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 > w3wiki </ 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
Contact Us