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HTML Audio/Video DOM audioTracks Property

HTML audio Tag Reference HTML Audio/Video DOM Reference

Example

Get the number of available audio tracks:

var vid = document.getElementById("myVideo");
alert(myVid.audioTracks.length);

Try it Yourself »

Definition and Usage

The audioTracks property returns a AudioTrackList object.

The AudioTrackList object represents the available audio tracks for the audio/video.

Each available audio track is represented by an AudioTrack Object.


Browser Support

Property
audioTracks Not supported 11 Not supported Not supported Not supported


Syntax

audio|video.audioTracks

Return Value

Type Description
AudioTrackList Object Represents the available audio tracks for the audio/video.

AudioTrackList Object:

  • audioTracks.length - get the number of audio tracks available
  • audioTracks.getTrackById(id) - get AudioTrack object by id
  • audioTracks[index] - get AudioTrack object by index

Note: The first available AudioTrack object is index 0

AudioTrack Object Represents an audio track.

AudioTrack Object Properties:

  • id - get the id of the audio track
  • kind - get the type of the audio track (can be: "alternative", "description", "main", "translation", "commentary", or "" (empty string)) 
  • label - get the label of the audio track
  • language - get the language of the audio track
  • enabled - get or set if the track is active (true|false)


HTML audio Tag Reference HTML Audio/Video DOM Reference

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