HTML DOM Audio audioTracks Property

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:

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

The 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="beep-01a.wav" type="audio/ogg">
        <source src="beep-01a.wav" 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() {
            let 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:

Safari

HTML DOM Audio audioTracks Property

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