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" > w3wiki </ 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
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