HTML | DOM Video audioTracks Property
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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