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HTML | DOM Audio audioTracks Property

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  • Last Updated : 16 Oct, 2021
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The Audio audioTracks Property is used for returning an AudioTrackList object. The audio tracks available for a video are represented by the AudioTrackList object. 
The AudioTrack Object is used to represent an available audio track.


Return Values: 

  1. AudioTrackList Object: It is used to represent the available audio tracks for the audio.
  2. AudioTrack Object: It is used to represent an audio track.

Below program illustrates the Audio audioTracks property : 
Example: Getting the number of available audio tracks. 


<!DOCTYPE html>
       Audio audioTrack Property
<body style="text-align: center">
    <h1 style="color: green">
    <h2 style="font-family: Impact">
      Audio audioTrack Property
    <audio id="Test_Audio" controls>
        <source src="sample1.ogg"
        <source src="sample1.mp3"
<p>To get the number of available
      audio tracks, double click the "Return
      Count" button.</p>
    <button ondblclick="My_Audio()">
      Return Count
    <p id="test"></p>
        function My_Audio() {
            var a = document.getElementById(
            document.getElementById("test").innerHTML = a;


  • Before clicking the button: 

  • After clicking the button: 

Supported browser: The browser supported by HTML | DOM Audio audioTracks Property are listed below: 

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Opera
  • Safari

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