MediaStreamTrackEvent: track property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2017.

The track read-only property of the MediaStreamTrackEvent interface returns the MediaStreamTrack associated with this event.

Value

const stream = new MediaStream();

stream.addEventListener("removetrack", (event) => {
  console.log(`${event.track.kind} track removed`);
});

Specification
Media Capture and Streams # dom-mediastreamtrackevent-track

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`track`	Chrome – Full support Chrome 26 (Release date: 2013-03-26) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – Full support Firefox 50 (Release date: 2016-11-15) footnote Full support	Opera – Full support Opera 15 (Release date: 2013-07-02) footnote Full support	Safari – Full support Safari 11 (Release date: 2017-09-19) footnote Full support	Chrome Android – Full support Chrome Android 26 (Release date: 2013-04-03) footnote Full support	Firefox for Android – Full support Firefox for Android 50 (Release date: 2016-11-15) footnote Full support	Opera Android – Full support Opera Android 14 (Release date: 2013-05-21) footnote Full support	Safari on iOS – Full support Safari on iOS 11 (Release date: 2017-09-19) footnote Full support	Samsung Internet – Full support Samsung Internet 1.5 (Release date: 2013-09-25) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – Full support WebView on iOS 11 (Release date: 2017-09-19) footnote Full support

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