This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2017.
The MediaStreamTrackEvent interface of the Media Capture and Streams API represents events which indicate that a MediaStream has had tracks added to or removed from the stream through calls to Media Capture and Streams API methods. These events are sent to the stream when these changes occur.
The events based on this interface are addtrack and removetrack.
MediaStreamTrackEvent()Constructs a new MediaStreamTrackEvent with the specified configuration.
Also inherits properties from its parent interface, Event.
MediaStreamTrackEvent.track Read only
Returns a MediaStreamTrack object representing the track associated with the event.
Also inherits methods from its parent interface, Event.
| Specification |
|---|
| Media Capture and Streams> # mediastreamtrackevent> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
MediaStreamTrackEvent |
55 | 12 | 50 | 42 | 11 | 55 | 50 | 42 | 11 | 6.0 | 55 | 11 |
MediaStreamTrackEvent |
26 | 12 | 50 | 15 | 11 | 26 | 50 | 14 | 11 | 1.5 | 4.4 | 11 |
track |
26 | 12 | 50 | 15 | 11 | 26 | 50 | 14 | 11 | 1.5 | 4.4 | 11 |
© 2005–2025 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamTrackEvent