreamBYOBReader.ReadableStreamBYOBReader 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableStreamBYOBReader.cancel 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableStreamBYOBReader.closed 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableStreamBYOBReader.read 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableStreamBYOBReader.read.options_min_parameter 📋 | Firefox | 1/7/2025 | 607 | |
| api.ReadableStreamBYOBReader.releaseLock 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableStreamBYOBReader.releaseLock.reject_pending_read_request | Firefox | 6/28/2022 | 1531 | Chrome: Before version 105, releaseLock() throws instead of rejecting.Chrome Android: Before version 105, releaseLock() throws instead of rejecting.Edge: Before version 105, releaseLock() throws instead of rejecting.Opera: Before version 91, releaseLock() throws instead of rejecting.Opera Android: Before version 72, releaseLock() throws instead of rejecting.Samsung Internet: Before version 20.0, releaseLock() throws instead of rejecting.WebView Android: Before version 105, releaseLock() throws instead of rejecting. |
| api.ReadableStreamBYOBRequest 📋 | Chrome | 3/2/2021 | 2014 | Node.js: Available as a part of the stream/web module. |
| api.ReadableStreamBYOBRequest.respond 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableStreamBYOBRequest.respondWithNewView 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ReadableStreamBYOBRequest.view 📋 | Chrome | 3/2/2021 | 2014 | |
| api.Rect | Safari on iOS | 6/29/2007 | 7009 | |
| api.Rect.bottom | Safari on iOS | 6/29/2007 | 7009 | |
| api.Rect.left | Safari on iOS | 6/29/2007 | 7009 | |
| api.Rect.right | Safari on iOS | 6/29/2007 | 7009 | |
| api.Rect.top | Safari on iOS | 6/29/2007 | 7009 | |
| api.RelativeOrientationSensor 📋 | Chrome | 5/29/2018 | 3022 | |
| api.RelativeOrientationSensor.RelativeOrientationSensor 📋 | Chrome | 5/29/2018 | 3022 | |
| api.RemotePlayback 📋 | Chrome Android | 2/1/2017 | 3504 | |
| api.RemotePlayback.cancelWatchAvailability 📋 | Chrome Android | 2/1/2017 | 3504 | |
| api.RemotePlayback.connect_event 📋 | Chrome Android | 2/1/2017 | 3504 | |
| api.RemotePlayback.connecting_event 📋 | Chrome Android | 2/1/2017 | 3504 | |
| api.RemotePlayback.disconnect_event 📋 | Chrome Android | 2/1/2017 | 3504 | |
| api.RemotePlayback.prompt 📋 | Chrome Android | 2/1/2017 | 3504 | |
| api.RemotePlayback.state 📋 | Chrome Android | 2/1/2017 | 3504 | |
| api.RemotePlayback.watchAvailability 📋 | Chrome Android | 2/1/2017 | 3504 | |
| api.ReportingObserver.worker_support | Firefox | 6/2/2020 | 2287 | |
| api.Request.Request.init_attributionReporting_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.Request.Request.init_browsingTopics_parameter | Chrome | 7/18/2023 | 1146 | |
| api.Request.Request.init_duplex_parameter 📋 | Edge | 9/1/2022 | 1466 | |
| api.Request.Request.request_body_readablestream | Edge | 9/1/2022 | 1466 | |
| api.Request.Request.response_body_readablestream | Chrome | 5/19/2015 | 4128 | |
| api.Request.body 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| api.Request.duplex 📋 | Chrome | 11/12/2024 | 663 | |
| api.Request.isHistoryNavigation 📋 | Chrome | 9/4/2018 | 2924 | |
| api.Request.targetAddressSpace 📋 | Chrome | 4/16/2024 | 873 | |
| api.ResizeObserverEntry.devicePixelContentBoxSize 📋 | Edge | 7/16/2020 | 2243 | |
| api.Response.body.readable_byte_stream | Firefox | 6/28/2022 | 1531 | |
| api.RestrictionTarget 📋 | Chrome | 1/14/2025 | 600 | |
| api.RestrictionTarget.fromElement_static 📋 | Chrome | 1/14/2025 | 600 | |
| api.SVGAElement.download 📋 | Firefox | 4/2/2013 | 4905 | |
| api.SVGAElement.hreflang 📋 | Firefox | 6/26/2018 | 2994 | |
| api.SVGAElement.ping 📋 | Firefox | 6/26/2018 | 2994 | Firefox: This property is exposed but has no effect if the browser.send_pings preference is not set to true. See bug 951104.Firefox for Android: This property is exposed but has no effect if the browser.send_pings preference is not set to true. See bug 951104. |
| api.SVGAElement.referrerPolicy 📋 | Firefox | 6/26/2018 | 2994 | |
| api.SVGAElement.rel 📋 | Firefox | 6/26/2018 | 2994 | |
| api.SVGAElement.relList 📋 | Firefox | 6/26/2018 | 2994 | |
| api.SVGAElement.type 📋 | Firefox | 6/26/2018 | 2994 | |
| api.SVGAnimateColorElement 📋 | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGElement.attributeStyleMap 📋 | Chrome | 4/17/2018 | 3064 | |
| api.SVGFEGaussianBlurElement.edgeMode 📋 | Safari on iOS | 9/17/2014 | 4372 | |
| api.SVGFEImageElement.crossOrigin 📋 | Firefox | 6/6/2023 | 1188 | |
| api.SVGGeometryElement.isPointInFill.point_parameter_DOMPoint | Safari | 9/17/2018 | 2911 | |
| api.SVGGeometryElement.isPointInStroke.point_parameter_DOMPoint | Safari | 9/17/2018 | 2911 | |
| api.SVGImageElement.decode 📋 | Chrome | 1/23/2018 | 3148 | |
| api.SVGImageElement.decoding 📋 | Chrome | 3/6/2018 | 3106 | |
| api.SVGMarkerElement.orient 📋 | Safari | 3/24/2020 | 2357 | |
| api.SVGPathElement.createSVGPathSegArcAbs | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegArcRel | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegClosePath | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegCurvetoCubicAbs | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegCurvetoCubicRel | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegCurvetoCubicSmoothAbs | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegCurvetoCubicSmoothRel | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegCurvetoQuadraticAbs | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegCurvetoQuadraticRel | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegCurvetoQuadraticSmoothAbs | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegCurvetoQuadraticSmoothRel | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegLinetoAbs | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegLinetoHorizontalAbs | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegLinetoHorizontalRel | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegLinetoRel | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegLinetoVerticalAbs | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegLinetoVerticalRel | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegMovetoAbs | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.createSVGPathSegMovetoRel | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGPathElement.getPathSegAtLength | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGSVGElement.checkEnclosure 📋 | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGSVGElement.checkIntersection 📋 | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGSVGElement.currentView | Safari on iOS | 9/18/2013 | 4736 | |
| api.SVGSVGElement.getEnclosureList 📋 | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGSVGElement.getIntersectionList 📋 | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGSVGElement.useCurrentView | Safari on iOS | 6/29/2007 | 7009 | |
| api.SVGScriptElement.async | Firefox | 8/29/2023 | 1104 | |
| api.SVGScriptElement.crossOrigin 📋 | Firefox | 7/17/2012 | 5164 | |
| api.SVGScriptElement.defer | Firefox | 8/29/2023 | 1104 | |
| api.Scheduler 📋 | Chrome | 9/21/2021 | 1811 | |
| api.Scheduler.postTask 📋 | Chrome | 9/21/2021 | 1811 | |
| api.Scheduler.yield 📋 | Chrome | 9/17/2024 | 719 | |
| api.Scheduling 📋 | Chrome | 11/17/2020 | 2119 | |
| api.Scheduling.isInputPending 📋 | Chrome | 11/17/2020 | 2119 | |
| api.Screen.change_event 📋 | Chrome | 3/29/2022 | 1622 | |
| api.Screen.isExtended 📋 | Chrome | 3/29/2022 | 1622 | |
| api.Screen.left | Firefox | 11/9/2004 | 7971 | |
| api.Screen.left.relative-multi-screen | Firefox | 11/9/2004 | 7971 | |
| api.Screen.lockOrientation | Firefox | 7/17/2012 | 5164 | |
| api.Screen.mozBrightness | Firefox | 4/24/2012 | 5248 | |
| api.Screen.mozEnabled | Firefox | 4/24/2012 | 5248 | |
| api.Screen.top | Firefox | 11/9/2004 | 7971 | |
| api.Screen.top.relative-multi-screen | Firefox | 11/9/2004 | 7971 | |
| api.Screen.unlockOrientation | Firefox | 7/17/2012 | 5164 | |
| api.ScreenDetailed 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetailed.availLeft 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetailed.availTop 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetailed.devicePixelRatio 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetailed.isInternal 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetailed.isPrimary 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetailed.label 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetailed.left 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetailed.top 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetails 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetails.currentScreen 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetails.currentscreenchange_event 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetails.screens 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenDetails.screenschange_event 📋 | Chrome | 3/29/2022 | 1622 | |
| api.ScreenOrientation.lock 📋 | Chrome | 10/7/2014 | 4352 | Chrome: Always throws NotSupportedError.Edge: Always throws NotSupportedError.Firefox: Always throws NotSupportedError.Firefox for Android: The API exists but returns NS_ERROR_UNEXPECTED.Opera: Always throws NotSupportedError. |
| api.ScreenOrientation.unlock 📋 | Chrome | 10/7/2014 | 4352 | Chrome: Always throws NotSupportedError.Edge: Always throws NotSupportedError.Firefox: Always throws NotSupportedError.Firefox for Android: The API exists but returns NS_ERROR_UNEXPECTED.Opera: Always throws NotSupportedError. |
| api.ScrollTimeline 📋 | Chrome | 7/18/2023 | 1146 | |
| api.ScrollTimeline.ScrollTimeline 📋 | Chrome | 7/18/2023 | 1146 | |
| api.ScrollTimeline.axis 📋 | Chrome | 7/18/2023 | 1146 | |
| api.ScrollTimeline.source 📋 | Chrome | 7/18/2023 | 1146 | |
| api.SecurityPolicyViolationEvent.worker_support | Chrome | 1/25/2017 | 3511 | |
| api.Selection.direction 📋 | Safari | 9/18/2023 | 1084 | |
| api.Selection.getComposedRanges 📋 | Safari | 9/18/2023 | 1084 | |
| api.Sensor 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Sensor.activate_event 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Sensor.activated 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Sensor.error_event 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Sensor.hasReading 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Sensor.reading_event 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Sensor.start 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Sensor.stop 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Sensor.timestamp 📋 | Chrome | 5/29/2018 | 3022 | |
| api.SensorErrorEvent 📋 | Chrome | 5/29/2018 | 3022 | |
| api.SensorErrorEvent.SensorErrorEvent 📋 | Chrome | 5/29/2018 | 3022 | |
| api.SensorErrorEvent.error 📋 | Chrome | 5/29/2018 | 3022 | |
| api.Serial 📋 | Chrome | 3/2/2021 | 2014 | |
| api.Serial.getPorts 📋 | Chrome | 3/2/2021 | 2014 | |
| api.Serial.requestPort 📋 | Chrome | 3/2/2021 | 2014 | |
| api.Serial.requestPort.allowedBluetoothServiceClassIds_option 📋 | Chrome | 9/12/2023 | 1090 | |
| api.Serial.requestPort.filters_bluetoothServiceClassId 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SerialPort 📋 | Chrome | 3/2/2021 | 2014 | |
| api.SerialPort.close 📋 | Chrome | 3/2/2021 | 2014 | |
| api.SerialPort.connect_event 📋 | Chrome | 3/2/2021 | 2014 | |
| api.SerialPort.connect_event.bluetooth_rfcomm | Chrome | 10/15/2024 | 691 | |
| api.SerialPort.connected 📋 | Chrome | 10/15/2024 | 691 | |
| api.SerialPort.disconnect_event 📋 | Chrome | 3/2/2021 | 2014 | |
| api.SerialPort.disconnect_event.bluetooth_rfcomm | Chrome | 10/15/2024 | 691 | |
| api.SerialPort.forget 📋 | Chrome | 6/21/2022 | 1538 | |
| api.SerialPort.getInfo 📋 | Chrome | 3/2/2021 | 2014 | |
| api.SerialPort.getInfo.bluetoothServiceClassId 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SerialPort.getSignals 📋 | Chrome | 3/2/2021 | 2014 | |
| api.SerialPort.open 📋 | Chrome | 3/2/2021 | 2014 | |
| api.SerialPort.readable 📋 | Chrome | 3/2/2021 | 2014 | |
| api.SerialPort.setSignals 📋 | Chrome | 3/2/2021 | 2014 | |
| api.SerialPort.writable 📋 | Chrome | 3/2/2021 | 2014 | |
| api.ServiceWorker.ecmascript_modules | Chrome | 5/25/2021 | 1930 | Safari: Nested workers support was introduced in Safari 15.5.Safari: Script loading in nested workers was introduced in Safari 16.4.Safari on iOS: Nested workers support was introduced in Safari on iOS 15.5.Safari on iOS: Script loading in nested workers was introduced in Safari on iOS 16.4. |
| api.ServiceWorkerContainer.worker_support | Safari on iOS | 3/29/2018 | 3083 | |
| api.ServiceWorkerGlobalScope.abortpayment_event | Chrome | 10/16/2018 | 2882 | |
| api.ServiceWorkerGlobalScope.backgroundfetchabort_event 📋 | Chrome | 4/23/2019 | 2693 | |
| api.ServiceWorkerGlobalScope.backgroundfetchclick_event 📋 | Chrome | 4/23/2019 | 2693 | |
| api.ServiceWorkerGlobalScope.backgroundfetchfail_event 📋 | Chrome | 4/23/2019 | 2693 | |
| api.ServiceWorkerGlobalScope.backgroundfetchsuccess_event 📋 | Chrome | 4/23/2019 | 2693 | |
| api.ServiceWorkerGlobalScope.canmakepayment_event 📋 | Chrome | 10/16/2018 | 2882 | |
| api.ServiceWorkerGlobalScope.contentdelete_event 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.ServiceWorkerGlobalScope.cookieStore 📋 | Chrome | 11/17/2020 | 2119 | |
| api.ServiceWorkerGlobalScope.cookiechange_event 📋 | Chrome | 11/17/2020 | 2119 | |
| api.ServiceWorkerGlobalScope.notificationclick_event 📋 | Chrome | 1/21/2015 | 4246 | Safari: Notifications are supported on macOS Ventura and later. |
| api.ServiceWorkerGlobalScope.notificationclose_event 📋 | Firefox | 1/26/2016 | 3876 | Safari: Notifications are supported on macOS Ventura and later. |
| api.ServiceWorkerGlobalScope.paymentrequest_event 📋 | Chrome | 10/16/2018 | 2882 | |
| api.ServiceWorkerGlobalScope.periodicsync_event 📋 | Chrome | 2/4/2020 | 2406 | |
| api.ServiceWorkerGlobalScope.pushsubscriptionchange_event 📋 | Firefox | 1/26/2016 | 3876 | Firefox: The event does not have the oldSubscription and newSubscription properties. See bug 1497429.Firefox for Android: The event does not have the oldSubscription and newSubscription properties. See bug 1497429.Safari: Notifications are supported on macOS Ventura and later. |
| api.ServiceWorkerGlobalScope.serviceWorker 📋 | Chrome | 12/10/2019 | 2462 | |
| api.ServiceWorkerGlobalScope.sync_event 📋 | Chrome | 3/2/2016 | 3840 | |
| api.ServiceWorkerRegistration.backgroundFetch 📋 | Chrome | 4/23/2019 | 2693 | |
| api.ServiceWorkerRegistration.cookies 📋 | Chrome | 11/17/2020 | 2119 | |
| api.ServiceWorkerRegistration.index 📋 | Chrome Android | 7/27/2020 | 2232 | |
| api.ServiceWorkerRegistration.paymentManager 📋 | Chrome | 10/16/2018 | 2882 | |
| api.ServiceWorkerRegistration.periodicSync 📋 | Chrome | 2/4/2020 | 2406 | |
| api.ServiceWorkerRegistration.showNotification.options_actions_parameter | Chrome | 1/20/2016 | 3882 | |
| api.ServiceWorkerRegistration.showNotification.options_badge_parameter | Chrome | 8/31/2016 | 3658 | Safari: Badging is supported for web apps saved to the Dock in Safari 17 on the macOS Sonoma beta |
| api.ServiceWorkerRegistration.showNotification.options_data_parameter | Chrome | 7/21/2015 | 4065 | |
| api.ServiceWorkerRegistration.showNotification.options_image_parameter | Chrome | 1/25/2017 | 3511 | |
| api.ServiceWorkerRegistration.showNotification.options_renotify_parameter | Chrome | 4/13/2016 | 3798 | |
| api.ServiceWorkerRegistration.showNotification.options_requireInteraction_parameter | Chrome | 12/1/2015 | 3932 | |
| api.ServiceWorkerRegistration.showNotification.options_vibrate_parameter | Chrome | 9/1/2015 | 4023 | Chrome Android: In Android Oreo and above, regardless of Chrome version, this parameter has no effect. See bug 40630890.Quest Browser: In Android Oreo and above, regardless of Chrome version, this parameter has no effect. See bug 40630890.Opera Android: In Android Oreo and above, regardless of Chrome version, this parameter has no effect. See bug 40630890.Samsung Internet: In Android Oreo and above, regardless of Chrome version, this parameter has no effect. See bug 40630890. |
| api.ServiceWorkerRegistration.sync 📋 | Chrome | 3/2/2016 | 3840 | |
| api.ShadowRoot.getSelection | Chrome | 8/31/2016 | 3658 | |
| api.ShadowRoot.pictureInPictureElement 📋 | Chrome | 9/4/2018 | 2924 | |
| api.ShadowRoot.pointerLockElement 📋 | Chrome | 8/31/2016 | 3658 | |
| api.SharedStorage 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SharedStorage.append 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SharedStorage.clear 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SharedStorage.createWorklet 📋 | Chrome | 6/11/2024 | 817 | |
| api.SharedStorage.delete 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SharedStorage.get 📋 | Chrome | 6/11/2024 | 817 | |
| api.SharedStorage.run 📋 | Chrome | 6/11/2024 | 817 | |
| api.SharedStorage.selectURL 📋 | Chrome | 6/11/2024 | 817 | |
| api.SharedStorage.set 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SharedStorage.worklet 📋 | Chrome | 6/11/2024 | 817 | |
| api.SharedStorageWorklet 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SharedStorageWorklet.run 📋 | Chrome | 5/14/2024 | 845 | |
| api.SharedStorageWorklet.selectURL 📋 | Chrome | 5/14/2024 | 845 | |
| api.SharedStorageWorkletGlobalScope 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SharedStorageWorkletGlobalScope.register 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SharedStorageWorkletGlobalScope.sharedStorage 📋 | Chrome | 9/12/2023 | 1090 | |
| api.SharedWorker 📋 | Chrome | 5/25/2010 | 5948 | |
| api.SharedWorker.SharedWorker 📋 | Chrome | 5/25/2010 | 5948 | |
| api.SharedWorker.SharedWorker.ecmascript_modules | Chrome | 2/4/2020 | 2406 | Node.js: ECMAScript modules are enabled for files ending with .mjs and for files ending with .js when the nearest parent package.json file contains a top-level field "type" with a value of "module".Safari: Nested workers support was introduced in Safari 15.5.Safari: Script loading in nested workers was introduced in Safari 16.4.Safari on iOS: Nested workers support was introduced in Safari on iOS 15.5.Safari on iOS: Script loading in nested workers was introduced in Safari on iOS 16.4.WebView on iOS: Nested workers support was introduced in WebView on iOS 15.5.WebView on iOS: Script loading in nested workers was introduced in WebView on iOS 16.4. |
| api.SharedWorker.SharedWorker.mime_checks | Firefox | 9/22/2020 | 2175 | |
| api.SharedWorker.SharedWorker.options_name_parameter | Firefox | 8/8/2017 | 3316 | |
| api.SharedWorker.SharedWorker.options_sameSiteCookies_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.SharedWorker.SharedWorker.options_type_parameter | Chrome | 2/4/2020 | 2406 | Deno: Only supports module |
| api.SharedWorker.error_event 📋 | Chrome | 5/25/2010 | 5948 | |
| api.SharedWorker.port 📋 | Chrome | 5/25/2010 | 5948 | |
| api.SharedWorkerGlobalScope 📋 | Chrome | 1/25/2010 | 6068 | |
| api.SharedWorkerGlobalScope.close 📋 | Chrome | 1/25/2010 | 6068 | |
| api.SharedWorkerGlobalScope.connect_event 📋 | Chrome | 1/25/2010 | 6068 | Firefox: Before version 65 the data property of the event object was null; it is now initialized to an empty string, as per spec.Firefox for Android: Before version 65 the data property of the event object was null; it is now initialized to an empty string, as per spec. |
| api.SharedWorkerGlobalScope.name 📋 | Chrome | 1/25/2010 | 6068 | |
| api.SnapEvent 📋 | Chrome | 9/17/2024 | 719 | |
| api.SnapEvent.SnapEvent 📋 | Chrome | 9/17/2024 | 719 | |
| api.SnapEvent.snapTargetBlock 📋 | Chrome | 9/17/2024 | 719 | |
| api.SnapEvent.snapTargetInline 📋 | Chrome | 9/17/2024 | 719 | |
| api.SourceBuffer.abort.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.abort_event.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.appendBuffer.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.appendBufferAsync | Firefox | 9/5/2018 | 2923 | |
| api.SourceBuffer.appendWindowEnd.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.appendWindowStart.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.audioTracks 📋 | Safari | 10/16/2014 | 4343 | Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone. |
| api.SourceBuffer.audioTracks.worker_support | Chrome | 11/29/2022 | 1377 | Chrome: Currently doesn't work, even with the flag set. If invoked from a dedicated worker, Chromium crashes the renderer to avoid undesirable behavior (see bug 487288).Chrome Android: Currently doesn't work, even with the flag set. If invoked from a dedicated worker, Chromium crashes the renderer to avoid undesirable behavior (see bug 487288).Edge: Currently doesn't work, even with the flag set. If invoked from a dedicated worker, Chromium crashes the renderer to avoid undesirable behavior (see bug 487288).Opera: Currently doesn't work, even with the flag set. If invoked from a dedicated worker, Chromium crashes the renderer to avoid undesirable behavior (see bug 487288). |
| api.SourceBuffer.buffered.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.changeType.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.error_event.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.mode.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.remove.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.removeAsync | Firefox | 9/5/2018 | 2923 | |
| api.SourceBuffer.textTracks 📋 | Safari | 10/16/2014 | 4343 | Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone. |
| api.SourceBuffer.timestampOffset.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.update_event.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.updateend_event.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.updatestart_event.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.updating.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBuffer.videoTracks 📋 | Safari | 10/16/2014 | 4343 | Internet Explorer: Only works on Windows 8+.Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone. |
| api.SourceBuffer.videoTracks.worker_support | Chrome | 11/29/2022 | 1377 | Chrome: Currently doesn't work, even with the flag set. If invoked from a dedicated worker, Chromium crashes the renderer to avoid undesirable behavior (see bug 487288).Chrome Android: Currently doesn't work, even with the flag set. If invoked from a dedicated worker, Chromium crashes the renderer to avoid undesirable behavior (see bug 487288).Edge: Currently doesn't work, even with the flag set. If invoked from a dedicated worker, Chromium crashes the renderer to avoid undesirable behavior (see bug 487288).Opera: Currently doesn't work, even with the flag set. If invoked from a dedicated worker, Chromium crashes the renderer to avoid undesirable behavior (see bug 487288). |
| api.SourceBufferList.addsourcebuffer_event.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBufferList.length.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SourceBufferList.removesourcebuffer_event.worker_support | Chrome | 11/29/2022 | 1377 | |
| api.SpeechGrammar 📋 | Chrome | 2/21/2013 | 4945 | Firefox: Note that currently only the speech synthesis part is available in Firefox Desktop - the speech recognition part will be available soon, once the required internal permissions are sorted out. |
| api.SpeechGrammar.SpeechGrammar | Chrome | 2/21/2013 | 4945 | Firefox: Note that currently only the speech synthesis part is available in Firefox Desktop - the speech recognition part will be available soon, once the required internal permissions are sorted out. |
| api.SpeechGrammar.src 📋 | Chrome | 2/21/2013 | 4945 | Firefox: Note that currently only the speech synthesis part is available in Firefox Desktop - the speech recognition part will be available soon, once the required internal permissions are sorted out. |
| api.SpeechGrammar.weight 📋 | Chrome | 2/21/2013 | 4945 | Firefox: Note that currently only the speech synthesis part is available in Firefox Desktop - the speech recognition part will be available soon, once the required internal permissions are sorted out. |
| api.SpeechGrammarList 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechGrammarList.SpeechGrammarList 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechGrammarList.addFromString 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechGrammarList.addFromURI 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechGrammarList.item 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechGrammarList.length 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition 📋 | Chrome | 2/20/2014 | 4581 | Chrome: You'll need to serve your code through a web server for recognition to work.Chrome Android: You'll need to serve your code through a web server for recognition to work.Edge: You'll need to serve your code through a web server for recognition to work.Quest Browser: You'll need to serve your code through a web server for recognition to work.Opera: You'll need to serve your code through a web server for recognition to work.Opera Android: You'll need to serve your code through a web server for recognition to work.Samsung Internet: You'll need to serve your code through a web server for recognition to work.WebView Android: You'll need to serve your code through a web server for recognition to work. |
| api.SpeechRecognition.SpeechRecognition 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.abort 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.audioend_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.audiostart_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.continuous 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.end_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.error_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.grammars 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.interimResults 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.lang 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.maxAlternatives 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.nomatch_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.result_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.soundend_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.soundstart_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.speechend_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.speechstart_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.start 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.start_event 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognition.stop 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionAlternative 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionAlternative.confidence 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionAlternative.transcript 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionErrorEvent 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionErrorEvent.SpeechRecognitionErrorEvent 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionErrorEvent.error 📋 | Chrome | 9/10/2019 | 2553 | |
| api.SpeechRecognitionErrorEvent.message 📋 | Chrome | 9/10/2019 | 2553 | |
| api.SpeechRecognitionEvent 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionEvent.SpeechRecognitionEvent 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionEvent.emma | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionEvent.interpretation | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionEvent.resultIndex 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionEvent.results 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionResult 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionResult.isFinal 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionResult.item 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionResult.length 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionResultList 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionResultList.item 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechRecognitionResultList.length 📋 | Chrome | 2/20/2014 | 4581 | |
| api.SpeechSynthesisEvent.elapsedTime.milliseconds | Chrome | 2/20/2014 | 4581 | Firefox: Windows and macOS only. |
| api.StorageAccessHandle 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.BroadcastChannel 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.SharedWorker 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.caches 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.createObjectURL 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.estimate 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.getDirectory 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.indexedDB 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.localStorage 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.locks 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.revokeObjectURL 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageAccessHandle.sessionStorage 📋 | Chrome | 5/14/2024 | 845 | |
| api.StorageBucket 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucket.caches 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucket.estimate 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucket.expires 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucket.getDirectory 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucket.indexedDB 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucket.name 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucket.persist 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucket.persisted 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucket.setExpires 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucketManager 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucketManager.delete 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucketManager.keys 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageBucketManager.open 📋 | Chrome | 2/20/2024 | 929 | |
| api.StorageManager.estimate.usageDetails | Chrome | 9/5/2017 | 3288 | |
| api.StyleMedia | Chrome | 9/2/2010 | 5848 | |
| api.StyleMedia.matchMedium | Chrome | 9/2/2010 | 5848 | |
| api.StyleMedia.type | Chrome | 9/2/2010 | 5848 | |
| api.StylePropertyMap 📋 | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMap.append 📋 | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMap.clear 📋 | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMap.delete 📋 | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMap.set 📋 | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMapReadOnly 📋 | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMapReadOnly.@@iterator | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMapReadOnly.entries | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMapReadOnly.forEach | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMapReadOnly.get 📋 | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMapReadOnly.getAll 📋 | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMapReadOnly.has 📋 | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMapReadOnly.keys | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMapReadOnly.size 📋 | Chrome | 4/17/2018 | 3064 | |
| api.StylePropertyMapReadOnly.values | Chrome | 4/17/2018 | 3064 | |
| api.SyncEvent 📋 | Chrome | 3/2/2016 | 3840 | |
| api.SyncEvent.SyncEvent 📋 | Chrome | 3/2/2016 | 3840 | |
| api.SyncEvent.lastChance 📋 | Chrome | 3/2/2016 | 3840 | |
| api.SyncEvent.tag 📋 | Chrome | 3/2/2016 | 3840 | |
| api.SyncManager 📋 | Chrome | 3/2/2016 | 3840 | |
| api.SyncManager.getTags 📋 | Chrome | 3/2/2016 | 3840 | |
| api.SyncManager.register 📋 | Chrome | 3/2/2016 | 3840 | |
| api.SyncManager.worker_support | Chrome | 9/5/2017 | 3288 | Chrome: Only available in the Window and ServiceWorker global scopes.Chrome Android: Only available in the Window and ServiceWorker global scopes.Quest Browser: Only available in the Window and ServiceWorker global scopes.Samsung Internet: Only available in the Window and ServiceWorker global scopes. |
| api.TaskAttributionTiming 📋 | Chrome | 4/19/2017 | 3427 | |
| api.TaskAttributionTiming.containerId 📋 | Chrome | 4/19/2017 | 3427 | |
| api.TaskAttributionTiming.containerName 📋 | Chrome | 4/19/2017 | 3427 | |
| api.TaskAttributionTiming.containerSrc 📋 | Chrome | 4/19/2017 | 3427 | |
| api.TaskAttributionTiming.containerType 📋 | Chrome | 4/19/2017 | 3427 | |
| api.TaskAttributionTiming.toJSON 📋 | Chrome | 4/19/2017 | 3427 | |
| api.TaskController 📋 | Chrome | 9/21/2021 | 1811 | |
| api.TaskController.TaskController 📋 | Chrome | 9/21/2021 | 1811 | |
| api.TaskController.setPriority 📋 | Chrome | 9/21/2021 | 1811 | |
| api.TaskPriorityChangeEvent 📋 | Chrome | 9/21/2021 | 1811 | |
| api.TaskPriorityChangeEvent.TaskPriorityChangeEvent 📋 | Chrome | 9/21/2021 | 1811 | |
| api.TaskPriorityChangeEvent.previousPriority 📋 | Chrome | 9/21/2021 | 1811 | |
| api.TaskSignal 📋 | Chrome | 9/21/2021 | 1811 | |
| api.TaskSignal.any_static 📋 | Chrome | 8/15/2023 | 1118 | |
| api.TaskSignal.priority 📋 | Chrome | 9/21/2021 | 1811 | |
| api.TaskSignal.prioritychange_event 📋 | Chrome | 9/21/2021 | 1811 | |
| api.Text.getBoxQuads 📋 | Firefox | 7/22/2014 | 4429 | |
| api.TextFormat 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextFormat.TextFormat 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextFormat.rangeEnd 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextFormat.rangeStart 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextFormat.underlineStyle 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextFormat.underlineThickness 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextFormatUpdateEvent 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextFormatUpdateEvent.TextFormatUpdateEvent 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextFormatUpdateEvent.getTextFormats 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextTrack.inBandMetadataTrackDispatchType 📋 | Firefox | 7/22/2014 | 4429 | |
| api.TextTrack.sourceBuffer 📋 | Safari | 10/16/2014 | 4343 | Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone. |
| api.TextUpdateEvent 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextUpdateEvent.TextUpdateEvent 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextUpdateEvent.selectionEnd 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextUpdateEvent.selectionStart 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextUpdateEvent.text 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextUpdateEvent.updateRangeEnd 📋 | Chrome | 1/23/2024 | 957 | |
| api.TextUpdateEvent.updateRangeStart 📋 | Chrome | 1/23/2024 | 957 | |
| api.TimeEvent 📋 | Firefox | 3/22/2011 | 5647 | |
| api.TimeEvent.detail 📋 | Firefox | 3/22/2011 | 5647 | |
| api.TimeEvent.initTimeEvent 📋 | Firefox | 3/22/2011 | 5647 | |
| api.TimeEvent.view 📋 | Firefox | 3/22/2011 | 5647 | |
| api.Touch 📋 | Safari on iOS | 6/17/2009 | 6290 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.Touch 📋 | Safari on iOS | 6/17/2009 | 6290 | Firefox: This interface is only exposed if a touch input device is detected. |
| api.Touch.altitudeAngle 📋 | Safari on iOS | 9/13/2016 | 3645 | |
| api.Touch.azimuthAngle 📋 | Safari on iOS | 9/13/2016 | 3645 | |
| api.Touch.clientX 📋 | Chrome | 9/25/2012 | 5094 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.clientY 📋 | Chrome | 9/25/2012 | 5094 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.force 📋 | Chrome | 10/7/2014 | 4352 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.identifier 📋 | Chrome | 9/25/2012 | 5094 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.pageX 📋 | Chrome | 9/25/2012 | 5094 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.pageY 📋 | Chrome | 9/25/2012 | 5094 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.radiusX 📋 | Chrome | 10/7/2014 | 4352 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.radiusY 📋 | Chrome | 10/7/2014 | 4352 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.rotationAngle 📋 | Chrome | 5/19/2015 | 4128 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.screenX 📋 | Chrome | 9/25/2012 | 5094 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.screenY 📋 | Chrome | 9/25/2012 | 5094 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.target 📋 | Chrome | 9/25/2012 | 5094 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.Touch.touchType 📋 | Safari on iOS | 9/13/2016 | 3645 | |
| api.TouchEvent 📋 | Safari on iOS | 4/3/2010 | 6000 | Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TouchEvent.TouchEvent 📋 | Safari on iOS | 4/3/2010 | 6000 | Chrome: Chrome only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Chrome Android: Chrome Android only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Edge: Edge only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Quest Browser: Quest Browser only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Opera: Opera only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Opera Android: Opera Android only supports the following touchEventInit properties: touches, targetTouches, changedTouches.Samsung Internet: Samsung Internet only supports the following touchEventInit properties: touches, targetTouches, changedTouches.WebView Android: WebView Android only supports the following touchEventInit properties: touches, targetTouches, changedTouches. |
| api.TouchEvent.altKey 📋 | Safari on iOS | 4/3/2010 | 6000 | Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TouchEvent.changedTouches 📋 | Safari on iOS | 4/3/2010 | 6000 | Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TouchEvent.ctrlKey 📋 | Safari on iOS | 4/3/2010 | 6000 | Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TouchEvent.metaKey 📋 | Safari on iOS | 4/3/2010 | 6000 | Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TouchEvent.shiftKey 📋 | Safari on iOS | 4/3/2010 | 6000 | Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TouchEvent.targetTouches 📋 | Safari on iOS | 4/3/2010 | 6000 | Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TouchEvent.touches 📋 | Safari on iOS | 4/3/2010 | 6000 | Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TouchList 📋 | Safari on iOS | 7/11/2008 | 6631 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TouchList.item 📋 | Safari on iOS | 7/11/2008 | 6631 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TouchList.length 📋 | Safari on iOS | 7/11/2008 | 6631 | Firefox: This interface is only exposed if a touch input device is detected.Firefox: Removed in bug 888304 due to web compatibility issues. |
| api.TransformStream.transferable 📋 | Chrome | 11/17/2020 | 2119 | |
| api.TrustedHTML 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedHTML.toJSON 📋 | Chrome | 4/13/2021 | 1972 | |
| api.TrustedHTML.toString 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedScript 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedScript.toJSON 📋 | Chrome | 4/13/2021 | 1972 | |
| api.TrustedScript.toString 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedScriptURL 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedScriptURL.toJSON 📋 | Chrome | 4/13/2021 | 1972 | |
| api.TrustedScriptURL.toString 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicy 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicy.createHTML 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicy.createScript 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicy.createScriptURL 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicy.name 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicyFactory 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicyFactory.createPolicy 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicyFactory.defaultPolicy 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicyFactory.emptyHTML 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicyFactory.emptyScript 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicyFactory.getAttributeType 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicyFactory.getPropertyType 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicyFactory.isHTML 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicyFactory.isScript 📋 | Chrome | 5/19/2020 | 2301 | |
| api.TrustedTypePolicyFactory.isScriptURL 📋 | Chrome | 5/19/2020 | 2301 | |
| api.UIEvent.sourceCapabilities 📋 | Chrome | 12/1/2015 | 3932 | |
| api.URLPattern 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.URLPattern 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.URLPattern.ignoreCase_option 📋 | Chrome | 10/25/2022 | 1412 | |
| api.URLPattern.exec 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.hasRegExpGroups 📋 | Chrome | 2/20/2024 | 929 | |
| api.URLPattern.hash 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.hostname 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.password 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.pathname 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.port 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.protocol 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.search 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.test 📋 | Chrome | 10/19/2021 | 1783 | |
| api.URLPattern.username 📋 | Chrome | 10/19/2021 | 1783 | |
| api.USB 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USB.connect_event 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USB.disconnect_event 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USB.getDevices 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USB.requestDevice 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USB.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBAlternateInterface 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBAlternateInterface.USBAlternateInterface | Chrome | 9/5/2017 | 3288 | |
| api.USBAlternateInterface.alternateSetting 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBAlternateInterface.endpoints 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBAlternateInterface.interfaceClass 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBAlternateInterface.interfaceName 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBAlternateInterface.interfaceProtocol 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBAlternateInterface.interfaceSubclass 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBAlternateInterface.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBConfiguration 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBConfiguration.USBConfiguration 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBConfiguration.configurationName 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBConfiguration.configurationValue 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBConfiguration.interfaces 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBConfiguration.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBConnectionEvent 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBConnectionEvent.USBConnectionEvent 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBConnectionEvent.device 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBConnectionEvent.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBDevice 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBDevice.claimInterface 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.clearHalt 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.close 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.configuration 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.configurations 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.controlTransferIn 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.controlTransferOut 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.deviceClass 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.deviceProtocol 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.deviceSubclass 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.deviceVersionMajor 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.deviceVersionMinor 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.deviceVersionSubminor 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.forget 📋 | Chrome | 4/26/2022 | 1594 | |
| api.USBDevice.isochronousTransferIn 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.isochronousTransferOut 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.manufacturerName 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.open 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.opened 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.productId 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.productName 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.releaseInterface 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.reset 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.selectAlternateInterface 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.selectConfiguration 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.serialNumber 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.transferIn 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.transferOut 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.usbVersionMajor 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.usbVersionMinor 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.usbVersionSubminor 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.vendorId 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBDevice.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBEndpoint 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBEndpoint.USBEndpoint | Chrome | 9/5/2017 | 3288 | |
| api.USBEndpoint.direction 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBEndpoint.endpointNumber 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBEndpoint.packetSize 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBEndpoint.type 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBEndpoint.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBInTransferResult 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBInTransferResult.USBInTransferResult | Chrome | 9/5/2017 | 3288 | |
| api.USBInTransferResult.data 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBInTransferResult.status 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBInTransferResult.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBInterface 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBInterface.USBInterface | Chrome | 9/5/2017 | 3288 | |
| api.USBInterface.alternate 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBInterface.alternates 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBInterface.claimed 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBInterface.interfaceNumber 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBInterface.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBIsochronousInTransferPacket 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBIsochronousInTransferPacket.USBIsochronousInTransferPacket | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousInTransferPacket.data 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousInTransferPacket.status 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousInTransferPacket.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBIsochronousInTransferResult 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBIsochronousInTransferResult.USBIsochronousInTransferResult | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousInTransferResult.data 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousInTransferResult.packets 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousInTransferResult.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBIsochronousOutTransferPacket 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBIsochronousOutTransferPacket.USBIsochronousOutTransferPacket | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousOutTransferPacket.bytesWritten 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousOutTransferPacket.status 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousOutTransferPacket.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBIsochronousOutTransferResult 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBIsochronousOutTransferResult.USBIsochronousOutTransferResult | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousOutTransferResult.packets 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBIsochronousOutTransferResult.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.USBOutTransferResult 📋 | Chrome | 9/5/2017 | 3288 | WebView Android: WebView exposes this interface, but does not support WebUSB. See bug 41441927. |
| api.USBOutTransferResult.USBOutTransferResult | Chrome | 9/5/2017 | 3288 | |
| api.USBOutTransferResult.bytesWritten 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBOutTransferResult.status 📋 | Chrome | 9/5/2017 | 3288 | |
| api.USBOutTransferResult.worker_support | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes this interface, but does not support WebUSB. |
| api.VRDisplay | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.cancelAnimationFrame | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.capabilities | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.depthFar | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.depthNear | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.displayId | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.displayName | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.exitPresent | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.getEyeParameters | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.getFrameData | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.getImmediatePose | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55. |
| api.VRDisplay.getLayers | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.getPose | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.isConnected | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.isPresenting | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.requestAnimationFrame | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.requestPresent | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.resetPose | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.stageParameters | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplay.submitFrame | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplayCapabilities | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplayCapabilities.canPresent | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplayCapabilities.hasExternalDisplay | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplayCapabilities.hasOrientation | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplayCapabilities.hasPosition | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplayCapabilities.maxLayers | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplayEvent | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplayEvent.VRDisplayEvent | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplayEvent.display | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRDisplayEvent.reason | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VREyeParameters | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VREyeParameters.fieldOfView | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VREyeParameters.maximumFieldOfView | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55. |
| api.VREyeParameters.minimumFieldOfView | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55. |
| api.VREyeParameters.offset | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VREyeParameters.renderHeight | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VREyeParameters.renderWidth | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFieldOfView | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFieldOfView.downDegrees | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFieldOfView.leftDegrees | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFieldOfView.rightDegrees | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFieldOfView.upDegrees | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFrameData | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFrameData.VRFrameData | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFrameData.leftProjectionMatrix | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFrameData.leftViewMatrix | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFrameData.pose | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFrameData.rightProjectionMatrix | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFrameData.rightViewMatrix | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRFrameData.timestamp | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRPose | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRPose.angularAcceleration | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRPose.angularVelocity | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRPose.linearAcceleration | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRPose.linearVelocity | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRPose.orientation | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRPose.position | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRStageParameters | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRStageParameters.sittingToStandingTransform | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRStageParameters.sizeX | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VRStageParameters.sizeY | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Google Cardboard supported in Samsung Internet 7.0. |
| api.VTTCue.lineAlign 📋 | Firefox | 7/22/2014 | 4429 | |
| api.VTTCue.positionAlign 📋 | Firefox | 7/22/2014 | 4429 | |
| api.VTTCue.region 📋 | Firefox | 3/13/2018 | 3099 | |
| api.VTTRegion 📋 | Safari on iOS | 9/18/2013 | 4736 | |
| api.VTTRegion.VTTRegion 📋 | Safari on iOS | 9/18/2013 | 4736 | |
| api.VTTRegion.id 📋 | Safari on iOS | 9/18/2013 | 4736 | |
| api.VTTRegion.lines 📋 | Firefox | 3/13/2018 | 3099 | |
| api.VTTRegion.regionAnchorX 📋 | Safari on iOS | 9/18/2013 | 4736 | |
| api.VTTRegion.regionAnchorY 📋 | Safari on iOS | 9/18/2013 | 4736 | |
| api.VTTRegion.scroll 📋 | Safari on iOS | 9/18/2013 | 4736 | |
| api.VTTRegion.viewportAnchorX 📋 | Safari on iOS | 9/18/2013 | 4736 | |
| api.VTTRegion.viewportAnchorY 📋 | Safari on iOS | 9/18/2013 | 4736 | |
| api.VTTRegion.width 📋 | Safari on iOS | 9/18/2013 | 4736 | |
| api.VideoPlaybackQuality.corruptedVideoFrames 📋 | Safari | 10/16/2014 | 4343 | Internet Explorer: Only works on Windows 8+. |
| api.VideoPlaybackQuality.totalFrameDelay | Safari | 10/16/2014 | 4343 | Internet Explorer: Only works on Windows 8+. |
| api.VideoTrack.sourceBuffer 📋 | Safari | 10/22/2013 | 4702 | Safari on iOS: Exposed in Mobile Safari on iPad but not on iPhone.WebView on iOS: Exposed in Mobile Safari on iPad but not on iPhone. |
| api.VideoTrackGenerator 📋 | Safari | 9/16/2024 | 720 | |
| api.VideoTrackGenerator.VideoTrackGenerator 📋 | Safari | 9/16/2024 | 720 | |
| api.VideoTrackGenerator.muted 📋 | Safari | 9/16/2024 | 720 | |
| api.VideoTrackGenerator.track 📋 | Safari | 9/16/2024 | 720 | |
| api.VideoTrackGenerator.writable 📋 | Safari | 9/16/2024 | 720 | |
| api.ViewTimeline 📋 | Chrome | 7/18/2023 | 1146 | |
| api.ViewTimeline.ViewTimeline 📋 | Chrome | 7/18/2023 | 1146 | |
| api.ViewTimeline.endOffset 📋 | Chrome | 7/18/2023 | 1146 | |
| api.ViewTimeline.startOffset 📋 | Chrome | 7/18/2023 | 1146 | |
| api.ViewTimeline.subject 📋 | Chrome | 7/18/2023 | 1146 | |
| api.ViewTransition 📋 | Chrome | 3/7/2023 | 1279 | |
| api.ViewTransition.finished 📋 | Chrome | 3/7/2023 | 1279 | |
| api.ViewTransition.ready 📋 | Chrome | 3/7/2023 | 1279 | |
| api.ViewTransition.skipTransition 📋 | Chrome | 3/7/2023 | 1279 | |
| api.ViewTransition.types 📋 | Chrome | 5/14/2024 | 845 | |
| api.ViewTransition.updateCallbackDone 📋 | Chrome | 3/7/2023 | 1279 | |
| api.ViewTransitionTypeSet 📋 | Chrome | 5/14/2024 | 845 | |
| api.ViewTransitionTypeSet.@@iterator | Chrome | 5/14/2024 | 845 | |
| api.ViewTransitionTypeSet.add | Chrome | 5/14/2024 | 845 | |
| api.ViewTransitionTypeSet.clear | Chrome | 5/14/2024 | 845 | |
| api.ViewTransitionTypeSet.delete | Chrome | 5/14/2024 | 845 | |
| api.ViewTransitionTypeSet.entries | Chrome | 5/14/2024 | 845 | |
| api.ViewTransitionTypeSet.forEach | Chrome | 5/14/2024 | 845 | |
| api.ViewTransitionTypeSet.has | Chrome | 5/14/2024 | 845 | |
| api.ViewTransitionTypeSet.keys | Chrome | 5/14/2024 | 845 | |
| api.ViewTransitionTypeSet.size | Chrome | 5/14/2024 | 845 | |
| api.ViewTransitionTypeSet.values | Chrome | 5/14/2024 | 845 | |
| api.VirtualKeyboard 📋 | Chrome | 9/21/2021 | 1811 | |
| api.VirtualKeyboard.boundingRect 📋 | Chrome | 9/21/2021 | 1811 | |
| api.VirtualKeyboard.geometrychange_event 📋 | Chrome | 9/21/2021 | 1811 | |
| api.VirtualKeyboard.hide 📋 | Chrome | 9/21/2021 | 1811 | |
| api.VirtualKeyboard.overlaysContent 📋 | Chrome | 9/21/2021 | 1811 | |
| api.VirtualKeyboard.show 📋 | Chrome | 9/21/2021 | 1811 | |
| api.VisibilityStateEntry 📋 | Chrome | 7/18/2023 | 1146 | |
| api.VisibilityStateEntry.duration 📋 | Chrome | 7/18/2023 | 1146 | |
| api.VisibilityStateEntry.entryType 📋 | Chrome | 7/18/2023 | 1146 | |
| api.VisibilityStateEntry.name 📋 | Chrome | 7/18/2023 | 1146 | |
| api.VisibilityStateEntry.startTime 📋 | Chrome | 7/18/2023 | 1146 | |
| api.VisualViewport.scrollend_event 📋 | Chrome | 6/11/2024 | 817 | Chrome: The onscrollend event handler property is not supported. See bug 325307785.Chrome Android: The onscrollend event handler property is not supported. See bug 325307785.Edge: The onscrollend event handler property is not supported. See bug 325307785.Opera: The onscrollend event handler property is not supported. See bug 325307785.Opera Android: The onscrollend event handler property is not supported. See bug 325307785.Samsung Internet: The onscrollend event handler property is not supported. See bug 325307785.WebView Android: The onscrollend event handler property is not supported. See bug 325307785. |
| api.WEBGL_compressed_texture_etc 📋 | Chrome Android | 12/5/2017 | 3197 | |
| api.WEBGL_compressed_texture_etc1 📋 | Chrome | 3/2/2016 | 3840 | |
| api.WEBGL_compressed_texture_pvrtc 📋 | Chrome Android | 7/10/2013 | 4806 | |
| api.WEBGL_compressed_texture_s3tc 📋 | Chrome | 3/26/2013 | 4912 | |
| api.WEBGL_draw_buffers 📋 | Firefox | 3/18/2014 | 4555 | |
| api.WEBGL_draw_buffers.drawBuffersWEBGL 📋 | Firefox | 3/18/2014 | 4555 | |
| api.WEBGL_multi_draw 📋 | Edge | 10/9/2020 | 2158 | |
| api.WEBGL_multi_draw.multiDrawArraysInstancedWEBGL 📋 | Edge | 10/9/2020 | 2158 | |
| api.WEBGL_multi_draw.multiDrawArraysWEBGL 📋 | Edge | 10/9/2020 | 2158 | |
| api.WEBGL_multi_draw.multiDrawElementsInstancedWEBGL 📋 | Edge | 10/9/2020 | 2158 | |
| api.WEBGL_multi_draw.multiDrawElementsWEBGL 📋 | Edge | 10/9/2020 | 2158 | |
| api.WGSLLanguageFeatures 📋 | Chrome | 7/18/2023 | 1146 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.WGSLLanguageFeatures.@@iterator 📋 | Chrome | 7/18/2023 | 1146 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.WGSLLanguageFeatures.entries 📋 | Chrome | 7/18/2023 | 1146 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.WGSLLanguageFeatures.extension_packed_4x8_integer_dot_product 📋 | Chrome | 3/19/2024 | 901 | |
| api.WGSLLanguageFeatures.extension_readonly_and_readwrite_storage_textures 📋 | Chrome | 4/16/2024 | 873 | |
| api.WGSLLanguageFeatures.extension_unrestricted_pointer_parameters 📋 | Chrome | 3/19/2024 | 901 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Chrome Android: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only.Opera Android: Currently supported on ChromeOS, macOS, and Windows only.Samsung Internet: Currently supported on ChromeOS, macOS, and Windows only.WebView Android: Currently supported on ChromeOS, macOS, and Windows only. |
| api.WGSLLanguageFeatures.forEach 📋 | Chrome | 7/18/2023 | 1146 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.WGSLLanguageFeatures.has 📋 | Chrome | 7/18/2023 | 1146 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.WGSLLanguageFeatures.keys 📋 | Chrome | 7/18/2023 | 1146 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.WGSLLanguageFeatures.size 📋 | Chrome | 7/18/2023 | 1146 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.WGSLLanguageFeatures.values 📋 | Chrome | 7/18/2023 | 1146 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.WebGL2RenderingContext.bufferData.srcData_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.bufferSubData.srcData_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.clearBufferfv.values_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.clearBufferiv.values_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.clearBufferuiv.values_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.compressedTexImage2D.pixels_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.compressedTexImage3D.pixels_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.compressedTexSubImage2D.srcData_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.drawingBufferFormat 📋 | Chrome | 2/20/2024 | 929 | |
| api.WebGL2RenderingContext.drawingBufferStorage 📋 | Chrome | 2/20/2024 | 929 | |
| api.WebGL2RenderingContext.getBufferSubData.dstData_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.makeXRCompatible 📋 | Chrome | 12/10/2019 | 2462 | |
| api.WebGL2RenderingContext.readPixels.pixels_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.texImage3D.srcData_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.texSubImage3D.srcData_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.uniformMatrix2fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.uniformMatrix2x3fv.data_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.uniformMatrix2x4fv.data_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.uniformMatrix3fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.uniformMatrix3x2fv.data_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.uniformMatrix3x4fv.data_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.uniformMatrix4fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.uniformMatrix4x2fv.data_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.uniformMatrix4x3fv.data_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.unpackColorSpace 📋 | Chrome | 8/2/2022 | 1496 | |
| api.WebGL2RenderingContext.vertexAttrib1fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.vertexAttrib2fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.vertexAttrib3fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.vertexAttrib4fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.vertexAttribI4iv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGL2RenderingContext.vertexAttribI4uiv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGLActiveInfo.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebGLBuffer.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebGLContextEvent.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebGLFramebuffer.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebGLObject 📋 | Chrome | 6/11/2024 | 817 | |
| api.WebGLProgram.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebGLRenderbuffer.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebGLRenderingContext.compressedTexImage2D.pixels_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGLRenderingContext.drawingBufferFormat 📋 | Chrome | 2/20/2024 | 929 | |
| api.WebGLRenderingContext.drawingBufferStorage 📋 | Chrome | 2/20/2024 | 929 | |
| api.WebGLRenderingContext.makeXRCompatible 📋 | Chrome | 12/10/2019 | 2462 | |
| api.WebGLRenderingContext.unpackColorSpace 📋 | Chrome | 8/2/2022 | 1496 | |
| api.WebGLRenderingContext.vertexAttrib1fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGLRenderingContext.vertexAttrib2fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGLRenderingContext.vertexAttrib3fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGLRenderingContext.vertexAttrib4fv.value_param_accepts_SharedArrayBuffer | Chrome | 7/25/2017 | 3330 | |
| api.WebGLRenderingContext.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebGLShader.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebGLShaderPrecisionFormat.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebGLTexture.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebGLTimerQueryEXT 📋 | Chrome | 10/16/2018 | 2882 | Chrome: Only supported on macOS.Chrome: Removed due to the GLitch exploit.Chrome Android: Removed due to the GLitch exploit.Edge: Only supported on macOS.Firefox: Removed due to the GLitch exploit.Opera: Only supported on macOS.Opera: Removed due to the GLitch exploit.Opera Android: Removed due to the GLitch exploit.Samsung Internet: Removed due to the GLitch exploit.WebView Android: Removed due to the GLitch exploit. |
| api.WebGLUniformLocation.worker_support | Firefox | 9/20/2022 | 1447 | |
| api.WebKitPoint | Safari | 6/8/2009 | 6299 | |
| api.WebKitPoint.WebKitPoint | Safari | 6/8/2009 | 6299 | |
| api.WebKitPoint.x | Safari | 6/8/2009 | 6299 | |
| api.WebKitPoint.y | Safari | 6/8/2009 | 6299 | |
| api.WebSocketError | Chrome | 4/16/2024 | 873 | |
| api.WebSocketError.WebSocketError | Chrome | 4/16/2024 | 873 | |
| api.WebSocketError.closeCode | Chrome | 4/16/2024 | 873 | |
| api.WebSocketError.reason | Chrome | 4/16/2024 | 873 | |
| api.WebSocketStream | Chrome | 4/16/2024 | 873 | |
| api.WebSocketStream.WebSocketStream | Chrome | 4/16/2024 | 873 | |
| api.WebSocketStream.close | Chrome | 4/16/2024 | 873 | |
| api.WebSocketStream.closed | Chrome | 4/16/2024 | 873 | |
| api.WebSocketStream.opened | Chrome | 4/16/2024 | 873 | |
| api.WebSocketStream.url | Chrome | 4/16/2024 | 873 | |
| api.WebTransport 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransport.WebTransport 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransport.WebTransport.options_allowPooling_parameter 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransport.WebTransport.options_congestionControl_parameter 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransport.WebTransport.options_requireUnreliable_parameter 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransport.WebTransport.options_serverCertificateHashes_parameter 📋 | Chrome | 3/29/2022 | 1622 | |
| api.WebTransport.byob_readers | Chrome | 1/10/2023 | 1335 | |
| api.WebTransport.close 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransport.closed 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransport.congestionControl 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransport.createBidirectionalStream 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransport.createBidirectionalStream.options_sendOrder_parameter 📋 | Firefox | 10/24/2023 | 1048 | |
| api.WebTransport.createUnidirectionalStream 📋 | Chrome | 1/4/2022 | 1706 | Firefox: Returns a WritableStream instead of a WebTransportSendStream.Firefox for Android: Returns a WritableStream instead of a WebTransportSendStream. |
| api.WebTransport.createUnidirectionalStream.byob_readers | Chrome | 1/10/2023 | 1335 | |
| api.WebTransport.createUnidirectionalStream.options_sendOrder_parameter 📋 | Firefox | 10/24/2023 | 1048 | |
| api.WebTransport.datagrams 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransport.getStats 📋 | Firefox | 6/6/2023 | 1188 | Firefox: Method is defined but throws a not-implemented error.Firefox for Android: Method is defined but throws a not-implemented error. |
| api.WebTransport.incomingBidirectionalStreams 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransport.incomingUnidirectionalStreams 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransport.ready 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransport.reliability 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransportBidirectionalStream 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportBidirectionalStream.readable 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportBidirectionalStream.readable.returns_WebTransportReceiveStream 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransportBidirectionalStream.writable 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportBidirectionalStream.writable.returns_WebTransportSendStream 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransportDatagramDuplexStream 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportDatagramDuplexStream.byob_readers | Chrome | 1/10/2023 | 1335 | |
| api.WebTransportDatagramDuplexStream.incomingHighWaterMark 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportDatagramDuplexStream.incomingMaxAge 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportDatagramDuplexStream.maxDatagramSize 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportDatagramDuplexStream.outgoingHighWaterMark 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportDatagramDuplexStream.outgoingMaxAge 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportDatagramDuplexStream.readable 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportDatagramDuplexStream.writable 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportError 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportError.WebTransportError 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportError.source 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportError.streamErrorCode 📋 | Chrome | 1/4/2022 | 1706 | |
| api.WebTransportReceiveStream 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransportReceiveStream.getStats 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransportSendStream 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransportSendStream.getStats 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransportSendStream.getWriter 📋 | Firefox | 6/6/2023 | 1188 | |
| api.WebTransportSendStream.sendOrder 📋 | Firefox | 12/19/2023 | 992 | |
| api.WheelEvent.pinch_to_zoom_support | Chrome | 11/12/2013 | 4681 | |
| api.Window.appinstalled_event 📋 | Chrome Android | 3/16/2017 | 3461 | Opera: Opera exposes the onappinstalled event handler, but the event is never fired.Opera Android: Opera exposes the onappinstalled event handler, but the event is never fired. |
| api.Window.beforeinstallprompt_event 📋 | Chrome | 9/5/2017 | 3288 | Chrome: The onbeforeinstallprompt event handler property is not supported.Chrome Android: The onbeforeinstallprompt event handler property is not supported.Opera: The onbeforeinstallprompt event handler property is not supported.Opera Android: The onbeforeinstallprompt event handler property is not supported.Samsung Internet: The onbeforeinstallprompt event handler property is not supported.WebView Android: The onbeforeinstallprompt event handler property is not supported. |
| api.Window.beforeunload_event.event_returnvalue_activation | Firefox | 8/16/2011 | 5500 | Chrome: Before Chrome 119, an empty string incorrectly activated the confirmation dialog.Chrome Android: Before Chrome Android 119, an empty string incorrectly activated the confirmation dialog.Edge: Before Edge 119, an empty string incorrectly activated the confirmation dialog.Quest Browser: Before Quest Browser false, an empty string incorrectly activated the confirmation dialog.Opera: Before Opera 105, an empty string incorrectly activated the confirmation dialog.Opera Android: Before Opera Android 79, an empty string incorrectly activated the confirmation dialog.Samsung Internet: Before Samsung Internet 25.0, an empty string incorrectly activated the confirmation dialog.WebView Android: Before WebView Android 119, an empty string incorrectly activated the confirmation dialog. |
| api.Window.beforeunload_event.preventdefault_activation | Firefox | 8/16/2011 | 5500 | |
| api.Window.beforeunload_event.return_string_activation | Firefox | 11/9/2004 | 7971 | |
| api.Window.cancelIdleCallback 📋 | Chrome | 12/1/2015 | 3932 | |
| api.Window.cookieStore 📋 | Chrome | 11/17/2020 | 2119 | |
| api.Window.credentialless 📋 | Chrome | 2/7/2023 | 1307 | |
| api.Window.deviceorientationabsolute_event 📋 | Chrome | 4/13/2016 | 3798 | |
| api.Window.documentPictureInPicture 📋 | Chrome | 8/15/2023 | 1118 | |
| api.Window.dump | Firefox | 11/29/2005 | 7586 | Firefox: By default, this method exists and can be called, but does nothing unless enabled in the browser's preferences.Firefox for Android: This method exists but has no effect. |
| api.Window.external 📋 | Firefox | 10/24/2006 | 7257 | Firefox: From Firefox 78 AddSearchProvider() does nothing, as the specification requires.Firefox for Android: From Firefox for Android 79 AddSearchProvider() does nothing, as the specification requires. |
| api.Window.fence 📋 | Chrome | 7/18/2023 | 1146 | |
| api.Window.fullScreen | Firefox | 11/9/2004 | 7971 | |
| api.Window.getDefaultComputedStyle | Firefox | 2/19/2013 | 4947 | |
| api.Window.getDefaultComputedStyle.pseudo_element_support | Firefox | 2/19/2013 | 4947 | |
| api.Window.getDigitalGoodsService 📋 | Chrome Android | 4/26/2022 | 1594 | |
| api.Window.getScreenDetails 📋 | Chrome | 3/29/2022 | 1622 | |
| api.Window.launchQueue 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Window.mozInnerScreenX | Firefox | 1/21/2010 | 6072 | |
| api.Window.mozInnerScreenY | Firefox | 1/21/2010 | 6072 | |
| api.Window.navigation 📋 | Chrome | 5/24/2022 | 1566 | |
| api.Window.open.features_parameter_attributionsrc | Chrome | 5/14/2024 | 845 | |
| api.Window.open.features_parameter_popup | Firefox | 1/11/2022 | 1699 | |
| api.Window.orientation 📋 | Safari on iOS | 6/17/2009 | 6290 | |
| api.Window.orientationchange_event 📋 | Safari on iOS | 6/17/2009 | 6290 | |
| api.Window.originAgentCluster 📋 | Chrome | 4/13/2021 | 1972 | |
| api.Window.pagereveal_event 📋 | Chrome | 3/19/2024 | 901 | |
| api.Window.pageswap_event 📋 | Chrome | 4/16/2024 | 873 | |
| api.Window.postMessage.options_includeUserActivation_parameter | Chrome | 1/29/2019 | 2777 | |
| api.Window.queryLocalFonts 📋 | Chrome | 6/21/2022 | 1538 | |
| api.Window.requestFileSystem | Chrome | 8/2/2011 | 5514 | |
| api.Window.requestIdleCallback 📋 | Chrome | 12/1/2015 | 3932 | |
| api.Window.resolveLocalFileSystemURL | Chrome | 8/2/2011 | 5514 | |
| api.Window.scrollByLines | Firefox | 11/9/2004 | 7971 | |
| api.Window.scrollByPages | Firefox | 11/9/2004 | 7971 | |
| api.Window.scrollMaxX | Firefox | 11/9/2004 | 7971 | |
| api.Window.scrollMaxY | Firefox | 11/9/2004 | 7971 | |
| api.Window.scrollX.subpixel_precision | Chrome | 1/21/2015 | 4246 | |
| api.Window.scrollY.subpixel_precision | Chrome | 1/21/2015 | 4246 | |
| api.Window.scrollsnapchange_event 📋 | Chrome | 9/17/2024 | 719 | |
| api.Window.scrollsnapchanging_event 📋 | Chrome | 9/17/2024 | 719 | |
| api.Window.setResizable | Firefox | 11/9/2004 | 7971 | |
| api.Window.sharedStorage 📋 | Chrome | 9/12/2023 | 1090 | |
| api.Window.showDirectoryPicker 📋 | Edge | 10/9/2020 | 2158 | |
| api.Window.showOpenFilePicker 📋 | Edge | 10/9/2020 | 2158 | |
| api.Window.showSaveFilePicker 📋 | Edge | 10/9/2020 | 2158 | |
| api.Window.styleMedia | Safari | 6/7/2010 | 5935 | |
| api.Window.updateCommands | Firefox | 11/9/2004 | 7971 | |
| api.Window.vrdisplayactivate_event | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55. |
| api.Window.vrdisplayconnect_event | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Samsung Internet: Supported on Samsung Internet for GearVR. |
| api.Window.vrdisplaydeactivate_event | Firefox | 3/8/2022 | 1643 | Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55. |
| api.Window.vrdisplaydisconnect_event | Firefox | 3/8/2022 | 1643 | Chrome Android: Chrome for Android 56 supports only Google Daydream View.Chrome Android: Chrome for Android 57 adds support for Google Cardboard.Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Quest Browser: Chrome for Android 56 supports only Google Daydream View.Quest Browser: Chrome for Android 57 adds support for Google Cardboard.Samsung Internet: Supported on Samsung Internet for GearVR. |
| api.Window.vrdisplaypresentchange_event | Firefox | 3/8/2022 | 1643 | Chrome Android: Chrome for Android 56 supports only Google Daydream View.Chrome Android: Chrome for Android 57 adds support for Google Cardboard.Firefox: macOS support was enabled in Firefox 64.Firefox: Windows support was enabled in Firefox 55.Quest Browser: Chrome for Android 56 supports only Google Daydream View.Quest Browser: Chrome for Android 57 adds support for Google Cardboard.Samsung Internet: Supported on Samsung Internet for GearVR. |
| api.Window.webkitConvertPointFromNodeToPage | Safari | 6/8/2009 | 6299 | |
| api.Window.webkitConvertPointFromPageToNode | Safari | 6/8/2009 | 6299 | |
| api.WindowClient.ancestorOrigins 📋 | Safari | 9/12/2022 | 1455 | |
| api.WindowControlsOverlay 📋 | Edge | 9/1/2022 | 1466 | |
| api.WindowControlsOverlay.geometrychange_event 📋 | Edge | 9/1/2022 | 1466 | |
| api.WindowControlsOverlay.getTitlebarAreaRect 📋 | Edge | 9/1/2022 | 1466 | |
| api.WindowControlsOverlay.visible 📋 | Edge | 9/1/2022 | 1466 | |
| api.WindowControlsOverlayGeometryChangeEvent 📋 | Edge | 9/1/2022 | 1466 | |
| api.WindowControlsOverlayGeometryChangeEvent.WindowControlsOverlayGeometryChangeEvent 📋 | Edge | 9/1/2022 | 1466 | |
| api.WindowControlsOverlayGeometryChangeEvent.titlebarAreaRect 📋 | Edge | 9/1/2022 | 1466 | |
| api.WindowControlsOverlayGeometryChangeEvent.visible 📋 | Edge | 9/1/2022 | 1466 | |
| api.Worker.Worker.mime_checks | Firefox | 9/22/2020 | 2175 | |
| api.Worker.messageerror_event 📋 | Firefox | 11/14/2017 | 3218 | Node.js: Supports the event, but only via Node EventEmitter.Node.js: Supports the event, but only via Node EventEmitter. |
| api.Worker.postMessage.options_includeUserActivation_parameter | Chrome | 1/29/2019 | 2777 | |
| api.WorkerGlobalScope.dump | Firefox | 6/30/2009 | 6277 | Firefox: This method exists but has no effect.Firefox for Android: This method exists but has no effect. |
| api.WorkerGlobalScope.languagechange_event 📋 | Chrome | 1/25/2010 | 6068 | |
| api.WorkerGlobalScope.offline_event 📋 | Firefox | 4/29/2014 | 4513 | |
| api.WorkerGlobalScope.online_event 📋 | Firefox | 4/29/2014 | 4513 | |
| api.WorkerNavigator.connection 📋 | Chrome Android | 10/8/2014 | 4351 | |
| api.WorkerNavigator.deviceMemory 📋 | Chrome | 3/6/2018 | 3106 | |
| api.WorkerNavigator.globalPrivacyControl 📋 | Firefox | 11/21/2023 | 1020 | Firefox: Opt-in to GPC by setting the preference privacy.globalprivacycontrol.enabled to true. |
| api.WorkerNavigator.gpu 📋 | Chrome | 5/2/2023 | 1223 | Chrome: Currently supported on ChromeOS, macOS, and Windows only.Edge: Currently supported on ChromeOS, macOS, and Windows only.Opera: Currently supported on ChromeOS, macOS, and Windows only. |
| api.WorkerNavigator.hid 📋 | Chrome | 11/12/2024 | 663 | |
| api.WorkerNavigator.ml 📋 | Chrome | 4/4/2023 | 1251 | |
| api.WorkerNavigator.serial 📋 | Chrome | 3/2/2021 | 2014 | |
| api.WorkerNavigator.serviceWorker 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| api.WorkerNavigator.storageBuckets 📋 | Chrome | 2/20/2024 | 929 | |
| api.WorkerNavigator.usb 📋 | Chrome | 10/10/2023 | 1062 | Chrome: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome: Available in dedicated workers, not available in shared workers and service workers.Chrome Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Chrome Android: Available in dedicated workers, not available in shared workers and service workers.Edge: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Edge: Available in dedicated workers, not available in shared workers and service workers.Quest Browser: Available in dedicated workers, not available in shared workers and service workers.Opera: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera: Available in dedicated workers, not available in shared workers and service workers.Opera Android: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Opera Android: Available in dedicated workers, not available in shared workers and service workers.Samsung Internet: Available in dedicated workers and WebExtension service workers, not available in shared workers and normal service workers.Samsung Internet: Available in dedicated workers, not available in shared workers and service workers.WebView Android: WebView exposes navigator.usb, but does not support WebUSB. |
| api.WorkerNavigator.userAgentData 📋 | Chrome | 4/13/2021 | 1972 | |
| api.WritableStream.transferable 📋 | Chrome | 11/17/2020 | 2119 | |
| api.XMLHttpRequest.authorization_removed_cross_origin 📋 | Safari | 10/24/2022 | 1413 | |
| api.XMLHttpRequest.setAttributionReporting 📋 | Chrome | 5/14/2024 | 845 | |
| api.XMLHttpRequest.setPrivateToken 📋 | Chrome | 9/12/2023 | 1090 | |
| api.XRAnchor 📋 | Chrome | 8/25/2020 | 2203 | |
| api.XRAnchor.anchorSpace 📋 | Chrome | 8/25/2020 | 2203 | |
| api.XRAnchor.delete 📋 | Chrome | 8/25/2020 | 2203 | |
| api.XRAnchorSet 📋 | Chrome | 8/25/2020 | 2203 | |
| api.XRAnchorSet.@@iterator | Chrome | 8/25/2020 | 2203 | |
| api.XRAnchorSet.entries | Chrome | 8/25/2020 | 2203 | |
| api.XRAnchorSet.forEach | Chrome | 8/25/2020 | 2203 | |
| api.XRAnchorSet.has | Chrome | 8/25/2020 | 2203 | |
| api.XRAnchorSet.keys | Chrome | 8/25/2020 | 2203 | |
| api.XRAnchorSet.size | Chrome | 8/25/2020 | 2203 | |
| api.XRAnchorSet.values | Chrome | 8/25/2020 | 2203 | |
| api.XRBoundedReferenceSpace 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRBoundedReferenceSpace.boundsGeometry 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRCPUDepthInformation 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRCPUDepthInformation.data 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRCPUDepthInformation.getDepthInMeters 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRCamera 📋 | Chrome | 10/25/2022 | 1412 | |
| api.XRCamera.height 📋 | Chrome | 10/25/2022 | 1412 | |
| api.XRCamera.width 📋 | Chrome | 10/25/2022 | 1412 | |
| api.XRDepthInformation 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRDepthInformation.height 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRDepthInformation.normDepthBufferFromNormView 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRDepthInformation.rawValueToMeters 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRDepthInformation.width 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRFrame 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRFrame.createAnchor 📋 | Chrome | 8/25/2020 | 2203 | |
| api.XRFrame.fillJointRadii 📋 | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRFrame.fillPoses 📋 | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRFrame.getDepthInformation 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRFrame.getHitTestResults 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRFrame.getHitTestResultsForTransientInput 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRFrame.getJointPose 📋 | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRFrame.getLightEstimate 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRFrame.getPose 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRFrame.getViewerPose 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRFrame.session 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRFrame.trackedAnchors 📋 | Chrome | 8/25/2020 | 2203 | |
| api.XRHand 📋 | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRHand.@@iterator | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRHand.entries | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRHand.forEach | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRHand.get | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRHand.keys | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRHand.size | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRHand.values | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRHitTestResult 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRHitTestResult.createAnchor 📋 | Chrome | 8/25/2020 | 2203 | |
| api.XRHitTestResult.getPose 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRHitTestSource 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRHitTestSource.cancel 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRInputSource 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSource.gamepad 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSource.gripSpace 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSource.hand 📋 | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRInputSource.handedness 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSource.profiles 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSource.targetRayMode 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSource.targetRaySpace 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceArray 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceArray.@@iterator | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceArray.entries | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceArray.forEach | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceArray.keys | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceArray.length 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceArray.values | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceEvent 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceEvent.XRInputSourceEvent 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceEvent.frame 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourceEvent.inputSource 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourcesChangeEvent 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourcesChangeEvent.XRInputSourcesChangeEvent 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourcesChangeEvent.added 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourcesChangeEvent.removed 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRInputSourcesChangeEvent.session 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRJointPose 📋 | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRJointPose.radius 📋 | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRJointSpace 📋 | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRJointSpace.jointName 📋 | Chrome | 11/12/2024 | 663 | Edge: Hololens 2 only. |
| api.XRLayer 📋 | Edge | 7/16/2020 | 2243 | |
| api.XRLightEstimate 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRLightEstimate.primaryLightDirection 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRLightEstimate.primaryLightIntensity 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRLightEstimate.sphericalHarmonicsCoefficients 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRLightProbe 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRLightProbe.probeSpace 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRLightProbe.reflectionchange_event 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRPose 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRPose.emulatedPosition 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRPose.transform 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRay 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRRay.XRRay 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRRay.direction 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRRay.matrix 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRRay.origin 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRReferenceSpace 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRReferenceSpace.getOffsetReferenceSpace 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRReferenceSpace.reset_event 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRReferenceSpaceEvent 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRReferenceSpaceEvent.XRReferenceSpaceEvent 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRReferenceSpaceEvent.referenceSpace 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRReferenceSpaceEvent.transform 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRenderState 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRenderState.baseLayer 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRenderState.depthFar 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRenderState.depthNear 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRenderState.inlineVerticalFieldOfView 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRigidTransform 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRigidTransform.XRRigidTransform 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRigidTransform.inverse 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRigidTransform.matrix 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRigidTransform.orientation 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRRigidTransform.position 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.cancelAnimationFrame 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.depthDataFormat 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRSession.depthUsage 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRSession.domOverlayState 📋 | Chrome | 5/19/2020 | 2301 | |
| api.XRSession.enabledFeatures 📋 | Chrome | 3/7/2023 | 1279 | |
| api.XRSession.end 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.end_event 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.environmentBlendMode 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRSession.inputSources 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.inputsourceschange_event 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.interactionMode 📋 | Edge | 7/16/2020 | 2243 | |
| api.XRSession.preferredReflectionFormat 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRSession.renderState 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.requestAnimationFrame 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.requestHitTestSource 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRSession.requestHitTestSourceForTransientInput 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRSession.requestLightProbe 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRSession.requestReferenceSpace 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.select_event 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.selectend_event 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.selectstart_event 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.squeeze_event 📋 | Chrome | 5/19/2020 | 2301 | |
| api.XRSession.squeezeend_event 📋 | Chrome | 5/19/2020 | 2301 | |
| api.XRSession.squeezestart_event 📋 | Chrome | 5/19/2020 | 2301 | |
| api.XRSession.updateRenderState 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.visibilityState 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSession.visibilitychange_event 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSessionEvent 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSessionEvent.XRSessionEvent 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSessionEvent.session 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSpace 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSystem 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSystem.devicechange_event 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSystem.isSessionSupported 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRSystem.requestSession 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRTransientInputHitTestResult 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRTransientInputHitTestResult.inputSource 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRTransientInputHitTestResult.results 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRTransientInputHitTestSource 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRTransientInputHitTestSource.cancel 📋 | Chrome | 4/7/2020 | 2343 | |
| api.XRView 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRView.camera 📋 | Chrome | 10/25/2022 | 1412 | |
| api.XRView.eye 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRView.isFirstPersonObserver 📋 | Edge | 10/9/2020 | 2158 | Chrome: Always returns false since no headset with first-person view is supported.Chrome Android: Always returns false since no headset with first-person view is supported.Edge: Always returns false since no headset with first-person view is supported.Quest Browser: Always returns false since no headset with first-person view is supported.Opera: Always returns false since no headset with first-person view is supported.Opera Android: Always returns false since no headset with first-person view is supported.Samsung Internet: Always returns false since no headset with first-person view is supported. |
| api.XRView.projectionMatrix 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRView.recommendedViewportScale 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRView.requestViewportScale 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRView.transform 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRViewerPose 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRViewerPose.views 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRViewport 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRViewport.height 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRViewport.width 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRViewport.x 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRViewport.y 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRWebGLBinding 📋 | Chrome | 3/2/2021 | 2014 | |
| api.XRWebGLBinding.XRWebGLBinding 📋 | Chrome | 3/2/2021 | 2014 | |
| api.XRWebGLBinding.getCameraImage 📋 | Chrome | 10/25/2022 | 1412 | |
| api.XRWebGLBinding.getDepthInformation 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRWebGLBinding.getReflectionCubeMap 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRWebGLDepthInformation 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRWebGLDepthInformation.texture 📋 | Chrome | 4/13/2021 | 1972 | |
| api.XRWebGLLayer 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRWebGLLayer.XRWebGLLayer 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRWebGLLayer.antialias 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRWebGLLayer.framebuffer 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRWebGLLayer.framebufferHeight 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRWebGLLayer.framebufferWidth 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRWebGLLayer.getNativeFramebufferScaleFactor_static 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRWebGLLayer.getViewport 📋 | Chrome | 12/10/2019 | 2462 | |
| api.XRWebGLLayer.ignoreDepthValues 📋 | Chrome | 12/10/2019 | 2462 | |
| api.console.exception_static | Firefox | 3/18/2014 | 4555 | |
| api.console.profileEnd_static | Safari | 6/8/2009 | 6299 | |
| api.console.profile_static | Safari | 6/8/2009 | 6299 | |
| api.createImageBitmap.options_resizeQuality_parameter | Chrome | 10/12/2016 | 3616 | |
| api.fetch.authorization_removed_cross_origin 📋 | Safari | 10/24/2022 | 1413 | |
| api.fetch.body_readablestream 📋 | Edge | 9/1/2022 | 1466 | |
| api.fetch.init_attributionReporting_parameter 📋 | Chrome | 5/14/2024 | 845 | |
| api.fetch.init_browsingTopics_parameter | Chrome | 7/18/2023 | 1146 | |
| api.fetch.init_duplex_parameter 📋 | Edge | 9/1/2022 | 1466 | |
| api.fetch.init_priority_parameter | Chrome | 4/26/2022 | 1594 | |
| api.fetch.init_referrerPolicy_parameter | Chrome | 7/20/2016 | 3700 | |
| api.scheduler 📋 | Chrome | 9/21/2021 | 1811 | |
| api.trustedTypes 📋 | Chrome | 5/19/2020 | 2301 |
| API | First Browser | Date | Days in Limbo | Notes |
|---|---|---|---|---|
| css.at-rules.container.style_queries_for_custom_properties 📋 | Chrome | 3/7/2023 | 1279 | Safari: The document element cannot be a container. See bug 271040.Safari on iOS: The document element cannot be a container. See bug 271040.WebView on iOS: The document element cannot be a container. See bug 271040. |
| css.at-rules.counter-style.speak-as 📋 | Firefox | 10/14/2014 | 4345 | |
| css.at-rules.document | Firefox | 6/26/2018 | 2994 | Firefox: Only supports an empty url-prefix() value, which is supported due to its use in Firefox browser detection. Still supported in user stylesheets.Firefox for Android: Only supports an empty url-prefix() value, which is supported due to its use in Firefox for Android browser detection. Still supported in user stylesheets. |
| css.at-rules.font-face.OpenType_CBDT_CBLC | Chrome | 4/17/2018 | 3064 | |
| css.at-rules.font-face.OpenType_COLRv1 | Chrome | 2/1/2022 | 1678 | |
| css.at-rules.font-face.OpenType_SBIX | Safari | 3/21/2016 | 3821 | |
| css.at-rules.font-face.OpenType_SVG | Firefox | 7/22/2014 | 4429 | |
| css.at-rules.font-face.SVG_fonts | Safari | 3/18/2008 | 6746 | |
| css.at-rules.font-face.ascent-override 📋 | Chrome | 11/17/2020 | 2119 | |
| css.at-rules.font-face.descent-override 📋 | Chrome | 11/17/2020 | 2119 | |
| css.at-rules.font-face.font-feature-settings 📋 | Firefox | 12/1/2014 | 4297 | Firefox: The ISO/IEC CD 14496-22 3rd edition suggests using the ssty feature to provide glyph variants more suitable for use in scripts (for example primes used as superscripts). Starting with Firefox 29, this is done automatically by the MathML rendering engine. The ISO/IEC CD 14496-22 3rd edition also suggests applying the dtls feature to letters when placing mathematical accents to get dotless forms (for example dotless i, j with a hat). Starting with Firefox 35, this is done automatically by the MathML rendering engine. You can override the default values determined by the MathML rendering engine with CSS.Firefox: From Firefox 4 to Firefox 14 (inclusive), Firefox supported an older, slightly different syntax. See OpenType Font Feature support in Firefox 4.Firefox for Android: The ISO/IEC CD 14496-22 3rd edition suggests using the ssty feature to provide glyph variants more suitable for use in scripts (for example primes used as superscripts). Starting with Firefox for Android 29, this is done automatically by the MathML rendering engine. The ISO/IEC CD 14496-22 3rd edition also suggests applying the dtls feature to letters when placing mathematical accents to get dotless forms (for example dotless i, j with a hat). Starting with Firefox for Android 35, this is done automatically by the MathML rendering engine. You can override the default values determined by the MathML rendering engine with CSS.Firefox for Android: From Firefox for Android 4 to Firefox for Android 14 (inclusive), Firefox for Android supported an older, slightly different syntax. See OpenType Font Feature support in Firefox for Android 4. |
| css.at-rules.font-face.font-variation-settings 📋 | Firefox | 9/5/2018 | 2923 | |
| css.at-rules.font-face.line-gap-override 📋 | Chrome | 11/17/2020 | 2119 | |
| css.at-rules.font-face.src.drop_invalid_item | Chrome | 11/29/2022 | 1377 | Chrome: Chrome drops invalid item for tech() but not other invalid valuesChrome Android: Chrome Android drops invalid item for tech() but not other invalid valuesEdge: Edge drops invalid item for tech() but not other invalid valuesOpera: Opera drops invalid item for tech() but not other invalid valuesOpera Android: Opera Android drops invalid item for tech() but not other invalid valuesSamsung Internet: Samsung Internet drops invalid item for tech() but not other invalid valuesWebView Android: WebView Android drops invalid item for tech() but not other invalid values |
| css.at-rules.font-face.src.format_keyword | Safari | 6/8/2009 | 6299 | |
| css.at-rules.import.supports 📋 | Firefox | 7/4/2023 | 1160 | |
| css.at-rules.keyframes.named_range_keyframes 📋 | Chrome | 7/18/2023 | 1146 | |
| css.at-rules.media.-moz-device-pixel-ratio | Firefox | 3/22/2011 | 5647 | |
| css.at-rules.media.-webkit-animation | Safari | 6/8/2009 | 6299 | |
| css.at-rules.media.-webkit-transform-2d | Safari | 6/8/2009 | 6299 | |
| css.at-rules.media.-webkit-transition | Safari | 6/8/2009 | 6299 | |
| css.at-rules.media.color-index 📋 | Chrome | 8/20/2013 | 4765 | |
| css.at-rules.media.display-mode.picture-in-picture 📋 | Chrome | 3/19/2024 | 901 | |
| css.at-rules.media.inverted-colors 📋 | Safari | 3/21/2016 | 3821 | |
| css.at-rules.media.media_query_values | Firefox | 3/13/2018 | 3099 | |
| css.at-rules.media.prefers-color-scheme.respects-inherited-scheme | Firefox | 9/20/2022 | 1447 | Chrome: Only supports SVG images, not iframes.Chrome Android: Only supports SVG images, not iframes.Edge: Only supports SVG images, not iframes.Opera: Only supports SVG images, not iframes.Opera Android: Only supports SVG images, not iframes.Samsung Internet: Only supports SVG images, not iframes.WebView Android: Only supports SVG images, not iframes. |
| css.at-rules.media.prefers-reduced-data 📋 | Chrome | 8/25/2020 | 2203 | |
| css.at-rules.media.prefers-reduced-transparency 📋 | Firefox | 5/9/2023 | 1216 | |
| css.at-rules.media.video-dynamic-range 📋 | Chrome | 2/1/2022 | 1678 | |
| css.at-rules.page.bottom-center 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.bottom-left 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.bottom-left-corner 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.bottom-right 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.bottom-right-corner 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.left-bottom 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.left-middle 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.left-top 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.page-orientation 📋 | Chrome | 8/25/2020 | 2203 | |
| css.at-rules.page.right-bottom 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.right-middle 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.right-top 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.top-center 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.top-left 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.top-left-corner 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.top-right 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.page.top-right-corner 📋 | Chrome | 11/12/2024 | 663 | |
| css.at-rules.position-try 📋 | Chrome | 5/14/2024 | 845 | |
| css.at-rules.view-transition 📋 | Chrome | 6/11/2024 | 817 | |
| css.properties.-moz-float-edge | Firefox | 11/9/2004 | 7971 | |
| css.properties.-moz-force-broken-image-icon | Firefox | 11/9/2004 | 7971 | |
| css.properties.-moz-orient | Firefox | 8/16/2011 | 5500 | |
| css.properties.-moz-orient.block | Firefox | 8/11/2015 | 4044 | |
| css.properties.-moz-orient.inline | Firefox | 8/11/2015 | 4044 | |
| css.properties.-webkit-app-region | Chrome | 1/10/2013 | 4987 | |
| css.properties.-webkit-border-before | Chrome | 12/2/2010 | 5757 | |
| css.properties.-webkit-border-horizontal-spacing | Chrome | 12/11/2008 | 6478 | |
| css.properties.-webkit-border-vertical-spacing | Chrome | 12/11/2008 | 6478 | |
| css.properties.-webkit-box-reflect | Safari | 6/8/2009 | 6299 | |
| css.properties.-webkit-column-axis | Safari | 7/25/2012 | 5156 | |
| css.properties.-webkit-column-break-after | Chrome | 12/11/2008 | 6478 | |
| css.properties.-webkit-column-break-before | Chrome | 12/11/2008 | 6478 | |
| css.properties.-webkit-column-break-inside | Chrome | 12/11/2008 | 6478 | |
| css.properties.-webkit-column-progression | Safari on iOS | 9/18/2013 | 4736 | |
| css.properties.-webkit-cursor-visibility | Safari on iOS | 9/18/2013 | 4736 | |
| css.properties.-webkit-hyphenate-limit-after | Safari | 7/20/2011 | 5527 | |
| css.properties.-webkit-hyphenate-limit-before | Safari | 7/20/2011 | 5527 | |
| css.properties.-webkit-hyphenate-limit-lines | Safari | 7/25/2012 | 5156 | |
| css.properties.-webkit-line-align | Safari | 7/25/2012 | 5156 | |
| css.properties.-webkit-line-box-contain | Safari | 7/20/2011 | 5527 | |
| css.properties.-webkit-line-grid | Safari | 7/25/2012 | 5156 | |
| css.properties.-webkit-line-snap | Safari | 7/25/2012 | 5156 | |
| css.properties.-webkit-locale | Chrome | 4/27/2011 | 5611 | |
| css.properties.-webkit-logical-height | Chrome | 12/2/2010 | 5757 | |
| css.properties.-webkit-logical-width | Chrome | 12/2/2010 | 5757 | |
| css.properties.-webkit-margin-after | Chrome | 12/2/2010 | 5757 | |
| css.properties.-webkit-margin-before | Chrome | 12/2/2010 | 5757 | |
| css.properties.-webkit-mask-box-image | Safari | 3/18/2008 | 6746 | |
| css.properties.-webkit-mask-composite | Safari | 3/18/2008 | 6746 | |
| css.properties.-webkit-mask-source-type | Safari on iOS | 9/18/2013 | 4736 | |
| css.properties.-webkit-max-logical-height | Chrome | 12/2/2010 | 5757 | |
| css.properties.-webkit-max-logical-width | Chrome | 12/2/2010 | 5757 | |
| css.properties.-webkit-min-logical-height | Chrome | 12/2/2010 | 5757 | |
| css.properties.-webkit-min-logical-width | Chrome | 12/2/2010 | 5757 | |
| css.properties.-webkit-nbsp-mode | Safari | 6/8/2009 | 6299 | |
| css.properties.-webkit-perspective-origin-x | Chrome | 5/21/2009 | 6317 | |
| css.properties.-webkit-perspective-origin-y | Chrome | 5/21/2009 | 6317 | |
| css.properties.-webkit-rtl-ordering | Chrome | 12/11/2008 | 6478 | |
| css.properties.-webkit-tap-highlight-color | Safari on iOS | 6/21/2010 | 5921 | |
| css.properties.-webkit-text-combine | Chrome | 2/3/2011 | 5694 | |
| css.properties.-webkit-text-decorations-in-effect | Chrome | 12/11/2008 | 6478 | |
| css.properties.-webkit-text-zoom | Safari on iOS | 9/13/2016 | 3645 | |
| css.properties.-webkit-touch-callout | Safari on iOS | 7/11/2008 | 6631 | |
| css.properties.-webkit-transform-origin-x | Chrome | 12/11/2008 | 6478 | |
| css.properties.-webkit-transform-origin-y | Chrome | 12/11/2008 | 6478 | |
| css.properties.-webkit-transform-origin-z | Chrome | 5/21/2009 | 6317 | |
| css.properties.-webkit-user-drag | Chrome | 12/11/2008 | 6478 | |
| css.properties.align-content.flex_context.last_baseline | Firefox | 3/7/2017 | 3470 | Safari: This value is recognized, but has no effect. See bug 235005.Safari on iOS: This value is recognized, but has no effect. See bug 235005.WebView on iOS: This value is recognized, but has no effect. See bug 235005. |
| css.properties.align-content.multicol_context 📋 | Safari | 3/5/2024 | 915 | |
| css.properties.align-items.anchor-center 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.align-self.anchor-center 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.align-self.position_absolute_context 📋 | Chrome | 2/20/2024 | 929 | |
| css.properties.alignment-baseline 📋 | Chrome | 12/11/2008 | 6478 | |
| css.properties.alignment-baseline.alphabetic | Chrome | 2/4/2020 | 2406 | |
| css.properties.alignment-baseline.baseline | Chrome | 12/11/2008 | 6478 | |
| css.properties.alignment-baseline.central | Chrome | 12/11/2008 | 6478 | |
| css.properties.alignment-baseline.ideographic | Chrome | 12/11/2008 | 6478 | |
| css.properties.alignment-baseline.mathematical | Chrome | 12/11/2008 | 6478 | |
| css.properties.alignment-baseline.middle | Chrome | 12/11/2008 | 6478 | |
| css.properties.anchor-name 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.anchor-name.none 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.anchor-scope 📋 | Chrome | 11/12/2024 | 663 | |
| css.properties.anchor-scope.all 📋 | Chrome | 11/12/2024 | 663 | |
| css.properties.anchor-scope.none 📋 | Chrome | 11/12/2024 | 663 | |
| css.properties.animation.animation-timeline_included | Chrome | 7/18/2023 | 1146 | Chrome: Support is currently reset-only. Including animation resets a previously-declared animation-timeline value to auto, but animation-timeline cannot be set via animation.Chrome Android: Support is currently reset-only. Including animation resets a previously-declared animation-timeline value to auto, but animation-timeline cannot be set via animation.Edge: Support is currently reset-only. Including animation resets a previously-declared animation-timeline value to auto, but animation-timeline cannot be set via animation.Opera: Support is currently reset-only. Including animation resets a previously-declared animation-timeline value to auto, but animation-timeline cannot be set via animation.Opera Android: Support is currently reset-only. Including animation resets a previously-declared animation-timeline value to auto, but animation-timeline cannot be set via animation.Samsung Internet: Support is currently reset-only. Including animation resets a previously-declared animation-timeline value to auto, but animation-timeline cannot be set via animation.WebView Android: Support is currently reset-only. Including animation resets a previously-declared animation-timeline value to auto, but animation-timeline cannot be set via animation. |
| css.properties.animation-duration.auto 📋 | Chrome | 7/18/2023 | 1146 | Firefox: Firefox does not currently support the auto value and only accepts values in seconds or milliseconds. It's recommended that 1ms is used until auto is supported.Firefox for Android: Firefox for Android does not currently support the auto value and only accepts values in seconds or milliseconds. It's recommended that 1ms is used until auto is supported. |
| css.properties.animation-range 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.animation-range-end 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.animation-range-end.normal 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.animation-range-start 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.animation-range-start.normal 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.animation-timeline 📋 | Firefox | 2/14/2023 | 1300 | |
| css.properties.animation-timeline.scroll 📋 | Firefox | 2/14/2023 | 1300 | Firefox: Zero scroll range is treated as 100% but should be 0% (see bug 1780865).Firefox: Supports the deprecated horizontal and vertical axis values, and not the x and y values. |
| css.properties.animation-timeline.view 📋 | Firefox | 6/6/2023 | 1188 | |
| css.properties.background-clip.border-area 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.background-image.element 📋 | Firefox | 3/22/2011 | 5647 | |
| css.properties.background-position-x.side-relative_values | Firefox | 9/20/2016 | 3638 | |
| css.properties.background-position-y.side-relative_values | Firefox | 9/20/2016 | 3638 | |
| css.properties.baseline-shift 📋 | Chrome | 2/4/2020 | 2406 | |
| css.properties.baseline-shift.baseline 📋 | Chrome | 2/4/2020 | 2406 | |
| css.properties.baseline-shift.sub 📋 | Chrome | 2/4/2020 | 2406 | |
| css.properties.baseline-shift.super 📋 | Chrome | 2/4/2020 | 2406 | |
| css.properties.baseline-source 📋 | Chrome | 3/7/2023 | 1279 | |
| css.properties.baseline-source.auto 📋 | Chrome | 3/7/2023 | 1279 | |
| css.properties.baseline-source.first 📋 | Chrome | 3/7/2023 | 1279 | |
| css.properties.baseline-source.last 📋 | Chrome | 3/7/2023 | 1279 | |
| css.properties.block-size.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.block-size.fit-content_function | Firefox | 8/10/2021 | 1853 | |
| css.properties.bottom.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.bottom.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.box-flex-group | Safari on iOS | 6/29/2007 | 7009 | |
| css.properties.box-lines | Safari on iOS | 6/29/2007 | 7009 | |
| css.properties.break-after.always | Firefox | 1/7/2020 | 2434 | |
| css.properties.break-after.avoid-column | Chrome | 2/4/2020 | 2406 | |
| css.properties.break-after.avoid-page | Chrome | 2/4/2020 | 2406 | |
| css.properties.break-after.column | Chrome | 2/4/2020 | 2406 | |
| css.properties.break-after.multicol_context 📋 | Edge | 7/29/2015 | 4057 | Firefox: Only supported in print mode. See bug 1675322.Firefox for Android: Only supported in print mode. See bug 1675322. |
| css.properties.break-after.multicol_context.always | Firefox | 1/29/2019 | 2777 | Firefox: Only supported in print mode. See bug 1675322.Firefox for Android: Only supported in print mode. See bug 1675322. |
| css.properties.break-after.multicol_context.avoid | Chrome | 5/24/2022 | 1566 | |
| css.properties.break-after.multicol_context.avoid-column | Chrome | 5/24/2022 | 1566 | |
| css.properties.break-after.multicol_context.column | Edge | 7/29/2015 | 4057 | |
| css.properties.break-after.paged_context.always | Firefox | 1/29/2019 | 2777 | |
| css.properties.break-after.paged_context.avoid-page | Edge | 7/29/2015 | 4057 | |
| css.properties.break-after.recto | Chrome | 2/4/2020 | 2406 | |
| css.properties.break-after.verso | Chrome | 2/4/2020 | 2406 | |
| css.properties.break-before.always | Firefox | 1/7/2020 | 2434 | |
| css.properties.break-before.avoid-column | Chrome | 2/4/2020 | 2406 | |
| css.properties.break-before.avoid-page | Chrome | 2/4/2020 | 2406 | |
| css.properties.break-before.column | Chrome | 2/4/2020 | 2406 | |
| css.properties.break-before.multicol_context 📋 | Edge | 7/29/2015 | 4057 | Firefox: Only supported in print mode. See bug 1675322.Firefox for Android: Only supported in print mode. See bug 1675322. |
| css.properties.break-before.multicol_context.always | Firefox | 1/29/2019 | 2777 | Firefox: Only supported in print mode. See bug 1675322.Firefox for Android: Only supported in print mode. See bug 1675322. |
| css.properties.break-before.multicol_context.avoid | Chrome | 5/24/2022 | 1566 | |
| css.properties.break-before.multicol_context.avoid-column | Chrome | 5/24/2022 | 1566 | |
| css.properties.break-before.multicol_context.column | Edge | 7/29/2015 | 4057 | |
| css.properties.break-before.paged_context.always | Firefox | 1/29/2019 | 2777 | |
| css.properties.break-before.recto | Chrome | 2/4/2020 | 2406 | |
| css.properties.break-before.verso | Chrome | 2/4/2020 | 2406 | |
| css.properties.break-inside.paged_context.avoid-page | Edge | 7/29/2015 | 4057 | |
| css.properties.caption-side.writing-mode_relative_values | Firefox | 11/3/2015 | 3960 | |
| css.properties.clip-path.is_animatable | Firefox | 9/20/2016 | 3638 | |
| css.properties.color-adjust 📋 | Firefox | 1/7/2020 | 2434 | |
| css.properties.color-interpolation.linearGradient | Firefox | 2/20/2024 | 929 | |
| css.properties.container-type.scroll-state 📋 | Chrome | 2/4/2025 | 579 | |
| css.properties.content.none_applies_to_elements | Firefox | 8/10/2021 | 1853 | |
| css.properties.content-visibility.is_transitionable 📋 | Chrome | 9/12/2023 | 1090 | |
| css.properties.content-visibility.keyframe_animatable 📋 | Chrome | 8/15/2023 | 1118 | |
| css.properties.counter-reset.reset_does_not_affect_siblings | Firefox | 10/20/2020 | 2147 | |
| css.properties.counter-reset.reversed 📋 | Firefox | 1/11/2022 | 1699 | |
| css.properties.cursor.alias 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.all-scroll 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.col-resize 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.context-menu 📋 | Firefox | 11/29/2005 | 7586 | Chrome: This cursor is only supported on macOS and Linux.Chrome Android: This cursor is only supported on macOS and Linux.Firefox: This cursor is only supported on macOS and Linux.Quest Browser: This cursor is only supported on macOS and Linux.Opera Android: This cursor is only supported on macOS and Linux.Safari on iOS: If this value is used, the iPad will display the default pointer instead.Samsung Internet: This cursor is only supported on macOS and Linux.WebView Android: This cursor is only supported on macOS and Linux.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.copy 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.crosshair 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.default 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.e-resize 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.ew-resize 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.grab | Firefox | 2/4/2014 | 4597 | Chrome: Chrome also continues to support the prefixed versions.Chrome: Chrome 22 added Windows support.Chrome Android: Chrome Android also continues to support the prefixed versions.Chrome Android: Chrome Android 25 added Windows support.Quest Browser: Quest Browser also continues to support the prefixed versions.Quest Browser: Quest Browser 5.0 added Windows support.Opera: Opera also continues to support the prefixed versions.Opera: Opera 22 added Windows support.Opera Android: Opera also continues to support the prefixed versions.Opera Android: Opera 22 added Windows support.Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView Android: WebView Android also continues to support the prefixed versions.WebView Android: WebView Android 4.4 added Windows support.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.grabbing 📋 | Firefox | 2/4/2014 | 4597 | Chrome: Chrome 22 added Windows support.Chrome Android: Chrome Android 25 added Windows support.Edge: Edge 79 added Windows support.Quest Browser: Quest Browser 5.0 added Windows support.Opera: Opera 15 added Windows support.Opera Android: Opera Android 14 added Windows support.Safari on iOS: If this value is used, the iPad will display the default pointer instead.Samsung Internet: Samsung Internet 1.5 added Windows support.WebView Android: WebView Android 4.4 added Windows support.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.help 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.move 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.n-resize 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.ne-resize 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.nesw-resize 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.no-drop 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.none 📋 | Firefox | 6/17/2008 | 6655 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.not-allowed 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.ns-resize 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.nw-resize 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.nwse-resize 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.pointer 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.progress 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.row-resize 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.s-resize 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.se-resize 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.sw-resize 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.url_positioning_syntax | Firefox | 11/29/2005 | 7586 | Firefox: Firefox 4 added macOS support.Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.vertical-text 📋 | Firefox | 11/29/2005 | 7586 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.w-resize 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.wait 📋 | Safari | 2/2/2004 | 8252 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.zoom-in 📋 | Firefox | 9/17/2013 | 4737 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.cursor.zoom-out 📋 | Firefox | 9/17/2013 | 4737 | Safari on iOS: If this value is used, the iPad will display the default pointer instead.WebView on iOS: If this value is used, the iPad will display the default pointer instead. |
| css.properties.custom-property.env.titlebar-area-height 📋 | Chrome | 8/31/2021 | 1832 | Chrome: Before version 93, Linux is unsupported.Chrome Android: Before version 93, Linux is unsupported.Edge: Before version 93, Linux is unsupported. |
| css.properties.custom-property.env.titlebar-area-width 📋 | Chrome | 8/31/2021 | 1832 | Chrome: Before version 93, Linux is unsupported.Chrome Android: Before version 93, Linux is unsupported.Edge: Before version 93, Linux is unsupported. |
| css.properties.custom-property.env.titlebar-area-x 📋 | Chrome | 8/31/2021 | 1832 | Chrome: Before version 93, Linux is unsupported.Chrome Android: Before version 93, Linux is unsupported.Edge: Before version 93, Linux is unsupported. |
| css.properties.custom-property.env.titlebar-area-y 📋 | Chrome | 8/31/2021 | 1832 | Chrome: Before version 93, Linux is unsupported.Chrome Android: Before version 93, Linux is unsupported.Edge: Before version 93, Linux is unsupported. |
| css.properties.d 📋 | Chrome | 2/4/2020 | 2406 | Safari: The property parses, but has no effect.Safari on iOS: The property parses, but has no effect.WebView on iOS: The property parses, but has no effect. |
| css.properties.display.contents.contents_unusual | Chrome | 3/6/2018 | 3106 | |
| css.properties.display.is_transitionable 📋 | Chrome | 9/12/2023 | 1090 | |
| css.properties.display.keyframe_animatable 📋 | Chrome | 8/15/2023 | 1118 | |
| css.properties.display.list-item.legend-support | Chrome | 12/4/2018 | 2833 | |
| css.properties.display.math | Chrome | 1/10/2023 | 1335 | |
| css.properties.display.none.option_is_hidden | Firefox | 11/9/2004 | 7971 | |
| css.properties.display.ruby | Firefox | 5/12/2015 | 4135 | |
| css.properties.display.ruby-base | Firefox | 5/12/2015 | 4135 | |
| css.properties.display.ruby-base-container | Firefox | 5/12/2015 | 4135 | |
| css.properties.display.ruby-text | Firefox | 5/12/2015 | 4135 | |
| css.properties.display.ruby-text-container | Firefox | 5/12/2015 | 4135 | |
| css.properties.field-sizing 📋 | Chrome | 3/19/2024 | 901 | |
| css.properties.field-sizing.content 📋 | Chrome | 3/19/2024 | 901 | |
| css.properties.field-sizing.fixed 📋 | Chrome | 3/19/2024 | 901 | |
| css.properties.filter.svg_elements | Firefox | 1/13/2015 | 4254 | |
| css.properties.flex-grow.less_than_zero_animate | Firefox | 9/2/2014 | 4387 | Firefox: Before Firefox 32, Firefox wasn't able to animate values starting or stopping at 0.Firefox for Android: Before Firefox for Android 32, Firefox for Android wasn't able to animate values starting or stopping at 0. |
| css.properties.font-family.math | Chrome | 1/10/2023 | 1335 | |
| css.properties.font-family.ui-monospace | Safari | 3/24/2020 | 2357 | |
| css.properties.font-family.ui-rounded | Safari | 3/24/2020 | 2357 | |
| css.properties.font-family.ui-sans-serif | Safari | 3/24/2020 | 2357 | |
| css.properties.font-family.ui-serif | Safari | 3/24/2020 | 2357 | |
| css.properties.font-language-override 📋 | Firefox | 12/1/2014 | 4297 | |
| css.properties.font-palette.animation_computed | Chrome | 1/23/2024 | 957 | |
| css.properties.font-palette.palette-mix_function 📋 | Chrome | 1/23/2024 | 957 | |
| css.properties.font-size.math | Chrome | 1/10/2023 | 1335 | |
| css.properties.font-synthesis.position | Firefox | 9/26/2023 | 1076 | |
| css.properties.font-synthesis-position 📋 | Firefox | 9/26/2023 | 1076 | |
| css.properties.font-synthesis-position.auto 📋 | Firefox | 9/26/2023 | 1076 | |
| css.properties.font-synthesis-position.none 📋 | Firefox | 9/26/2023 | 1076 | |
| css.properties.font-variant-emoji.emoji 📋 | Chrome | 11/12/2024 | 663 | |
| css.properties.font-variant-emoji.normal 📋 | Chrome | 11/12/2024 | 663 | |
| css.properties.font-variant-emoji.text 📋 | Chrome | 11/12/2024 | 663 | |
| css.properties.font-variant-emoji.unicode 📋 | Chrome | 11/12/2024 | 663 | |
| css.properties.font-variant-position 📋 | Firefox | 12/1/2014 | 4297 | Chrome: The property is recognized, but has no effect.Chrome Android: The property is recognized, but has no effect.Edge: The property is recognized, but has no effect.Quest Browser: The property is recognized, but has no effect.Opera: The property is recognized, but has no effect.Opera Android: The property is recognized, but has no effect.Samsung Internet: The property is recognized, but has no effect.WebView Android: The property is recognized, but has no effect. |
| css.properties.font-variant-position.normal 📋 | Firefox | 1/7/2020 | 2434 | Chrome: The property is recognized, but has no effect.Chrome Android: The property is recognized, but has no effect.Edge: The property is recognized, but has no effect.Quest Browser: The property is recognized, but has no effect.Opera: The property is recognized, but has no effect.Opera Android: The property is recognized, but has no effect.Samsung Internet: The property is recognized, but has no effect.WebView Android: The property is recognized, but has no effect. |
| css.properties.font-variant-position.sub 📋 | Firefox | 1/7/2020 | 2434 | Chrome: The property is recognized, but has no effect.Chrome Android: The property is recognized, but has no effect.Edge: The property is recognized, but has no effect.Quest Browser: The property is recognized, but has no effect.Opera: The property is recognized, but has no effect.Opera Android: The property is recognized, but has no effect.Samsung Internet: The property is recognized, but has no effect.WebView Android: The property is recognized, but has no effect. |
| css.properties.font-variant-position.super 📋 | Firefox | 1/7/2020 | 2434 | Chrome: The property is recognized, but has no effect.Chrome Android: The property is recognized, but has no effect.Edge: The property is recognized, but has no effect.Quest Browser: The property is recognized, but has no effect.Opera: The property is recognized, but has no effect.Opera Android: The property is recognized, but has no effect.Samsung Internet: The property is recognized, but has no effect.WebView Android: The property is recognized, but has no effect. |
| css.properties.forced-color-adjust 📋 | Edge | 1/15/2020 | 2426 | |
| css.properties.forced-color-adjust.auto 📋 | Edge | 1/15/2020 | 2426 | |
| css.properties.forced-color-adjust.none 📋 | Edge | 1/15/2020 | 2426 | |
| css.properties.forced-color-adjust.preserve-parent-color 📋 | Chrome | 9/27/2022 | 1440 | |
| css.properties.glyph-orientation-vertical 📋 | Safari | 3/24/2020 | 2357 | |
| css.properties.grid-template-columns.masonry 📋 | Firefox | 6/2/2020 | 2287 | |
| css.properties.grid-template-rows.masonry 📋 | Firefox | 6/2/2020 | 2287 | |
| css.properties.hanging-punctuation 📋 | Safari on iOS | 9/13/2016 | 3645 | Safari: The characters U+0027 and U+0022 are not supported by the first and last keywords.Safari on iOS: The characters U+0027 and U+0022 are not supported by the first and last keywords.WebView on iOS: The characters U+0027 and U+0022 are not supported by the first and last keywords. |
| css.properties.hanging-punctuation.allow-end 📋 | Safari | 3/24/2020 | 2357 | |
| css.properties.hanging-punctuation.first 📋 | Safari | 3/24/2020 | 2357 | |
| css.properties.hanging-punctuation.last 📋 | Safari | 3/24/2020 | 2357 | |
| css.properties.hanging-punctuation.none 📋 | Safari | 3/24/2020 | 2357 | |
| css.properties.height.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.height.fit-content_function 📋 | Firefox | 8/10/2021 | 1853 | |
| css.properties.height.stretch 📋 | Chrome | 7/9/2013 | 4807 | |
| css.properties.hyphenate-limit-chars 📋 | Chrome | 1/10/2023 | 1335 | |
| css.properties.hyphenate-limit-chars.auto 📋 | Chrome | 1/10/2023 | 1335 | |
| css.properties.hyphens.language_afrikaans | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_albanian | Chrome | 4/4/2023 | 1251 | |
| css.properties.hyphens.language_amharic | Chrome | 4/4/2023 | 1251 | |
| css.properties.hyphens.language_armenian | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_assamese | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_basque | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_belarusian | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_bengali | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_bosnian | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_bulgarian | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_catalan | Safari | 7/20/2011 | 5527 | |
| css.properties.hyphens.language_cyrillic_mongolian | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_esperanto | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_estonian | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_ethiopic_script_mul | Chrome | 4/4/2023 | 1251 | |
| css.properties.hyphens.language_ethiopic_script_und | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_finnish | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_galician | Firefox | 12/20/2011 | 5374 | |
| css.properties.hyphens.language_georgian | Chrome | 4/4/2023 | 1251 | |
| css.properties.hyphens.language_german_swiss_orthography | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_german_traditional_orthography | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_gujarati | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_hindi | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_icelandic | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_interlingua | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_irish | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_kannada | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_kurmanji | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_latin | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_latvian | Chrome | 4/4/2023 | 1251 | |
| css.properties.hyphens.language_lithuanian | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_malayalam | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_marathi | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_modern_greek | Chrome | 4/4/2023 | 1251 | |
| css.properties.hyphens.language_mongolian | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_norwegian_nn | Safari on iOS | 10/12/2011 | 5443 | |
| css.properties.hyphens.language_old_slavonic | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_oriya | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_polish | Firefox | 7/22/2014 | 4429 | |
| css.properties.hyphens.language_punjabi | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_slovak | Chrome | 4/4/2023 | 1251 | |
| css.properties.hyphens.language_slovenian | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_tamil | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_telugu | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_turkish | Safari | 7/20/2011 | 5527 | |
| css.properties.hyphens.language_turkmen | Chrome | 11/17/2020 | 2119 | |
| css.properties.hyphens.language_upper_sorbian | Firefox | 11/8/2011 | 5416 | |
| css.properties.hyphens.language_welsh | Firefox | 11/8/2011 | 5416 | |
| css.properties.image-rendering.optimizeQuality | Firefox | 1/21/2010 | 6072 | |
| css.properties.image-rendering.optimizeSpeed | Firefox | 1/21/2010 | 6072 | |
| css.properties.image-rendering.smooth 📋 | Firefox | 10/5/2021 | 1797 | |
| css.properties.ime-mode 📋 | Firefox | 6/17/2008 | 6655 | |
| css.properties.initial-letter 📋 | Safari on iOS | 9/16/2015 | 4008 | Safari: See bug 229090 for the unprefixed property.Safari on iOS: See bug 229090 for the unprefixed property.WebView on iOS: See bug 229090 for the unprefixed property. |
| css.properties.initial-letter.normal 📋 | Safari on iOS | 9/16/2015 | 4008 | |
| css.properties.inline-size.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.inline-size.fit-content_function | Firefox | 8/10/2021 | 1853 | |
| css.properties.inset.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.inset.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.inset-block.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.inset-block.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.inset-block-end.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.inset-block-end.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.inset-block-start.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.inset-block-start.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.inset-inline.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.inset-inline.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.inset-inline-end.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.inset-inline-end.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.inset-inline-start.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.inset-inline-start.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.interpolate-size 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.interpolate-size.allow-keywords 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.interpolate-size.numeric-only 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.justify-items.anchor-center 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.justify-self.anchor-center 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.justify-self.position_absolute_context 📋 | Chrome | 2/20/2024 | 929 | |
| css.properties.left.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.left.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.line-clamp.none | Firefox | 7/9/2019 | 2616 | |
| css.properties.line-height-step 📋 | Chrome | 7/25/2017 | 3330 | |
| css.properties.list-style.symbols 📋 | Firefox | 1/13/2015 | 4254 | |
| css.properties.list-style-type.afar | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.amharic | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.amharic-abegede | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.asterisks | Safari | 7/20/2011 | 5527 | |
| css.properties.list-style-type.binary | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-abegede | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-abegede-am-et | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-abegede-gez | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-abegede-ti-er | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-abegede-ti-et | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-halehame-aa-er | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-halehame-aa-et | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-halehame-am-et | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-halehame-gez | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-halehame-om-et | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-halehame-sid-et | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-halehame-so-et | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.ethiopic-halehame-tig | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.footnotes | Safari | 7/20/2011 | 5527 | |
| css.properties.list-style-type.lower-hexadecimal | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.lower-norwegian | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.octal | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.oromo | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.sidama | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.somali | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.symbols 📋 | Firefox | 1/13/2015 | 4254 | |
| css.properties.list-style-type.tigre | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.tigrinya-er | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.tigrinya-er-abegede | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.tigrinya-et | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.tigrinya-et-abegede | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.upper-greek | Safari | 6/23/2003 | 8476 | |
| css.properties.list-style-type.upper-hexadecimal | Safari | 6/7/2010 | 5935 | |
| css.properties.list-style-type.upper-norwegian | Safari | 6/7/2010 | 5935 | |
| css.properties.margin.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-block.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-block-end.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-block-start.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-bottom.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-inline.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-inline-end.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-inline-start.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-left.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-right.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-top.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.margin-trim 📋 | Safari | 3/27/2023 | 1259 | |
| css.properties.margin-trim.block 📋 | Safari | 3/27/2023 | 1259 | |
| css.properties.margin-trim.block-end 📋 | Safari | 3/27/2023 | 1259 | |
| css.properties.margin-trim.block-start 📋 | Safari | 3/27/2023 | 1259 | |
| css.properties.margin-trim.inline 📋 | Safari | 3/27/2023 | 1259 | |
| css.properties.margin-trim.inline-end 📋 | Safari | 3/27/2023 | 1259 | |
| css.properties.margin-trim.inline-start 📋 | Safari | 3/27/2023 | 1259 | |
| css.properties.margin-trim.none 📋 | Safari | 3/27/2023 | 1259 | |
| css.properties.mask-border 📋 | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-border-outset 📋 | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-border-repeat 📋 | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-border-slice 📋 | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-border-source 📋 | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-border-width 📋 | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-clip.border | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-clip.content | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-clip.padding | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-clip.text | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-origin.border | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-origin.content | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-origin.fill-box | Firefox | 4/19/2017 | 3427 | |
| css.properties.mask-origin.padding | Chrome | 12/11/2008 | 6478 | |
| css.properties.mask-origin.stroke-box | Firefox | 4/19/2017 | 3427 | |
| css.properties.mask-origin.view-box | Firefox | 4/19/2017 | 3427 | |
| css.properties.math-depth 📋 | Chrome | 1/10/2023 | 1335 | |
| css.properties.math-shift 📋 | Chrome | 1/10/2023 | 1335 | |
| css.properties.max-block-size.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.max-block-size.fit-content_function | Firefox | 8/10/2021 | 1853 | |
| css.properties.max-height.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.max-height.fit-content_function 📋 | Firefox | 8/10/2021 | 1853 | |
| css.properties.max-height.stretch 📋 | Chrome | 7/9/2013 | 4807 | |
| css.properties.max-inline-size.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.max-inline-size.fit-content_function | Firefox | 8/10/2021 | 1853 | |
| css.properties.max-width.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.max-width.fit-content_function 📋 | Firefox | 8/10/2021 | 1853 | |
| css.properties.max-width.stretch 📋 | Chrome | 9/25/2012 | 5094 | |
| css.properties.min-block-size.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.min-block-size.fit-content_function | Firefox | 8/10/2021 | 1853 | |
| css.properties.min-height.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.min-height.fit-content_function 📋 | Firefox | 8/10/2021 | 1853 | |
| css.properties.min-height.stretch | Chrome | 7/9/2013 | 4807 | |
| css.properties.min-inline-size.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.min-inline-size.fit-content_function | Firefox | 8/10/2021 | 1853 | |
| css.properties.min-width.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.min-width.fit-content_function 📋 | Firefox | 8/10/2021 | 1853 | |
| css.properties.min-width.stretch | Chrome | 9/25/2012 | 5094 | |
| css.properties.mix-blend-mode.plus-darker 📋 | Safari | 3/24/2020 | 2357 | |
| css.properties.mix-blend-mode.svg_elements | Firefox | 9/2/2014 | 4387 | |
| css.properties.object-view-box 📋 | Chrome | 8/2/2022 | 1496 | |
| css.properties.object-view-box.none 📋 | Chrome | 8/2/2022 | 1496 | |
| css.properties.offset-path.margin-box 📋 | Safari | 9/16/2024 | 720 | |
| css.properties.orphans 📋 | Safari | 4/15/2005 | 7814 | |
| css.properties.overflow-anchor 📋 | Chrome | 1/25/2017 | 3511 | |
| css.properties.overflow-anchor.auto 📋 | Chrome | 1/25/2017 | 3511 | |
| css.properties.overflow-anchor.none 📋 | Chrome | 1/25/2017 | 3511 | |
| css.properties.overflow-block 📋 | Firefox | 9/3/2019 | 2560 | |
| css.properties.overflow-block.overlay | Firefox | 4/11/2023 | 1244 | |
| css.properties.overflow-clip-margin 📋 | Chrome | 4/13/2021 | 1972 | Chrome: Only works when both axes are using overflow: clip. See bug 40235584.Chrome Android: Only works when both axes are using overflow: clip. See bug 40235584.Edge: Only works when both axes are using overflow: clip. See bug 40235584.Firefox: Only supports using a length, not a visual box. See bug 1661582.Firefox for Android: Only supports using a length, not a visual box. See bug 1661582.Quest Browser: Only works when both axes are using overflow: clip. See bug 40235584.Opera: Only works when both axes are using overflow: clip. See bug 40235584.Opera Android: Only works when both axes are using overflow: clip. See bug 40235584.Samsung Internet: Only works when both axes are using overflow: clip. See bug 40235584.WebView Android: Only works when both axes are using overflow: clip. See bug 40235584. |
| css.properties.overflow-clip-margin.border-box 📋 | Chrome | 8/2/2022 | 1496 | |
| css.properties.overflow-clip-margin.content-box 📋 | Chrome | 8/2/2022 | 1496 | |
| css.properties.overflow-clip-margin.padding-box 📋 | Chrome | 8/2/2022 | 1496 | |
| css.properties.overflow-inline 📋 | Firefox | 9/3/2019 | 2560 | |
| css.properties.overflow-inline.overlay | Firefox | 4/11/2023 | 1244 | |
| css.properties.overlay 📋 | Chrome | 9/12/2023 | 1090 | |
| css.properties.overlay.auto 📋 | Chrome | 9/12/2023 | 1090 | |
| css.properties.overlay.none 📋 | Chrome | 9/12/2023 | 1090 | |
| css.properties.page-break-after.avoid 📋 | Chrome | 12/11/2008 | 6478 | |
| css.properties.page-break-before.avoid 📋 | Chrome | 12/11/2008 | 6478 | |
| css.properties.place-items.anchor-center 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.place-self.anchor-center 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.place-self.position_absolute_context 📋 | Chrome | 2/20/2024 | 929 | |
| css.properties.position-anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-anchor.auto 📋 | Chrome | 5/14/2024 | 845 | Chrome: The generic auto value exists, but it does not yet have the effect described in the spec.Chrome Android: The generic auto value exists, but it does not yet have the effect described in the spec.Edge: The generic auto value exists, but it does not yet have the effect described in the spec.Opera: The generic auto value exists, but it does not yet have the effect described in the spec.Opera Android: The generic auto value exists, but it does not yet have the effect described in the spec.Samsung Internet: The generic auto value exists, but it does not yet have the effect described in the spec.WebView Android: The generic auto value exists, but it does not yet have the effect described in the spec. |
| css.properties.position-area 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.block-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.block-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.bottom 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.center 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.inline-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.inline-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.left 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.none 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.right 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.self-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.self-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-all 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-block-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-block-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-bottom 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-inline-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-inline-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-top 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-x-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-x-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-y-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.span-y-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.top 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.x-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.x-self-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.x-self-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.x-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.y-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.y-self-end 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.y-self-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-area.y-start 📋 | Chrome | 9/17/2024 | 719 | |
| css.properties.position-try 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-try-fallbacks 📋 | Chrome | 8/20/2024 | 747 | |
| css.properties.position-try-fallbacks.flip-block 📋 | Chrome | 8/20/2024 | 747 | |
| css.properties.position-try-fallbacks.flip-inline 📋 | Chrome | 8/20/2024 | 747 | |
| css.properties.position-try-fallbacks.flip-start 📋 | Chrome | 8/20/2024 | 747 | |
| css.properties.position-try-fallbacks.none 📋 | Chrome | 8/20/2024 | 747 | |
| css.properties.position-try-fallbacks.position-area 📋 | Chrome | 8/20/2024 | 747 | Chrome: inset-area values had to be wrapped inside an inset-area() function.Chrome Android: inset-area values had to be wrapped inside an inset-area() function.Edge: inset-area values had to be wrapped inside an inset-area() function.Opera: inset-area values had to be wrapped inside an inset-area() function.Opera Android: inset-area values had to be wrapped inside an inset-area() function.Samsung Internet: inset-area values had to be wrapped inside an inset-area() function.WebView Android: inset-area values had to be wrapped inside an inset-area() function. |
| css.properties.position-try-order 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-try-order.most-block-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-try-order.most-height 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-try-order.most-inline-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-try-order.most-width 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-try-order.normal 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-visibility 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-visibility.always 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-visibility.anchors-visible 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.position-visibility.no-overflow 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.print-color-adjust.economy 📋 | Safari | 7/25/2012 | 5156 | |
| css.properties.print-color-adjust.exact 📋 | Safari | 7/25/2012 | 5156 | |
| css.properties.reading-flow 📋 | Chrome | 8/20/2024 | 747 | |
| css.properties.resize 📋 | Safari | 10/26/2007 | 6890 | Safari on iOS: The value is recognized, but has no effect.WebView on iOS: The value is recognized, but has no effect. |
| css.properties.resize.block | Firefox | 10/23/2018 | 2875 | |
| css.properties.resize.block_level_support | Safari | 6/8/2009 | 6299 | Firefox: resize doesn't have any effect on <iframe>. See bug 680823)Firefox for Android: resize doesn't have any effect on <iframe>. See bug 680823) |
| css.properties.resize.inline | Firefox | 10/23/2018 | 2875 | |
| css.properties.right.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.right.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.ruby-overhang 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.ruby-overhang.auto 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.ruby-overhang.none 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.ruby-position.alternate | Firefox | 4/19/2021 | 1966 | |
| css.properties.ruby-position.inter-character | Edge | 7/16/2020 | 2243 | Chrome: This value is only supported with the prefixed version of the property.Chrome Android: This value is only supported with the prefixed version of the property.Edge: This value is only supported with the prefixed version of the property.Quest Browser: This value is only supported with the prefixed version of the property.Opera: This value is only supported with the prefixed version of the property.Opera Android: This value is only supported with the prefixed version of the property.Samsung Internet: This value is only supported with the prefixed version of the property.WebView Android: This value is only supported with the prefixed version of the property. |
| css.properties.rx 📋 | Firefox | 1/7/2020 | 2434 | Safari: The value is recognized, but has no effect. This property is only recognized as an attribute applied to the SVG element. See bug 266090.Safari on iOS: The value is recognized, but has no effect. This property is only recognized as an attribute applied to the SVG element. See bug 266090.WebView on iOS: The value is recognized, but has no effect. This property is only recognized as an attribute applied to the SVG element. See bug 266090. |
| css.properties.ry 📋 | Firefox | 1/7/2020 | 2434 | Safari: The value is recognized, but has no effect. This property is only recognized as an attribute applied to the SVG element. See bug 266090.Safari on iOS: The value is recognized, but has no effect. This property is only recognized as an attribute applied to the SVG element. See bug 266090.WebView on iOS: The value is recognized, but has no effect. This property is only recognized as an attribute applied to the SVG element. See bug 266090. |
| css.properties.scroll-initial-target 📋 | Chrome | 2/4/2025 | 579 | |
| css.properties.scroll-initial-target.nearest 📋 | Chrome | 2/4/2025 | 579 | |
| css.properties.scroll-initial-target.none 📋 | Chrome | 2/4/2025 | 579 | |
| css.properties.scroll-timeline 📋 | Firefox | 3/14/2023 | 1272 | Firefox: The syntax of the shorthand property uses the fixed order of name and then the axis.Firefox: Supports the deprecated horizontal and vertical axis values, and not the x and y values.Firefox: The @scroll-timeline at-rule is replaced with the longhand properties scroll-timeline-name and scroll-timeline-axis and the shorthand property scroll-timeline. |
| css.properties.scroll-timeline-axis 📋 | Firefox | 3/14/2023 | 1272 | Firefox: The syntax of the shorthand property uses the fixed order of name and then the axis.Firefox: Supports the deprecated horizontal and vertical values, and not the x and y values.Firefox: The @scroll-timeline at-rule is replaced with the longhand properties scroll-timeline-name and scroll-timeline-axis and the shorthand property scroll-timeline. |
| css.properties.scroll-timeline-axis.block 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.scroll-timeline-axis.inline 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.scroll-timeline-axis.x 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.scroll-timeline-axis.y 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.scroll-timeline-name 📋 | Firefox | 3/14/2023 | 1272 | Firefox: The syntax of the shorthand property uses the fixed order of name and then the axis.Firefox: The @scroll-timeline at-rule is replaced with the longhand properties scroll-timeline-name and scroll-timeline-axis and the shorthand property scroll-timeline. |
| css.properties.scrollbar-color 📋 | Firefox | 12/11/2018 | 2826 | |
| css.properties.scrollbar-color.auto 📋 | Firefox | 12/11/2018 | 2826 | |
| css.properties.shape-image-threshold.percentages | Chrome | 10/22/2019 | 2511 | |
| css.properties.speak 📋 | Chrome | 2/4/2020 | 2406 | Chrome: The implementation is not compliant with the specification, see bug 40813740.Chrome Android: The implementation is not compliant with the specification, see bug 40813740.Edge: The implementation is not compliant with the specification, see bug 40813740.Quest Browser: The implementation is not compliant with the specification, see bug 40813740.Opera: The implementation is not compliant with the specification, see bug 40813740.Opera Android: The implementation is not compliant with the specification, see bug 40813740.Samsung Internet: The implementation is not compliant with the specification, see bug 40813740.WebView Android: The implementation is not compliant with the specification, see bug 40813740. |
| css.properties.speak-as 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| css.properties.speak-as.digits 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| css.properties.speak-as.literal-punctuation 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| css.properties.speak-as.no-punctuation 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| css.properties.speak-as.normal 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| css.properties.speak-as.spell-out 📋 | Safari on iOS | 3/29/2018 | 3083 | |
| css.properties.stroke-color 📋 | Safari | 3/24/2020 | 2357 | |
| css.properties.text-box 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.text-box.normal 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.text-box-edge 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.text-box-edge.auto 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.text-box-trim 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.text-box-trim.none 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.text-box-trim.trim-both 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.text-box-trim.trim-end 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.text-box-trim.trim-start 📋 | Safari | 12/11/2024 | 634 | |
| css.properties.text-decoration.includes_thickness | Firefox | 10/22/2019 | 2511 | |
| css.properties.text-decoration-line.grammar-error 📋 | Chrome | 1/23/2024 | 957 | |
| css.properties.text-decoration-line.spelling-error 📋 | Chrome | 1/23/2024 | 957 | |
| css.properties.text-decoration-skip 📋 | Safari | 3/25/2019 | 2722 | Chrome: Only supports the deprecated ink value.Chrome Android: Only supports the deprecated ink value.Opera: Only supports the deprecated ink value.Opera Android: Only supports the deprecated ink value.Safari: Supports only none, auto, and objects values.Safari: Supports only none, auto, and objects values.Safari on iOS: Supports only none, auto, and objects values.Safari on iOS: Supports only none, auto, and objects values.Samsung Internet: Only supports the deprecated ink value.WebView Android: Only supports the deprecated ink value.WebView on iOS: Supports only none, auto, and objects values.WebView on iOS: Supports only none, auto, and objects values. |
| css.properties.text-decoration-skip.auto 📋 | Safari | 3/24/2020 | 2357 | |
| css.properties.text-decoration-skip.none 📋 | Safari | 3/24/2020 | 2357 | |
| css.properties.text-decoration-skip-ink.all 📋 | Firefox | 4/7/2020 | 2343 | |
| css.properties.text-emphasis-position.auto | Firefox | 10/29/2024 | 677 | |
| css.properties.text-indent.each-line 📋 | Safari | 9/20/2021 | 1812 | |
| css.properties.text-indent.hanging 📋 | Safari | 9/20/2021 | 1812 | |
| css.properties.text-justify 📋 | Chrome | 1/14/2014 | 4618 | Chrome: inter-word and distribute (deprecated) values are supported, but distribute behavior is buggy.Chrome Android: inter-word and distribute (deprecated) values are supported, but distribute behavior is buggy.Edge: inter-word and distribute (deprecated) values are supported, but distribute behavior is buggy.Edge: Standard values inter-character and none are supported. The deprecated distribute value is also supported.Internet Explorer: Standard values inter-character and none are supported. The deprecated distribute value is also supported.Quest Browser: inter-word and distribute (deprecated) values are supported, but distribute behavior is buggy.Opera: inter-word and distribute (deprecated) values are supported, but distribute behavior is buggy. |
| css.properties.text-justify.auto 📋 | Firefox | 8/8/2017 | 3316 | |
| css.properties.text-justify.inter-character 📋 | Firefox | 8/8/2017 | 3316 | |
| css.properties.text-justify.inter-word 📋 | Firefox | 8/8/2017 | 3316 | |
| css.properties.text-justify.none 📋 | Firefox | 8/8/2017 | 3316 | |
| css.properties.text-overflow.string | Firefox | 12/20/2011 | 5374 | |
| css.properties.text-overflow.two_value_syntax | Firefox | 12/20/2011 | 5374 | |
| css.properties.text-size-adjust 📋 | Safari on iOS | 6/29/2007 | 7009 | |
| css.properties.text-size-adjust.auto 📋 | Chrome | 10/12/2016 | 3616 | |
| css.properties.text-size-adjust.none 📋 | Chrome | 10/12/2016 | 3616 | |
| css.properties.text-size-adjust.percentages 📋 | Edge | 7/29/2015 | 4057 | |
| css.properties.text-spacing-trim 📋 | Chrome | 3/19/2024 | 901 | |
| css.properties.text-spacing-trim.normal 📋 | Chrome | 3/19/2024 | 901 | |
| css.properties.text-spacing-trim.space-all 📋 | Chrome | 3/19/2024 | 901 | |
| css.properties.text-spacing-trim.space-first 📋 | Chrome | 3/19/2024 | 901 | |
| css.properties.text-spacing-trim.trim-start 📋 | Chrome | 3/19/2024 | 901 | |
| css.properties.text-transform.dutch_ij_digraph | Firefox | 7/17/2012 | 5164 | |
| css.properties.text-transform.full-size-kana 📋 | Firefox | 12/11/2018 | 2826 | |
| css.properties.text-transform.full-width 📋 | Firefox | 2/19/2013 | 4947 | |
| css.properties.text-transform.greek_accented_characters | Firefox | 8/28/2012 | 5122 | |
| css.properties.text-transform.math-auto 📋 | Chrome | 1/10/2023 | 1335 | |
| css.properties.text-wrap.pretty 📋 | Chrome | 9/12/2023 | 1090 | |
| css.properties.text-wrap-style.pretty 📋 | Chrome | 10/15/2024 | 691 | |
| css.properties.timeline-scope 📋 | Chrome | 8/15/2023 | 1118 | |
| css.properties.timeline-scope.all 📋 | Chrome | 8/15/2023 | 1118 | |
| css.properties.timeline-scope.none 📋 | Chrome | 8/15/2023 | 1118 | |
| css.properties.top.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.top.anchor-size 📋 | Chrome | 1/14/2025 | 600 | |
| css.properties.touch-action.pan-down | Chrome | 12/1/2016 | 3566 | |
| css.properties.touch-action.pan-left | Chrome | 12/1/2016 | 3566 | |
| css.properties.touch-action.pan-right | Chrome | 12/1/2016 | 3566 | |
| css.properties.touch-action.pan-up | Chrome | 12/1/2016 | 3566 | |
| css.properties.user-modify | Safari | 10/26/2007 | 6890 | Firefox: While the CSS property is parsed and accepted, it does not have any effect.Firefox for Android: While the CSS property is parsed and accepted, it does not have any effect. |
| css.properties.user-modify.read-write-plaintext-only | Safari | 10/26/2007 | 6890 | |
| css.properties.view-timeline 📋 | Firefox | 6/6/2023 | 1188 | Firefox: Now supports the x and y values, and also the deprecated horizontal and vertical values. |
| css.properties.view-timeline-axis 📋 | Firefox | 6/6/2023 | 1188 | Firefox: Now supports the x and y values, and also the deprecated horizontal and vertical values. |
| css.properties.view-timeline-axis.block 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.view-timeline-axis.inline 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.view-timeline-axis.x 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.view-timeline-axis.y 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.view-timeline-inset 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.view-timeline-inset.auto 📋 | Chrome | 7/18/2023 | 1146 | |
| css.properties.view-timeline-name 📋 | Firefox | 3/14/2023 | 1272 | |
| css.properties.view-transition-class 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.view-transition-class.none 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.view-transition-name 📋 | Chrome | 3/7/2023 | 1279 | |
| css.properties.view-transition-name.none 📋 | Chrome | 3/7/2023 | 1279 | |
| css.properties.white-space.shorthand_values | Chrome | 5/30/2023 | 1195 | Chrome: Only accepts values for white-space-collapse and text-wrap-mode, not white-space-trim.Chrome Android: Only accepts values for white-space-collapse and text-wrap-mode, not white-space-trim.Edge: Only accepts values for white-space-collapse and text-wrap-mode, not white-space-trim.Opera: Only accepts values for white-space-collapse and text-wrap-mode, not white-space-trim.Opera Android: Only accepts values for white-space-collapse and text-wrap-mode, not white-space-trim.Samsung Internet: Only accepts values for white-space-collapse and text-wrap-mode, not white-space-trim.WebView Android: Only accepts values for white-space-collapse and text-wrap-mode, not white-space-trim. |
| css.properties.white-space.svg_elements | Firefox | 2/24/2015 | 4212 | |
| css.properties.white-space-collapse.preserve-spaces 📋 | Firefox | 3/19/2024 | 901 | |
| css.properties.widows 📋 | Safari | 4/15/2005 | 7814 | |
| css.properties.width.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.properties.width.fit-content_function 📋 | Firefox | 8/10/2021 | 1853 | |
| css.properties.word-break.auto-phrase 📋 | Chrome | 10/31/2023 | 1041 | Chrome: This value is only applicable if lang="ja" is specified. This value has no effect on other locales.Chrome Android: This value is only applicable if lang="ja" is specified. This value has no effect on other locales.Edge: This value is only applicable if lang="ja" is specified. This value has no effect on other locales.Opera: This value is only applicable if lang="ja" is specified. This value has no effect on other locales.Opera Android: This value is only applicable if lang="ja" is specified. This value has no effect on other locales.Samsung Internet: This value is only applicable if lang="ja" is specified. This value has no effect on other locales.WebView Android: This value is only applicable if lang="ja" is specified. This value has no effect on other locales. |
| css.properties.word-spacing.percentages | Safari on iOS | 9/18/2013 | 4736 | |
| css.properties.writing-mode.sideways-lr | Firefox | 12/15/2015 | 3918 | |
| css.properties.writing-mode.sideways-rl | Firefox | 12/15/2015 | 3918 | |
| css.properties.zoom.reset | Safari | 3/18/2008 | 6746 | |
| css.selectors.-moz-color-swatch | Firefox | 2/4/2014 | 4597 | |
| css.selectors.-moz-first-node | Firefox | 1/7/2020 | 2434 | |
| css.selectors.-moz-focus-inner | Firefox | 1/7/2020 | 2434 | |
| css.selectors.-moz-last-node | Firefox | 1/7/2020 | 2434 | |
| css.selectors.-moz-list-bullet | Firefox | 1/7/2020 | 2434 | |
| css.selectors.-moz-list-number | Firefox | 1/7/2020 | 2434 | |
| css.selectors.-moz-only-whitespace | Firefox | 11/9/2004 | 7971 | |
| css.selectors.-moz-progress-bar | Firefox | 1/7/2020 | 2434 | |
| css.selectors.-moz-range-progress | Firefox | 6/25/2013 | 4821 | |
| css.selectors.-moz-range-thumb | Firefox | 5/14/2013 | 4863 | |
| css.selectors.-moz-range-track | Firefox | 5/14/2013 | 4863 | |
| css.selectors.-moz-submit-invalid | Firefox | 4/19/2021 | 1966 | Firefox: From Firefox 88 the feature has been placed behind a flag. See bug 1694129.Firefox for Android: From version 88, the feature has been withdrawn. See bug 1694129. |
| css.selectors.-moz-window-inactive | Firefox | 3/22/2011 | 5647 | |
| css.selectors.-webkit-inner-spin-button | Safari | 6/7/2010 | 5935 | |
| css.selectors.-webkit-meter-bar | Chrome | 6/7/2011 | 5570 | |
| css.selectors.-webkit-meter-even-less-good-value | Chrome | 6/7/2011 | 5570 | |
| css.selectors.-webkit-meter-inner-element | Chrome | 11/6/2012 | 5052 | |
| css.selectors.-webkit-meter-optimum-value | Chrome | 6/7/2011 | 5570 | |
| css.selectors.-webkit-meter-suboptimum-value | Chrome | 6/7/2011 | 5570 | |
| css.selectors.-webkit-progress-bar | Chrome | 2/21/2013 | 4945 | |
| css.selectors.-webkit-progress-inner-element | Chrome | 11/6/2012 | 5052 | |
| css.selectors.-webkit-progress-value | Chrome | 2/21/2013 | 4945 | |
| css.selectors.-webkit-resizer | Chrome | 5/21/2009 | 6317 | |
| css.selectors.-webkit-scrollbar | Chrome | 5/21/2009 | 6317 | Safari on iOS: From Safari 13, only display: none works with this pseudo-element. Other styles have no effect.WebView on iOS: From Safari 13, only display: none works with this pseudo-element. Other styles have no effect. |
| css.selectors.-webkit-scrollbar-button | Chrome | 5/21/2009 | 6317 | |
| css.selectors.-webkit-scrollbar-corner | Chrome | 5/21/2009 | 6317 | |
| css.selectors.-webkit-scrollbar-thumb | Chrome | 5/21/2009 | 6317 | |
| css.selectors.-webkit-scrollbar-track | Chrome | 5/21/2009 | 6317 | |
| css.selectors.-webkit-scrollbar-track-piece | Chrome | 5/21/2009 | 6317 | |
| css.selectors.-webkit-search-cancel-button | Safari on iOS | 6/29/2007 | 7009 | |
| css.selectors.-webkit-search-results-button | Safari on iOS | 6/29/2007 | 7009 | |
| css.selectors.-webkit-slider-runnable-track | Chrome | 5/19/2020 | 2301 | |
| css.selectors.-webkit-slider-thumb | Chrome | 5/19/2020 | 2301 | |
| css.selectors.active-view-transition 📋 | Chrome | 5/14/2024 | 845 | |
| css.selectors.active-view-transition-type 📋 | Chrome | 5/14/2024 | 845 | |
| css.selectors.attribute.case_sensitive_modifier | Firefox | 3/19/2019 | 2728 | |
| css.selectors.buffering 📋 | Safari | 3/14/2022 | 1637 | |
| css.selectors.cue.selector_argument | Chrome | 3/26/2013 | 4912 | |
| css.selectors.details-content 📋 | Chrome | 11/12/2024 | 663 | |
| css.selectors.first-child.no_parent_required | Firefox | 3/7/2017 | 3470 | |
| css.selectors.first-letter.dutch_ij_digraph | Firefox | 3/23/2021 | 1993 | |
| css.selectors.first-letter.svg_text_element | Firefox | 3/19/2024 | 901 | |
| css.selectors.first-line.svg_text_element | Firefox | 3/19/2024 | 901 | |
| css.selectors.fullscreen.all_elements | Firefox | 12/15/2015 | 3918 | |
| css.selectors.future 📋 | Chrome | 11/6/2012 | 5052 | |
| css.selectors.grammar-error 📋 | Chrome | 1/23/2024 | 957 | |
| css.selectors.highlight 📋 | Edge | 9/1/2022 | 1466 | Firefox: Cannot yet be used with text-decoration and text-shadow.Safari: The style is ignored when combined with user-select: none. See bug 278455.Safari on iOS: The style is ignored when combined with user-select: none. See bug 278455.WebView on iOS: The style is ignored when combined with user-select: none. See bug 278455. |
| css.selectors.host-context 📋 | Chrome | 10/12/2016 | 3616 | |
| css.selectors.lang.argument_list | Safari on iOS | 9/16/2015 | 4008 | |
| css.selectors.lang.wildcards | Safari on iOS | 9/16/2015 | 4008 | |
| css.selectors.last-child.no_parent_required | Firefox | 3/7/2017 | 3470 | |
| css.selectors.left 📋 | Safari | 6/7/2010 | 5935 | |
| css.selectors.marker.animation_and_transition_support | Firefox | 8/25/2020 | 2203 | |
| css.selectors.muted 📋 | Safari | 3/14/2022 | 1637 | |
| css.selectors.nth-child.no_parent_required | Firefox | 3/7/2017 | 3470 | |
| css.selectors.nth-last-child.no_parent_required | Firefox | 3/7/2017 | 3470 | |
| css.selectors.only-child.no_parent_required | Firefox | 3/7/2017 | 3470 | |
| css.selectors.open 📋 | Chrome | 2/4/2025 | 579 | Chrome: The selector is recognized, but has no effect.Chrome Android: The selector is recognized, but has no effect.Edge: The selector is recognized, but has no effect.Opera: The selector is recognized, but has no effect.Opera Android: The selector is recognized, but has no effect.Samsung Internet: The selector is recognized, but has no effect.WebView Android: The selector is recognized, but has no effect. |
| css.selectors.past 📋 | Chrome | 11/6/2012 | 5052 | |
| css.selectors.paused 📋 | Safari | 3/14/2022 | 1637 | |
| css.selectors.picture-in-picture 📋 | Safari | 3/24/2020 | 2357 | |
| css.selectors.playing 📋 | Safari | 3/14/2022 | 1637 | |
| css.selectors.right 📋 | Safari | 6/7/2010 | 5935 | |
| css.selectors.seeking 📋 | Safari | 3/14/2022 | 1637 | |
| css.selectors.selection 📋 | Safari | 10/24/2003 | 8353 | |
| css.selectors.selection.text-decoration | Edge | 9/1/2022 | 1466 | |
| css.selectors.spelling-error 📋 | Chrome | 1/23/2024 | 957 | |
| css.selectors.stalled 📋 | Safari | 3/14/2022 | 1637 | |
| css.selectors.view-transition 📋 | Chrome | 1/10/2023 | 1335 | |
| css.selectors.view-transition-group 📋 | Chrome | 1/10/2023 | 1335 | |
| css.selectors.view-transition-image-pair 📋 | Chrome | 1/10/2023 | 1335 | |
| css.selectors.view-transition-new 📋 | Chrome | 1/10/2023 | 1335 | |
| css.selectors.view-transition-old 📋 | Chrome | 1/10/2023 | 1335 | |
| css.selectors.volume-locked 📋 | Safari | 3/14/2022 | 1637 | |
| css.selectors.xr-overlay 📋 | Chrome | 5/19/2020 | 2301 | |
| css.types.abs 📋 | Safari | 3/14/2022 | 1637 | |
| css.types.anchor 📋 | Chrome | 5/14/2024 | 845 | |
| css.types.anchor-size 📋 | Chrome | 5/14/2024 | 845 | |
| css.types.anchor-size.inset_margin | Chrome | 1/14/2025 | 600 | |
| css.types.attr.fallback | Firefox | 10/24/2023 | 1048 | |
| css.types.attr.type-or-unit | Chrome | 2/4/2025 | 579 | |
| css.types.basic-shape.path.d 📋 | Chrome | 7/20/2016 | 3700 | |
| css.types.calc-size 📋 | Chrome | 9/17/2024 | 719 | |
| css.types.color.system-color.mark_marktext_buttonborder 📋 | Firefox | 1/17/2023 | 1328 | |
| css.types.image.cross-fade 📋 | Chrome | 2/8/2012 | 5324 | Chrome: Supports the original dual-image with percentage implementation only.Chrome: See bug 40470742 for supporting the unprefixed cross-fade() function.Chrome Android: Supports the original dual-image with percentage implementation only.Chrome Android: See bug 40470742 for supporting the unprefixed cross-fade() function.Edge: Supports the original dual-image with percentage implementation only.Edge: See bug 40470742 for supporting the unprefixed cross-fade() function.Quest Browser: Supports the original dual-image with percentage implementation only.Quest Browser: See bug 40470742 for supporting the unprefixed cross-fade() function.Opera: Supports the original dual-image with percentage implementation only.Opera: See bug 40470742 for supporting the unprefixed cross-fade() function.Opera Android: Supports the original dual-image with percentage implementation only.Opera Android: See bug 40470742 for supporting the unprefixed cross-fade() function.Safari: Supports the original dual-image with percentage implementation only.Safari: Supports the original dual-image with percentage implementation only.Safari on iOS: Support for the original dual-image with percentage implementation only.Safari on iOS: Supports the original dual-image with percentage implementation only.Samsung Internet: Supports the original dual-image with percentage implementation only.Samsung Internet: See bug 40470742 for supporting the unprefixed cross-fade() function.WebView Android: Supports the original dual-image with percentage implementation only.WebView Android: See bug 40470742 for supporting the unprefixed cross-fade() function.WebView on iOS: Support for the original dual-image with percentage implementation only.WebView on iOS: Supports the original dual-image with percentage implementation only. |
| css.types.image.element 📋 | Firefox | 11/14/2017 | 3218 | Firefox: -moz-element() is limited to background-image, background, border-image and border-image-source.Firefox: -moz-element() is limited to background-image and background.Firefox for Android: -moz-element() is limited to background-image, background, border-image and border-image-source.Firefox for Android: -moz-element() is limited to background-image and background. |
| css.types.image.paint 📋 | Chrome | 3/6/2018 | 3106 | |
| css.types.length.rcap 📋 | Chrome | 10/10/2023 | 1062 | |
| css.types.length.rch 📋 | Chrome | 3/7/2023 | 1279 | |
| css.types.length.rex 📋 | Chrome | 3/7/2023 | 1279 | |
| css.types.length.ric 📋 | Chrome | 3/7/2023 | 1279 | |
| css.types.ratio.number_value | Firefox | 6/30/2020 | 2259 | |
| css.types.sign 📋 | Safari | 3/14/2022 | 1637 | |
| css.types.text-edge 📋 | Safari | 12/11/2024 | 634 | |
| css.types.text-edge.alphabetic 📋 | Safari | 12/11/2024 | 634 | |
| css.types.text-edge.cap 📋 | Safari | 12/11/2024 | 634 | |
| css.types.text-edge.ex 📋 | Safari | 12/11/2024 | 634 | |
| css.types.text-edge.text 📋 | Safari | 12/11/2024 | 634 |
| API | First Browser | Date | Days in Limbo | Notes |
|---|---|---|---|---|
| html.elements.a.attributionsourceid 📋 | Safari | 4/26/2021 | 1959 | |
| html.elements.a.attributionsrc 📋 | Chrome | 5/14/2024 | 845 | |
| html.elements.a.coords 📋 | Safari | 6/23/2003 | 8476 | Firefox: You can no longer nest an <a> element inside a <map> element to create a hotspot region - coords and shape attribute support removed.Firefox for Android: You can no longer nest an <a> element inside a <map> element to create a hotspot region - coords and shape attribute support removed. |
| html.elements.a.href.href_sms | Firefox | 4/24/2012 | 5248 | |
| html.elements.a.hreftranslate | Chrome | 4/7/2020 | 2343 | |
| html.elements.a.referrerpolicy.no-referrer-when-downgrade | Chrome | 5/25/2016 | 3756 | |
| html.elements.a.referrerpolicy.origin-when-cross-origin | Chrome | 5/25/2016 | 3756 | |
| html.elements.a.referrerpolicy.unsafe-url | Chrome | 5/25/2016 | 3756 | |
| html.elements.a.shape 📋 | Safari | 6/23/2003 | 8476 | Firefox: You can no longer nest an <a> element inside a <map> element to create a hotspot region - coords and shape attribute support removed.Firefox for Android: You can no longer nest an <a> element inside a <map> element to create a hotspot region - coords and shape attribute support removed. |
| html.elements.a.target.unfencedTop | Chrome | 7/18/2023 | 1146 | |
| html.elements.area.referrerpolicy.no-referrer-when-downgrade | Chrome | 5/25/2016 | 3756 | |
| html.elements.area.referrerpolicy.origin-when-cross-origin | Chrome | 5/25/2016 | 3756 | |
| html.elements.area.referrerpolicy.unsafe-url | Chrome | 5/25/2016 | 3756 | |
| html.elements.audio.controlslist 📋 | Chrome | 4/19/2017 | 3427 | |
| html.elements.audio.disableremoteplayback 📋 | Chrome Android | 2/1/2017 | 3504 | |
| html.elements.canvas.moz-opaque | Firefox | 6/30/2009 | 6277 | |
| html.elements.col.char 📋 | Safari | 10/26/2007 | 6890 | |
| html.elements.col.charoff 📋 | Safari | 10/26/2007 | 6890 | |
| html.elements.colgroup.char 📋 | Safari | 10/26/2007 | 6890 | |
| html.elements.colgroup.charoff 📋 | Safari | 10/26/2007 | 6890 | |
| html.elements.fencedframe 📋 | Chrome | 7/18/2023 | 1146 | |
| html.elements.fencedframe.allow 📋 | Chrome | 7/18/2023 | 1146 | |
| html.elements.fencedframe.height 📋 | Chrome | 7/18/2023 | 1146 | |
| html.elements.fencedframe.width 📋 | Chrome | 7/18/2023 | 1146 | |
| html.elements.form.autocomplete.new-password | Firefox | 5/21/2019 | 2665 | |
| html.elements.form.autocomplete.webauthn 📋 | Chrome | 11/29/2022 | 1377 | |
| html.elements.hr.hr_in_select | Safari | 9/18/2023 | 1084 | Chrome: Only exposes the <hr> visually in the page when the menu is expanded (arrowing within the collapsed menu does not show them).Chrome: Does not expose the <hr> within the accessibility tree.Edge: Only exposes the <hr> visually in the page when the menu is expanded (arrowing within the collapsed menu does not show them).Edge: Does not expose the <hr> within the accessibility tree.Firefox: Does not expose the <hr> within the accessibility tree.Firefox for Android: Does not expose the <hr> within the accessibility tree.Opera: Only exposes the <hr> visually in the page when the menu is expanded (arrowing within the collapsed menu does not show them).Opera: Does not expose the <hr> within the accessibility tree.Safari: Does not expose the <hr> within the accessibility tree.Safari on iOS: Does not expose the <hr> within the accessibility tree.WebView on iOS: Does not expose the <hr> within the accessibility tree. |
| html.elements.iframe.allow.accelerometer 📋 | Chrome | 4/17/2018 | 3064 | |
| html.elements.iframe.allow.ambient-light-sensor 📋 | Chrome | 4/17/2018 | 3064 | |
| html.elements.iframe.allow.attribution-reporting 📋 | Chrome | 9/12/2023 | 1090 | |
| html.elements.iframe.allow.autoplay 📋 | Chrome | 1/23/2018 | 3148 | |
| html.elements.iframe.allow.bluetooth 📋 | Chrome | 8/2/2022 | 1496 | |
| html.elements.iframe.allow.browsing-topics | Chrome | 7/18/2023 | 1146 | |
| html.elements.iframe.allow.compute-pressure 📋 | Chrome | 5/14/2024 | 845 | |
| html.elements.iframe.allow.cross-origin-isolated 📋 | Chrome | 11/17/2020 | 2119 | |
| html.elements.iframe.allow.display-capture 📋 | Safari | 9/19/2019 | 2544 | |
| html.elements.iframe.allow.document-domain 📋 | Chrome | 1/23/2018 | 3148 | |
| html.elements.iframe.allow.encrypted-media 📋 | Chrome | 1/23/2018 | 3148 | |
| html.elements.iframe.allow.fullscreen 📋 | Chrome | 10/17/2017 | 3246 | |
| html.elements.iframe.allow.gamepad 📋 | Firefox | 8/10/2021 | 1853 | Firefox: The default allowlist is * instead of self (as required by the specification).Firefox for Android: The default allowlist is * instead of self (as required by the specification). |
| html.elements.iframe.allow.geolocation 📋 | Chrome | 1/23/2018 | 3148 | |
| html.elements.iframe.allow.gyroscope 📋 | Chrome | 4/17/2018 | 3064 | |
| html.elements.iframe.allow.hid 📋 | Chrome | 3/2/2021 | 2014 | |
| html.elements.iframe.allow.identity-credentials-get 📋 | Chrome | 2/7/2023 | 1307 | |
| html.elements.iframe.allow.idle-detection 📋 | Chrome | 9/21/2021 | 1811 | |
| html.elements.iframe.allow.local-fonts 📋 | Chrome | 6/21/2022 | 1538 | |
| html.elements.iframe.allow.magnetometer 📋 | Chrome | 4/17/2018 | 3064 | |
| html.elements.iframe.allow.midi 📋 | Chrome | 1/23/2018 | 3148 | |
| html.elements.iframe.allow.otp-credentials 📋 | Chrome Android | 7/27/2020 | 2232 | |
| html.elements.iframe.allow.payment 📋 | Chrome | 7/25/2017 | 3330 | |
| html.elements.iframe.allow.picture-in-picture 📋 | Chrome | 12/4/2018 | 2833 | |
| html.elements.iframe.allow.publickey-credentials-create 📋 | Firefox | 2/20/2024 | 929 | |
| html.elements.iframe.allow.publickey-credentials-get 📋 | Edge | 7/16/2020 | 2243 | |
| html.elements.iframe.allow.serial 📋 | Chrome | 3/2/2021 | 2014 | |
| html.elements.iframe.allow.speaker-selection 📋 | Firefox | 8/1/2023 | 1132 | Firefox for Android: Not available due to a limitation in Android (see bug 1473346). |
| html.elements.iframe.allow.storage-access 📋 | Chrome | 5/2/2023 | 1223 | |
| html.elements.iframe.allow.usb 📋 | Chrome | 7/25/2017 | 3330 | |
| html.elements.iframe.allow.web-share 📋 | Firefox | 9/22/2020 | 2175 | Firefox: Firefox recognizes the web-share permissions policy, but this has no effect in versions of Firefox that do not support the share() method.Firefox for Android: Firefox for Android recognizes the web-share permissions policy, but this has no effect in versions of Firefox for Android that do not support the share() method. |
| html.elements.iframe.allow.wildcards | Chrome | 11/29/2022 | 1377 | |
| html.elements.iframe.allow.window-management 📋 | Chrome | 3/29/2022 | 1622 | |
| html.elements.iframe.allow.xr-spatial-tracking 📋 | Chrome | 12/10/2019 | 2462 | |
| html.elements.iframe.allowpaymentrequest | Chrome | 7/25/2017 | 3330 | |
| html.elements.iframe.browsingtopics | Chrome | 7/18/2023 | 1146 | |
| html.elements.iframe.credentialless 📋 | Chrome | 2/7/2023 | 1307 | |
| html.elements.iframe.csp 📋 | Chrome | 9/5/2017 | 3288 | |
| html.elements.iframe.referrerpolicy.no-referrer-when-downgrade | Chrome | 5/25/2016 | 3756 | |
| html.elements.iframe.referrerpolicy.origin-when-cross-origin | Chrome | 5/25/2016 | 3756 | |
| html.elements.iframe.referrerpolicy.unsafe-url | Chrome | 5/25/2016 | 3756 | |
| html.elements.iframe.sandbox.allow-orientation-lock 📋 | Firefox | 9/20/2016 | 3638 | |
| html.elements.iframe.sandbox.allow-pointer-lock 📋 | Chrome | 11/6/2012 | 5052 | |
| html.elements.iframe.sandbox.allow-presentation 📋 | Chrome | 8/31/2016 | 3658 | |
| html.elements.iframe.sandbox.allow-top-navigation-to-custom-protocols 📋 | Firefox | 5/31/2022 | 1559 | |
| html.elements.img.attributionsrc 📋 | Chrome | 5/14/2024 | 845 | |
| html.elements.img.referrerpolicy.no-referrer-when-downgrade | Chrome | 5/25/2016 | 3756 | |
| html.elements.img.referrerpolicy.origin-when-cross-origin | Chrome | 5/25/2016 | 3756 | |
| html.elements.img.referrerpolicy.unsafe-url | Chrome | 5/25/2016 | 3756 | |
| html.elements.img.sizes.auto 📋 | Chrome | 6/11/2024 | 817 | |
| html.elements.input.capture 📋 | Chrome Android | 2/27/2013 | 4939 | |
| html.elements.input.type_month 📋 | Chrome | 6/26/2012 | 5185 | Safari: The input type is recognized, but there is no month-specific control. See bug 200416. |
| html.elements.input.type_password.insecure_login_handling | Firefox | 3/7/2017 | 3470 | |
| html.elements.input.type_week 📋 | Chrome | 6/26/2012 | 5185 | |
| html.elements.input.webkitdirectory | Chrome | 10/19/2010 | 5801 | Chrome Android: In Chrome for Android 131, choosing a directory crashes the browser (see bug 376834374).Chrome Android: Before version 131, users cannot choose a directory, only individual files (see bug 40248532.Opera Android: In Chrome for Android 131, choosing a directory crashes the browser (see bug 376834374).Opera Android: Before version 87, users cannot choose a directory, only individual files (see bug 40248532.Safari on iOS: The attribute can be set but users cannot choose a directory, only individual files (see bug 271705).WebView Android: In Chrome for Android 131, choosing a directory crashes the browser (see bug 376834374).WebView Android: Before version 131, users cannot choose a directory, only individual files (see bug 40248532.WebView on iOS: The attribute can be set but users cannot choose a directory, only individual files (see bug 271705). |
| html.elements.link.blocking 📋 | Edge | 9/1/2022 | 1466 | |
| html.elements.link.referrerpolicy.no-referrer-when-downgrade | Chrome | 5/25/2016 | 3756 | |
| html.elements.link.referrerpolicy.origin-when-cross-origin | Chrome | 5/25/2016 | 3756 | |
| html.elements.link.referrerpolicy.unsafe-url | Chrome | 5/25/2016 | 3756 | |
| html.elements.link.rel.alternate_stylesheet 📋 | Firefox | 6/17/2008 | 6655 | |
| html.elements.link.rel.expect 📋 | Chrome | 4/16/2024 | 873 | |
| html.elements.link.rel.icon | Firefox | 10/24/2006 | 7257 | Chrome: If both ICO and PNG are available, will use ICO over PNG if ICO has better matching sizes set. (Per caniuse.com.).Edge: In version 79 and later (Blink-based Edge), if both ICO and PNG are available, will use ICO over PNG if ICO has better matching sizes set. (Per caniuse.com.)Firefox: Before Firefox 83, the crossorigin attribute is not supported for rel="icon".Firefox: The media attribute is not supported for rel="icon", see bug 1603885.Opera: In version 15 and later (Blink-based Opera), if both ICO and PNG are available, will use ICO over PNG if ICO has better matching sizes set. (Per caniuse.com.)Safari: If both ICO and PNG are available, will ALWAYS use ICO file, regardless of sizes set. (Per caniuse.com.)Safari on iOS: Does not use favicons at all (but may have alternative for bookmarks, etc.). (Per caniuse.com.)WebView on iOS: Does not use favicons at all (but may have alternative for bookmarks, etc.). (Per caniuse.com.) |
| html.elements.link.rel.manifest 📋 | Chrome Android | 11/12/2014 | 4316 | |
| html.elements.link.rel.preload.as-track | Chrome | 4/13/2016 | 3798 | |
| html.elements.link.rel.prerender | Chrome | 8/2/2011 | 5514 | |
| html.elements.meta.name.application-title | Chrome | 3/4/2025 | 551 | |
| html.elements.meta.name.theme-color 📋 | Chrome | 3/12/2019 | 2735 | Chrome: Chrome uses the color only on installed progressive web apps.Chrome: Chrome reports support, but does not actually use the color anywhere.Chrome Android: Chrome for Android does not use the color on devices with native dark mode enabled unless it's an installed progressive web app or a trusted web activity.Edge: Edge uses the color only on installed progressive web apps.Quest Browser: Chrome for Android does not use the color on devices with native dark mode enabled unless it's an installed progressive web app or a trusted web activity. |
| html.elements.script.attributionsrc 📋 | Chrome | 5/14/2024 | 845 | |
| html.elements.script.blocking 📋 | Edge | 9/1/2022 | 1466 | |
| html.elements.script.referrerpolicy.no-referrer-when-downgrade | Chrome | 10/16/2018 | 2882 | |
| html.elements.script.referrerpolicy.origin-when-cross-origin | Chrome | 10/16/2018 | 2882 | |
| html.elements.script.referrerpolicy.unsafe-url | Chrome | 10/16/2018 | 2882 | |
| html.elements.script.type.importmap.integrity 📋 | Chrome | 7/23/2024 | 775 | |
| html.elements.script.type.importmap.multiple_import_maps 📋 | Chrome | 2/4/2025 | 579 | |
| html.elements.script.type.speculationrules 📋 | Chrome | 1/10/2023 | 1335 | Chrome: Initial support included same-origin prerendering only.Chrome Android: Initial support included same-origin prerendering only.Edge: Initial support included same-origin prerendering only.Quest Browser: Initial support included same-origin prerendering only.Opera: Initial support included same-origin prerendering only.Opera Android: Initial support included same-origin prerendering only.Samsung Internet: Initial support included same-origin prerendering only. |
| html.elements.script.type.speculationrules.eagerness | Chrome | 1/23/2024 | 957 | |
| html.elements.script.type.speculationrules.expects_no_vary_search | Chrome | 7/23/2024 | 775 | Chrome: Supported for prefetch only.Chrome Android: Supported for prefetch only.Edge: Supported for prefetch only.Opera: Supported for prefetch only.Opera Android: Supported for prefetch only.Samsung Internet: Supported for prefetch only. |
| html.elements.script.type.speculationrules.prefetch | Chrome Android | 6/21/2022 | 1538 | |
| html.elements.script.type.speculationrules.prerender | Chrome Android | 6/21/2022 | 1538 | |
| html.elements.script.type.speculationrules.referrer_policy | Chrome | 3/7/2023 | 1279 | |
| html.elements.script.type.speculationrules.relative_to | Chrome | 1/23/2024 | 957 | |
| html.elements.script.type.speculationrules.requires | Chrome Android | 6/21/2022 | 1538 | |
| html.elements.script.type.speculationrules.requires.anonymous-client-ip-when-cross-origin | Chrome Android | 6/21/2022 | 1538 | |
| html.elements.script.type.speculationrules.source_optional | Chrome | 2/20/2024 | 929 | |
| html.elements.script.type.speculationrules.urls | Chrome Android | 6/21/2022 | 1538 | |
| html.elements.script.type.speculationrules.where | Chrome | 1/23/2024 | 957 | |
| html.elements.select.hr_in_select | Safari | 9/18/2023 | 1084 | Chrome: Only exposes the <hr> visually in the page when the menu is expanded (arrowing within the collapsed menu does not show them).Chrome: Does not expose the <hr> within the accessibility tree.Edge: Only exposes the <hr> visually in the page when the menu is expanded (arrowing within the collapsed menu does not show them).Edge: Does not expose the <hr> within the accessibility tree.Firefox: Does not expose the <hr> within the accessibility tree.Firefox for Android: Does not expose the <hr> within the accessibility tree.Opera: Only exposes the <hr> visually in the page when the menu is expanded (arrowing within the collapsed menu does not show them).Opera: Does not expose the <hr> within the accessibility tree.Safari: Does not expose the <hr> within the accessibility tree.Safari on iOS: Does not expose the <hr> within the accessibility tree.WebView on iOS: Does not expose the <hr> within the accessibility tree. |
| html.elements.select.size 📋 | Firefox | 11/9/2004 | 7971 | |
| html.elements.style.blocking 📋 | Edge | 9/1/2022 | 1466 | |
| html.elements.summary.display_list_item | Firefox | 9/20/2016 | 3638 | |
| html.elements.tbody.char | Chrome | 12/11/2008 | 6478 | |
| html.elements.td.char | Chrome | 12/11/2008 | 6478 | |
| html.elements.td.rowspan.rowspan_zero | Firefox | 8/8/2017 | 3316 | |
| html.elements.template.shadowrootclonable 📋 | Chrome | 4/16/2024 | 873 | |
| html.elements.template.shadowrootdelegatesfocus 📋 | Firefox | 2/20/2024 | 929 | |
| html.elements.template.shadowrootserializable 📋 | Chrome | 5/14/2024 | 845 | |
| html.elements.textarea.autocomplete.new-password | Firefox | 5/21/2019 | 2665 | |
| html.elements.textarea.autocomplete.webauthn 📋 | Chrome | 11/29/2022 | 1377 | |
| html.elements.textarea.wrap.hard | Chrome | 12/13/2011 | 5381 | |
| html.elements.tfoot.char | Chrome | 12/11/2008 | 6478 | |
| html.elements.th.char | Chrome | 12/11/2008 | 6478 | |
| html.elements.th.rowspan.rowspan_zero | Firefox | 8/8/2017 | 3316 | |
| html.elements.thead.char | Chrome | 12/11/2008 | 6478 | |
| html.elements.tr.char | Chrome | 12/11/2008 | 6478 | |
| html.elements.tr.charoff | Chrome | 12/11/2008 | 6478 | |
| html.elements.video.controlslist 📋 | Chrome | 4/19/2017 | 3427 | |
| html.elements.video.disableremoteplayback 📋 | Chrome Android | 2/1/2017 | 3504 | |
| html.elements.video.playsinline 📋 | Safari on iOS | 9/13/2016 | 3645 | |
| html.global_attributes.autocapitalize 📋 | Safari on iOS | 10/12/2011 | 5443 | |
| html.global_attributes.autocorrect 📋 | Safari | 4/26/2021 | 1959 | Safari: Takes values of true/false (instead of on/off).Safari: Allowed on <input type='password'> elements.Safari on iOS: Takes values of true/false (instead of on/off).Safari on iOS: Allowed on <input type='password'> elements. |
| html.global_attributes.contenteditable.plaintext-only | Chrome | 5/25/2016 | 3756 | |
| html.global_attributes.hidden.until-found 📋 | Chrome | 5/24/2022 | 1566 | |
| html.global_attributes.is 📋 | Chrome | 5/29/2018 | 3022 | |
| html.global_attributes.virtualkeyboardpolicy 📋 | Chrome | 9/21/2021 | 1811 | |
| html.global_attributes.writingsuggestions 📋 | Chrome | 4/16/2024 | 873 | |
| html.manifest.background_color 📋 | Chrome | 10/13/2015 | 3981 | |
| html.manifest.description 📋 | Chrome | 1/19/2021 | 2056 | Firefox for Android: The property parses, but has no effect. |
| html.manifest.display 📋 | Chrome Android | 11/12/2014 | 4316 | Chrome: display and/or display_override are required for a web app to be installable.Chrome Android: display and/or display_override are required for a web app to be installable.Edge: display and/or display_override are required for a web app to be installable.Quest Browser: display and/or display_override are required for a web app to be installable.Opera: display and/or display_override are required for a web app to be installable.Opera Android: display and/or display_override are required for a web app to be installable.Samsung Internet: display and/or display_override are required for a web app to be installable.WebView Android: display and/or display_override are required for a web app to be installable. |
| html.manifest.display.browser 📋 | Chrome Android | 11/12/2014 | 4316 | |
| html.manifest.display.fullscreen 📋 | Chrome Android | 11/12/2014 | 4316 | |
| html.manifest.display.minimal-ui 📋 | Chrome Android | 11/12/2014 | 4316 | |
| html.manifest.display.standalone 📋 | Chrome Android | 11/12/2014 | 4316 | |
| html.manifest.display_override 📋 | Chrome | 3/2/2021 | 2014 | Chrome: display_override and/or display are required for a web app to be installable.Chrome Android: display_override and/or display are required for a web app to be installable.Edge: display_override and/or display are required for a web app to be installable.Quest Browser: display_override and/or display are required for a web app to be installable.Opera: display_override and/or display are required for a web app to be installable.Opera Android: display_override and/or display are required for a web app to be installable.Samsung Internet: display_override and/or display are required for a web app to be installable. |
| html.manifest.display_override.tabbed 📋 | Chrome | 6/11/2024 | 817 | |
| html.manifest.display_override.window-controls-overlay 📋 | Edge | 9/1/2022 | 1466 | |
| html.manifest.file_handlers 📋 | Chrome | 5/24/2022 | 1566 | |
| html.manifest.icons 📋 | Chrome Android | 11/12/2014 | 4316 | Chrome: icons is required for a web app to be installable.Chrome Android: icons is required for a web app to be installable.Edge: icons is required for a web app to be installable.Quest Browser: icons is required for a web app to be installable.Opera: icons is required for a web app to be installable.Opera Android: icons is required for a web app to be installable.Safari: Only used when no apple-touch-icon is present and either "purpose" is set to "any" or "purpose" is not specified.Safari on iOS: Only used when no apple-touch-icon is present and either "purpose" is set to "any" or "purpose" is not specified.Samsung Internet: icons is required for a web app to be installable.WebView Android: icons is required for a web app to be installable.WebView on iOS: Only used when no apple-touch-icon is present and either "purpose" is set to "any" or "purpose" is not specified. |
| html.manifest.id 📋 | Chrome | 11/15/2021 | 1756 | Firefox: The property parses, but has no effect. |
| html.manifest.launch_handler 📋 | Chrome | 2/7/2023 | 1307 | |
| html.manifest.launch_handler.client_mode 📋 | Chrome | 2/7/2023 | 1307 | |
| html.manifest.name 📋 | Chrome Android | 11/12/2014 | 4316 | Chrome: name or short_name is required for a web app to be installable.Chrome Android: name or short_name is required for a web app to be installable.Edge: name or short_name is required for a web app to be installable.Quest Browser: name or short_name is required for a web app to be installable.Opera: name or short_name is required for a web app to be installable.Opera Android: name or short_name is required for a web app to be installable.Samsung Internet: name or short_name is required for a web app to be installable.WebView Android: name or short_name is required for a web app to be installable. |
| html.manifest.note_taking 📋 | Chrome | 10/19/2021 | 1783 | |
| html.manifest.note_taking.new_note_url 📋 | Chrome | 10/19/2021 | 1783 | |
| html.manifest.orientation 📋 | Chrome Android | 11/12/2014 | 4316 | |
| html.manifest.prefer_related_applications 📋 | Chrome Android | 7/29/2015 | 4057 | Chrome: prefer_related_applications must be false or not present for a web app to be installable.Edge: prefer_related_applications must be false or not present for a web app to be installable.Firefox for Android: The property parses, but has no effect.Opera: prefer_related_applications must be false or not present for a web app to be installable. |
| html.manifest.protocol_handlers 📋 | Chrome | 11/15/2021 | 1756 | |
| html.manifest.protocol_handlers.protocol 📋 | Chrome | 11/15/2021 | 1756 | |
| html.manifest.protocol_handlers.url 📋 | Chrome | 11/15/2021 | 1756 | |
| html.manifest.related_applications 📋 | Chrome Android | 7/29/2015 | 4057 | Firefox for Android: The property parses, but has no effect. |
| html.manifest.scope 📋 | Chrome | 8/31/2016 | 3658 | |
| html.manifest.serviceworker | Chrome | 10/16/2018 | 2882 | |
| html.manifest.serviceworker.scope | Chrome | 10/16/2018 | 2882 | |
| html.manifest.serviceworker.src | Chrome | 10/16/2018 | 2882 | |
| html.manifest.serviceworker.use_cache | Chrome | 10/16/2018 | 2882 | |
| html.manifest.share_target 📋 | Chrome Android | 7/30/2019 | 2595 | Firefox for Android: The property parses, but has no effect. |
| html.manifest.short_name 📋 | Chrome Android | 11/12/2014 | 4316 | Chrome: short_name or name is required for a web app to be installable.Chrome Android: short_name or name is required for a web app to be installable.Edge: short_name or name is required for a web app to be installable.Quest Browser: short_name or name is required for a web app to be installable.Opera: short_name or name is required for a web app to be installable.Opera Android: short_name or name is required for a web app to be installable.Samsung Internet: short_name or name is required for a web app to be installable.WebView Android: short_name or name is required for a web app to be installable. |
| html.manifest.shortcuts 📋 | Chrome Android | 7/27/2020 | 2232 | Chrome: Supported on Windows only.Edge: Supported on Windows only.Opera: Supported on Windows only. |
| html.manifest.start_url 📋 | Chrome Android | 11/12/2014 | 4316 | Chrome: start_url is required for a web app to be installable.Chrome Android: start_url is required for a web app to be installable.Edge: start_url is required for a web app to be installable.Quest Browser: start_url is required for a web app to be installable.Opera: start_url is required for a web app to be installable.Opera Android: start_url is required for a web app to be installable.Samsung Internet: start_url is required for a web app to be installable.WebView Android: start_url is required for a web app to be installable. |
| html.manifest.theme_color 📋 | Chrome | 10/13/2015 | 3981 |
| API | First Browser | Date | Days in Limbo | Notes |
|---|---|---|---|---|
| http.headers.Accept-CH 📋 | Chrome | 10/13/2015 | 3981 | |
| http.headers.Accept-CH.Content-DPR | Chrome | 10/13/2015 | 3981 | |
| http.headers.Accept-CH.DPR | Chrome | 10/13/2015 | 3981 | |
| http.headers.Accept-CH.Device-Memory | Chrome | 9/5/2017 | 3288 | |
| http.headers.Accept-CH.Sec-CH-UA | Chrome | 3/2/2021 | 2014 | |
| http.headers.Accept-CH.Sec-CH-UA-Arch | Chrome | 3/2/2021 | 2014 | |
| http.headers.Accept-CH.Sec-CH-UA-Full-Version | Chrome | 3/2/2021 | 2014 | |
| http.headers.Accept-CH.Sec-CH-UA-Mobile | Chrome | 3/2/2021 | 2014 | |
| http.headers.Accept-CH.Sec-CH-UA-Model | Chrome | 3/2/2021 | 2014 | |
| http.headers.Accept-CH.Sec-CH-UA-Platform | Chrome | 3/2/2021 | 2014 | |
| http.headers.Accept-CH.Sec-CH-UA-Platform-Version | Chrome | 3/2/2021 | 2014 | |
| http.headers.Accept-CH.Viewport-Width | Chrome | 10/13/2015 | 3981 | |
| http.headers.Accept-CH.Width | Chrome | 10/13/2015 | 3981 | |
| http.headers.Access-Control-Allow-Headers.authorization_not_covered_by_wildcard | Firefox | 7/4/2023 | 1160 | |
| http.headers.Attribution-Reporting-Eligible 📋 | Chrome | 9/12/2023 | 1090 | |
| http.headers.Attribution-Reporting-Register-Source 📋 | Chrome | 9/12/2023 | 1090 | |
| http.headers.Attribution-Reporting-Register-Trigger 📋 | Chrome | 9/12/2023 | 1090 | |
| http.headers.Attribution-Reporting-Support 📋 | Chrome | 9/12/2023 | 1090 | |
| http.headers.Authorization.Digest.SHA-256 | Firefox | 10/5/2021 | 1797 | |
| http.headers.Authorization.authorization_removed_cross_origin 📋 | Safari | 10/24/2022 | 1413 | |
| http.headers.Cache-Control.immutable | Firefox | 9/20/2016 | 3638 | |
| http.headers.Clear-Site-Data.cache 📋 | Chrome | 9/5/2017 | 3288 | |
| http.headers.Clear-Site-Data.clientHints 📋 | Chrome | 9/12/2023 | 1090 | |
| http.headers.Content-DPR | Chrome | 10/13/2015 | 3981 | |
| http.headers.Content-Encoding.zstd 📋 | Chrome | 3/19/2024 | 901 | |
| http.headers.Content-Security-Policy.block-all-mixed-content | Chrome | 7/21/2015 | 4065 | Chrome: Will be removed, see bug 40260100.Chrome Android: Will be removed, see bug 40260100.Quest Browser: Will be removed, see bug 40260100.Opera: Will be removed, see bug 40260100.Opera Android: Will be removed, see bug 40260100.Samsung Internet: Will be removed, see bug 40260100.WebView Android: Will be removed, see bug 40260100. |
| http.headers.Content-Security-Policy.fenced-frame-src 📋 | Chrome | 7/18/2023 | 1146 | |
| http.headers.Content-Security-Policy.form-action.blocks_redirects | Chrome Android | 12/5/2017 | 3197 | |
| http.headers.Content-Security-Policy.prefetch-src | Safari | 1/23/2023 | 1322 | |
| http.headers.Content-Security-Policy.require-trusted-types-for 📋 | Chrome | 5/19/2020 | 2301 | |
| http.headers.Content-Security-Policy.script-src.inline-speculation-rules 📋 | Chrome | 2/7/2023 | 1307 | |
| http.headers.Content-Security-Policy.trusted-types 📋 | Chrome | 5/19/2020 | 2301 | |
| http.headers.Critical-CH 📋 | Chrome | 5/25/2021 | 1930 | |
| http.headers.Cross-Origin-Embedder-Policy.credentialless 📋 | Chrome | 11/15/2021 | 1756 | |
| http.headers.Cross-Origin-Opener-Policy.noopener-allow-popups 📋 | Chrome | 11/12/2024 | 663 | |
| http.headers.DNT | Firefox | 3/22/2011 | 5647 | |
| http.headers.DPR | Chrome | 10/13/2015 | 3981 | |
| http.headers.Device-Memory 📋 | Chrome | 9/5/2017 | 3288 | |
| http.headers.Downlink 📋 | Chrome | 5/29/2018 | 3022 | Chrome: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Chrome Android: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Edge: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Quest Browser: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Opera: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Opera Android: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.Samsung Internet: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure.WebView Android: The value is never greater than 10 Mbps, as a non-standard anti-fingerprinting measure. |
| http.headers.ECT 📋 | Chrome | 5/29/2018 | 3022 | |
| http.headers.Early-Data 📋 | Firefox | 1/23/2018 | 3148 | |
| http.headers.Expect-CT 📋 | Chrome | 9/5/2017 | 3288 | Chrome: Before later builds of Chrome 64, invalid Expect-CT reports would be sent. Newer versions do not send reports after 10 weeks from the build date. See bug 41356303.Chrome Android: Before later builds of Chrome Android 64, invalid Expect-CT reports would be sent. Newer versions do not send reports after 10 weeks from the build date. See bug 41356303.Quest Browser: Before later builds of Quest Browser 5.0, invalid Expect-CT reports would be sent. Newer versions do not send reports after 10 weeks from the build date. See bug 41356303.Opera Android: Before later builds of Opera Android 47, invalid Expect-CT reports would be sent. Newer versions do not send reports after 10 weeks from the build date. See bug 41356303.Samsung Internet: Before later builds of Samsung Internet 9.0, invalid Expect-CT reports would be sent. Newer versions do not send reports after 10 weeks from the build date. See bug 41356303. |
| http.headers.Link.blocking 📋 | Edge | 9/1/2022 | 1466 | |
| http.headers.Link.expect 📋 | Chrome | 4/16/2024 | 873 | |
| http.headers.NEL 📋 | Chrome | 12/4/2018 | 2833 | |
| http.headers.No-Vary-Search 📋 | Chrome | 7/23/2024 | 775 | Chrome: Supported for navigation prefetch cache only.Chrome Android: Supported for navigation prefetch cache only.Edge: Supported for navigation prefetch cache only.Opera: Supported for navigation prefetch cache only.Opera Android: Supported for navigation prefetch cache only.Samsung Internet: Supported for navigation prefetch cache only.WebView Android: Supported for navigation prefetch cache only. |
| http.headers.Observe-Browsing-Topics | Chrome | 7/18/2023 | 1146 | |
| http.headers.Origin-Agent-Cluster 📋 | Chrome | 4/13/2021 | 1972 | |
| http.headers.Permissions-Policy 📋 | Chrome | 1/19/2021 | 2056 | |
| http.headers.Permissions-Policy.accelerometer 📋 | Chrome | 4/17/2018 | 3064 | |
| http.headers.Permissions-Policy.ambient-light-sensor 📋 | Chrome | 4/17/2018 | 3064 | |
| http.headers.Permissions-Policy.attribution-reporting 📋 | Chrome | 9/12/2023 | 1090 | |
| http.headers.Permissions-Policy.autoplay 📋 | Chrome | 1/23/2018 | 3148 | |
| http.headers.Permissions-Policy.bluetooth 📋 | Chrome | 8/2/2022 | 1496 | |
| http.headers.Permissions-Policy.browsing-topics | Chrome | 7/18/2023 | 1146 | |
| http.headers.Permissions-Policy.camera 📋 | Chrome | 1/23/2018 | 3148 | |
| http.headers.Permissions-Policy.compute-pressure 📋 | Chrome | 5/14/2024 | 845 | |
| http.headers.Permissions-Policy.cross-origin-isolated 📋 | Chrome | 11/17/2020 | 2119 | |
| http.headers.Permissions-Policy.display-capture 📋 | Chrome | 9/21/2021 | 1811 | |
| http.headers.Permissions-Policy.document-domain 📋 | Chrome | 1/23/2018 | 3148 | |
| http.headers.Permissions-Policy.encrypted-media 📋 | Chrome | 1/23/2018 | 3148 | |
| http.headers.Permissions-Policy.fullscreen 📋 | Chrome | 10/17/2017 | 3246 | |
| http.headers.Permissions-Policy.geolocation 📋 | Chrome | 1/23/2018 | 3148 | |
| http.headers.Permissions-Policy.gyroscope 📋 | Chrome | 4/17/2018 | 3064 | |
| http.headers.Permissions-Policy.hid 📋 | Chrome | 3/2/2021 | 2014 | |
| http.headers.Permissions-Policy.identity-credentials-get 📋 | Chrome | 2/7/2023 | 1307 | |
| http.headers.Permissions-Policy.idle-detection 📋 | Chrome | 9/21/2021 | 1811 | |
| http.headers.Permissions-Policy.local-fonts 📋 | Chrome | 6/21/2022 | 1538 | |
| http.headers.Permissions-Policy.magnetometer 📋 | Chrome | 4/17/2018 | 3064 | |
| http.headers.Permissions-Policy.microphone 📋 | Chrome | 1/23/2018 | 3148 | |
| http.headers.Permissions-Policy.midi 📋 | Chrome | 1/23/2018 | 3148 | |
| http.headers.Permissions-Policy.otp-credentials 📋 | Chrome Android | 7/27/2020 | 2232 | |
| http.headers.Permissions-Policy.payment 📋 | Chrome | 7/25/2017 | 3330 | |
| http.headers.Permissions-Policy.picture-in-picture 📋 | Chrome | 12/4/2018 | 2833 | |
| http.headers.Permissions-Policy.publickey-credentials-create 📋 | Edge | 7/16/2020 | 2243 | |
| http.headers.Permissions-Policy.publickey-credentials-get 📋 | Edge | 7/16/2020 | 2243 | |
| http.headers.Permissions-Policy.screen-wake-lock 📋 | Edge | 7/16/2020 | 2243 | |
| http.headers.Permissions-Policy.serial 📋 | Chrome | 3/2/2021 | 2014 | |
| http.headers.Permissions-Policy.storage-access 📋 | Chrome | 5/2/2023 | 1223 | |
| http.headers.Permissions-Policy.usb 📋 | Chrome | 7/25/2017 | 3330 | |
| http.headers.Permissions-Policy.web-share 📋 | Edge | 10/9/2020 | 2158 | |
| http.headers.Permissions-Policy.wildcards | Chrome | 11/29/2022 | 1377 | |
| http.headers.Permissions-Policy.window-management 📋 | Chrome | 3/29/2022 | 1622 | |
| http.headers.Permissions-Policy.xr-spatial-tracking 📋 | Chrome | 12/10/2019 | 2462 | |
| http.headers.Priority 📋 | Chrome | 4/16/2024 | 873 | |
| http.headers.RTT 📋 | Chrome | 5/29/2018 | 3022 | Chrome: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Chrome Android: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Edge: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Quest Browser: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Opera: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Opera Android: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.Samsung Internet: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure.WebView Android: The value is never greater than 3000 ms, as a non-standard anti-fingerprinting measure. |
| http.headers.Referrer-Policy.no-referrer-when-downgrade | Chrome | 1/25/2017 | 3511 | |
| http.headers.Referrer-Policy.origin-when-cross-origin | Chrome | 1/25/2017 | 3511 | |
| http.headers.Referrer-Policy.unsafe-url | Chrome | 1/25/2017 | 3511 | |
| http.headers.Report-To | Chrome | 10/16/2018 | 2882 | |
| http.headers.Reporting-Endpoints 📋 | Chrome | 11/15/2021 | 1756 | |
| http.headers.Retry-After 📋 | Chrome | 1/10/2013 | 4987 | |
| http.headers.Save-Data 📋 | Chrome | 3/2/2016 | 3840 | |
| http.headers.Sec-Browsing-Topics | Chrome | 7/18/2023 | 1146 | |
| http.headers.Sec-CH-Prefers-Color-Scheme 📋 | Chrome | 8/31/2021 | 1832 | |
| http.headers.Sec-CH-Prefers-Reduced-Motion 📋 | Chrome | 11/29/2022 | 1377 | |
| http.headers.Sec-CH-Prefers-Reduced-Transparency 📋 | Chrome | 10/31/2023 | 1041 | |
| http.headers.Sec-CH-UA 📋 | Chrome | 3/2/2021 | 2014 | |
| http.headers.Sec-CH-UA-Arch 📋 | Chrome | 3/2/2021 | 2014 | |
| http.headers.Sec-CH-UA-Bitness 📋 | Chrome | 8/31/2021 | 1832 | |
| http.headers.Sec-CH-UA-Full-Version 📋 | Chrome | 3/2/2021 | 2014 | |
| http.headers.Sec-CH-UA-Full-Version-List 📋 | Chrome | 2/1/2022 | 1678 | |
| http.headers.Sec-CH-UA-Mobile 📋 | Chrome | 3/2/2021 | 2014 | |
| http.headers.Sec-CH-UA-Model 📋 | Chrome | 3/2/2021 | 2014 | |
| http.headers.Sec-CH-UA-Platform 📋 | Chrome | 3/2/2021 | 2014 | |
| http.headers.Sec-CH-UA-Platform-Version 📋 | Chrome | 3/2/2021 | 2014 | |
| http.headers.Sec-Fetch-Dest.fencedframe | Chrome | 7/18/2023 | 1146 | |
| http.headers.Sec-GPC 📋 | Firefox | 11/21/2023 | 1020 | Firefox: Opt-in to GPC using the Website Privacy Preference setting ( about:preferences#privacy) checkbox 'Tell websites not to sell or share my data', or by setting the preference privacy.globalprivacycontrol.enabled to true. |
| http.headers.Sec-Purpose 📋 | Chrome | 2/7/2023 | 1307 | |
| http.headers.Sec-Purpose.prefetch | Firefox | 7/4/2023 | 1160 | Chrome: Doesn't support Sec-Purpose for <link rel="prefetch">. In Chrome, the legacy Purpose: prefetch header is used to indicate a link request is a prefetch. See bug 40236973.Chrome Android: Doesn't support Sec-Purpose for <link rel="prefetch">. In Chrome Android, the legacy Purpose: prefetch header is used to indicate a link request is a prefetch. See bug 40236973.Edge: Doesn't support Sec-Purpose for <link rel="prefetch">. In Edge, the legacy Purpose: prefetch header is used to indicate a link request is a prefetch. See bug 40236973.Firefox: Sec-Purpose: prefetch replaces the non-standard X-moz: prefetch header that was used to indicate a link prefetch request in earlier versions.Firefox: Prefetch requests should also include the header Accept header string for navigations, but Accept: */* is sent instead.Firefox for Android: Sec-Purpose: prefetch replaces the non-standard X-moz: prefetch header that was used to indicate a link prefetch request in earlier versions.Firefox for Android: Prefetch requests should also include the header Accept header string for navigations, but Accept: */* is sent instead.Quest Browser: Doesn't support Sec-Purpose for <link rel="prefetch">. In Quest Browser, the legacy Purpose: prefetch header is used to indicate a link request is a prefetch. See bug 40236973.Opera: Doesn't support Sec-Purpose for <link rel="prefetch">. In Opera, the legacy Purpose: prefetch header is used to indicate a link request is a prefetch. See bug 40236973.Samsung Internet: Doesn't support Sec-Purpose for <link rel="prefetch">. In Samsung Internet, the legacy Purpose: prefetch header is used to indicate a link request is a prefetch. See bug 40236973.WebView Android: Doesn't support Sec-Purpose for <link rel="prefetch">. In WebView Android, the legacy Purpose: prefetch header is used to indicate a link request is a prefetch. See bug 40236973. |
| http.headers.Sec-Purpose.speculationrules | Chrome | 2/7/2023 | 1307 | |
| http.headers.Server-Timing.trailer | Firefox | 12/10/2019 | 2462 | Firefox: Only the Server-Timing header is a recognized trailer, and it is only exposed to DevTools in the network Timing tab (bug 1403051). Developers cannot access trailers via the Fetch API or XHR.Firefox for Android: Only the Server-Timing header is a recognized trailer, and it is only exposed to DevTools in the network Timing tab (bug 1403051). Developers cannot access trailers via the Fetch API or XHR. |
| http.headers.Service-Worker-Navigation-Preload 📋 | Chrome | 6/5/2017 | 3380 | |
| http.headers.Set-Cookie.Partitioned 📋 | Chrome | 5/30/2023 | 1195 | |
| http.headers.Set-Cookie.SameSite.Lax_default | Firefox | 9/3/2019 | 2560 | |
| http.headers.Set-Cookie.SameSite.none_requires_secure | Chrome | 2/4/2020 | 2406 | |
| http.headers.Set-Cookie.SameSite.schemeful | Firefox | 7/28/2020 | 2231 | |
| http.headers.Set-Login 📋 | Chrome | 12/5/2023 | 1006 | |
| http.headers.Snapshot-Content-Location | Chrome Android | 12/5/2017 | 3197 | |
| http.headers.Speculation-Rules 📋 | Chrome | 1/23/2024 | 957 | |
| http.headers.Supports-Loading-Mode 📋 | Chrome | 1/10/2023 | 1335 | |
| http.headers.Supports-Loading-Mode.credentialed-prerender | Chrome | 1/10/2023 | 1335 | |
| http.headers.Supports-Loading-Mode.fenced-frames | Chrome | 9/12/2023 | 1090 | |
| http.headers.Trailer 📋 | Firefox | 12/10/2019 | 2462 | Firefox: Only the Server-Timing header is a recognized trailer, and it is only exposed to DevTools in the network Timing tab (bug 1403051). Developers cannot access trailers via the Fetch API or XHR.Firefox for Android: Only the Server-Timing header is a recognized trailer, and it is only exposed to DevTools in the network Timing tab (bug 1403051). Developers cannot access trailers via the Fetch API or XHR. |
| http.headers.Viewport-Width | Chrome | 10/13/2015 | 3981 | |
| http.headers.WWW-Authenticate.Digest.SHA-256 | Firefox | 10/5/2021 | 1797 | |
| http.headers.Width | Chrome | 10/13/2015 | 3981 | |
| http.headers.X-DNS-Prefetch-Control | Firefox | 10/24/2006 | 7257 | |
| http.mixed-content.allow_file_urls 📋 | Firefox | 8/6/2013 | 4779 | |
| http.mixed-content.allow_localhost_url 📋 | Chrome | 12/10/2019 | 2462 | |
| http.mixed-content.allow_loopback_url 📋 | Firefox | 8/8/2017 | 3316 | |
| http.mixed-content.auto_upgrade_images 📋 | Edge | 10/9/2020 | 2158 | Firefox: Set security.mixed_content.upgrade_display_content preference to true to allow HTTP fetching and display of upgradable content.Firefox: Set security.mixed_content.block_display_content preference to true to block all mixed content.Firefox for Android: Set security.mixed_content.upgrade_display_content preference to true to allow HTTP fetching and display of upgradable content.Firefox for Android: Set security.mixed_content.block_display_content preference to true to block all mixed content. |
| http.mixed-content.auto_upgrade_video_audio 📋 | Chrome | 2/4/2020 | 2406 | Firefox: Set security.mixed_content.upgrade_display_content preference to true to allow HTTP fetching and display of upgradable content.Firefox: Set security.mixed_content.block_display_content preference to true to block all mixed content.Firefox for Android: Set security.mixed_content.upgrade_display_content preference to true to allow HTTP fetching and display of upgradable content.Firefox for Android: Set security.mixed_content.block_display_content preference to true to block all mixed content. |
| http.mixed-content.block_mixed_downloads 📋 | Firefox | 7/13/2021 | 1881 | |
| http.mixed-content.private_network_access 📋 | Chrome | 4/16/2024 | 873 | |
| http.status.103.preload | Chrome | 6/21/2022 | 1538 | |
| http.status.425 📋 | Firefox | 1/23/2018 | 3148 |
| API | First Browser | Date | Days in Limbo | Notes |
|---|---|---|---|---|
| javascript.builtins.Atomics.Atomic_operations_on_non_shared_buffers | Firefox | 7/28/2020 | 2231 | |
| javascript.builtins.Atomics.pause 📋 | Chrome | 2/4/2025 | 579 | |
| javascript.builtins.Atomics.waitAsync 📋 | Chrome | 11/17/2020 | 2119 | |
| javascript.builtins.DataView.getFloat16 📋 | Firefox | 8/6/2024 | 761 | |
| javascript.builtins.DataView.setFloat16 📋 | Firefox | 8/6/2024 | 761 | |
| javascript.builtins.Error.Error.fileName_parameter | Firefox | 11/9/2004 | 7971 | |
| javascript.builtins.Error.Error.lineNumber_parameter | Firefox | 11/9/2004 | 7971 | |
| javascript.builtins.Error.cause.displayed_in_console | Firefox | 8/10/2021 | 1853 | |
| javascript.builtins.Error.columnNumber | Firefox | 11/9/2004 | 7971 | |
| javascript.builtins.Error.fileName | Firefox | 11/9/2004 | 7971 | |
| javascript.builtins.Error.lineNumber | Firefox | 11/9/2004 | 7971 | |
| javascript.builtins.Error.serializable_object 📋 | Chrome | 9/10/2019 | 2553 | Firefox: Version 103 serialized properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox: Version 104 adds serialization of stack in the main thread (window.postMessage() and structuredClone()).Firefox: Version 110 adds serialization of stack in workers (worker.postMessage() and structuredClone()).Firefox for Android: Version 103 serialized properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox for Android: Version 104 adds serialization of stack in the main thread (window.postMessage() and structuredClone()).Firefox for Android: Version 110 adds serialization of stack in workers (worker.postMessage() and structuredClone()). |
| javascript.builtins.EvalError.serializable_object 📋 | Chrome | 9/10/2019 | 2553 | Firefox: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()).Firefox for Android: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox for Android: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox for Android: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()). |
| javascript.builtins.FinalizationRegistry.symbol_as_target | Chrome | 1/10/2023 | 1335 | |
| javascript.builtins.Float16Array 📋 | Firefox | 8/6/2024 | 761 | |
| javascript.builtins.Float16Array.Float16Array 📋 | Firefox | 8/6/2024 | 761 | |
| javascript.builtins.Function.displayName | Firefox | 6/5/2012 | 5206 | |
| javascript.builtins.InternalError | Firefox | 11/9/2004 | 7971 | |
| javascript.builtins.InternalError.InternalError | Firefox | 11/9/2004 | 7971 | |
| javascript.builtins.Intl.DurationFormat 📋 | Safari | 3/27/2023 | 1259 | |
| javascript.builtins.Intl.DurationFormat.DurationFormat 📋 | Safari | 3/27/2023 | 1259 | |
| javascript.builtins.Intl.DurationFormat.format 📋 | Safari | 3/27/2023 | 1259 | |
| javascript.builtins.Intl.DurationFormat.formatToParts 📋 | Safari | 3/27/2023 | 1259 | |
| javascript.builtins.Intl.DurationFormat.resolvedOptions 📋 | Safari | 3/27/2023 | 1259 | |
| javascript.builtins.Intl.DurationFormat.supportedLocalesOf 📋 | Safari | 3/27/2023 | 1259 | |
| javascript.builtins.Intl.Locale.getCalendars 📋 | Safari | 9/18/2023 | 1084 | Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property. |
| javascript.builtins.Intl.Locale.getCollations 📋 | Safari | 9/18/2023 | 1084 | Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property. |
| javascript.builtins.Intl.Locale.getHourCycles 📋 | Safari | 9/18/2023 | 1084 | Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property. |
| javascript.builtins.Intl.Locale.getNumberingSystems 📋 | Safari | 9/18/2023 | 1084 | Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property. |
| javascript.builtins.Intl.Locale.getTextInfo 📋 | Safari | 9/18/2023 | 1084 | Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Deno: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property. |
| javascript.builtins.Intl.Locale.getTimeZones 📋 | Safari | 9/18/2023 | 1084 | Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property. |
| javascript.builtins.Intl.Locale.getWeekInfo 📋 | Safari | 9/18/2023 | 1084 | Chrome: Implemented as an accessor property.Chrome Android: Implemented as an accessor property.Edge: Implemented as an accessor property.Node.js: Implemented as an accessor property.Quest Browser: Implemented as an accessor property.Opera: Implemented as an accessor property.Opera Android: Implemented as an accessor property.Safari: Implemented as an accessor property.Safari on iOS: Implemented as an accessor property.Samsung Internet: Implemented as an accessor property.WebView Android: Implemented as an accessor property.WebView on iOS: Implemented as an accessor property. |
| javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_roundingIncrement_parameter | Firefox | 8/1/2023 | 1132 | |
| javascript.builtins.Intl.PluralRules.PluralRules.options_parameter.options_trailingZeroDisplay_parameter | Firefox | 8/1/2023 | 1132 | |
| javascript.builtins.Iterator.Iterator 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.drop 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.every 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.filter 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.find 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.flatMap 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.forEach 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.from 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.map 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.reduce 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.some 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.take 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.Iterator.toArray 📋 | Chrome | 2/20/2024 | 929 | |
| javascript.builtins.JSON.isRawJSON 📋 | Chrome | 5/30/2023 | 1195 | |
| javascript.builtins.JSON.parse.reviver_parameter_context_argument 📋 | Chrome | 5/30/2023 | 1195 | |
| javascript.builtins.JSON.rawJSON 📋 | Chrome | 5/30/2023 | 1195 | |
| javascript.builtins.Math.f16round 📋 | Firefox | 8/6/2024 | 761 | |
| javascript.builtins.Promise.incumbent_settings_object_tracking 📋 | Firefox | 11/15/2016 | 3582 | |
| javascript.builtins.RangeError.serializable_object 📋 | Chrome | 9/10/2019 | 2553 | Firefox: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()).Firefox for Android: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox for Android: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox for Android: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()). |
| javascript.builtins.ReferenceError.serializable_object 📋 | Chrome | 9/10/2019 | 2553 | Firefox: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()).Firefox for Android: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox for Android: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox for Android: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()). |
| javascript.builtins.RegExp.escape 📋 | Safari | 12/11/2024 | 634 | |
| javascript.builtins.SyntaxError.serializable_object 📋 | Chrome | 9/10/2019 | 2553 | Firefox: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()).Firefox for Android: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox for Android: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox for Android: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()). |
| javascript.builtins.TypeError.serializable_object 📋 | Chrome | 9/10/2019 | 2553 | Firefox: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()).Firefox for Android: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox for Android: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox for Android: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()). |
| javascript.builtins.URIError.serializable_object 📋 | Chrome | 9/10/2019 | 2553 | Firefox: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()).Firefox for Android: Version 103 serializable properties: name, message, cause, fileName, lineNumber and columnNumber.Firefox for Android: Version 104 also serializes stack in the main thread (window.postMessage() and structuredClone()).Firefox for Android: Version 110 also serializes stack in workers (worker.postMessage() and structuredClone()). |
| javascript.builtins.Uint8Array.fromBase64 📋 | Firefox | 11/26/2024 | 649 | |
| javascript.builtins.Uint8Array.fromHex 📋 | Firefox | 11/26/2024 | 649 | |
| javascript.builtins.Uint8Array.setFromBase64 📋 | Firefox | 11/26/2024 | 649 | |
| javascript.builtins.Uint8Array.setFromHex 📋 | Firefox | 11/26/2024 | 649 | |
| javascript.builtins.Uint8Array.toBase64 📋 | Firefox | 11/26/2024 | 649 | |
| javascript.builtins.Uint8Array.toHex 📋 | Firefox | 11/26/2024 | 649 | |
| javascript.builtins.WeakMap.symbol_as_keys | Chrome | 1/10/2023 | 1335 | |
| javascript.builtins.WeakRef.symbol_as_target | Chrome | 1/10/2023 | 1335 | |
| javascript.builtins.WeakSet.symbol_as_keys | Chrome | 1/10/2023 | 1335 | |
| javascript.grammar.trailing_commas.trailing_commas_in_dynamic_import | Chrome | 5/25/2021 | 1930 | Node.js: The second parameter no longer throws a parser error, but the --experimental-json-modules flag is still needed to load JSON modules. |
| javascript.operators.import.options_parameter | Chrome | 5/25/2021 | 1930 | Node.js: The second parameter no longer throws a parser error, but the --experimental-json-modules flag is still needed to load JSON modules. |
| javascript.regular_expressions.modifier 📋 | Chrome | 5/14/2024 | 845 | |
| javascript.statements.import.import_attributes 📋 | Safari | 12/11/2023 | 1000 | |
| javascript.statements.import.import_attributes.type_css | Chrome | 3/19/2024 | 901 | |
| javascript.statements.import.import_attributes.type_json | Safari | 12/11/2023 | 1000 | |
| javascript.statements.import.service_worker_support | Chrome | 5/25/2021 | 1930 | |
| javascript.statements.import.worklet_support | Firefox | 6/6/2023 | 1188 |
| API | First Browser | Date | Days in Limbo | Notes |
|---|---|---|---|---|
| webassembly.api.Exception.stack | Chrome | 10/19/2021 | 1783 | |
| webassembly.api.Module.Module.compile_options 📋 | Chrome | 10/15/2024 | 691 | |
| webassembly.api.Tag.type 📋 | Safari | 12/13/2021 | 1728 | |
| webassembly.api.compileStreaming_static.compile_options 📋 | Chrome | 10/15/2024 | 691 | |
| webassembly.api.compile_static.compile_options 📋 | Chrome | 10/15/2024 | 691 | |
| webassembly.api.instantiateStreaming_static.compile_options 📋 | Chrome | 10/15/2024 | 691 | |
| webassembly.api.instantiate_static.compile_options 📋 | Chrome | 10/15/2024 | 691 | |
| webassembly.api.validate_static.compile_options 📋 | Chrome | 10/15/2024 | 691 | |
| webassembly.exceptionsFinal 📋 | Firefox | 10/1/2024 | 705 | |
| webassembly.jsStringBuiltins 📋 | Chrome | 10/15/2024 | 691 | |
| webassembly.memory64 📋 | Firefox | 1/7/2025 | 607 | |
| webassembly.multiMemory 📋 | Chrome | 12/5/2023 | 1006 | |
| webassembly.relaxed-SIMD 📋 | Chrome | 5/30/2023 | 1195 |