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HTML | DOM Audio audioTracks Property

  • 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.
Syntax: 

audioObject.audioTracks

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. 

html




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

Output: 

  • 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

Attention reader! Don’t stop learning now. Get hold of all the important HTML concepts with the Web Design for Beginners | HTML  course.




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