/Web APIs


The MediaStreamTrackEvent interface 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.

Event MediaStreamTrackEvent

The events based on this interface are addtrack and removetrack.

Instance properties

Also inherits properties from its parent interface, Event.

MediaStreamTrackEvent.track Read only

Returns a MediaStreamTrack object representing the track associated with the event.



Constructs a new MediaStreamTrackEvent with the specified configuration.

Instance methods

Also inherits methods from its parent Event.


Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
MediaStreamTrackEvent 55 12 50 No 42 11 55 55 50 42 11 6.0
MediaStreamTrackEvent 26 12 50 No 15 11 4.4 26 50 14 11 1.5
track 26 12 50 No 15 11 4.4 26 50 14 11 1.5

See also

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