/Web APIs

AudioTrack: id property

The id property contains a string which uniquely identifies the track represented by the AudioTrack.

This ID can be used with the AudioTrackList.getTrackById() method to locate a specific track within the media associated with a media element. The track ID can also be used as the fragment of a URL that loads the specific track (if the media supports media fragments).


A string which identifies the track, suitable for use when calling getTrackById() on an AudioTrackList such as the one specified by a media element's audioTracks property.


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
id 37 7912–79 33 10 24 8 No 37 No No 8 No

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