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.
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
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