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HTML | DOM Video audioTracks Property

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The Video 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

videoObject.audioTracks

Below program illustrates the Video audioTracks Property : 

Example: Getting the number of available audio tracks. 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>
      Video audioTracks Property in HTML
    </title>
    <style>
        h1 {
            color: green;
        }
         
        h2 {
            font-family: Impact;
        }
         
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
 
    <h1>
      GeeksforGeeks
    </h1>
    <h2>
      Video audioTracks Property
    </h2>
    <br>
 
    <video id="Test_Video"
           width="360"
           height="240"
           controls>
       
        <source src="samplevideo.mp4"
                type="video/mp4">
       
        <source src="movie.ogg"
                type="video/ogg">
    </video>
 
    <p>
      To get the number of available audio tracks,
      double click the "Return Count" button.
    </p>
 
    <button ondblclick="My_Video()">
      Return Count
    </button>
 
    <p id="test"></p>
 
    <script>
        function My_Video() {
            var v =
                document.getElementById(
                  "Test_Video").audioTracks.length;
           
            document.getElementById(
              "test").innerHTML = v;
        }
    </script>
 
</body>
 
</html>


Output:

  • Before clicking the button:
  • After clicking the button:

Supported browsers: 

  • Internet Explorer 10 and above
  • Safari 7 and above


Last Updated : 16 Aug, 2022
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