language
Summary
Returns the language of the given track, if known, or the empty string otherwise.
Property of apis/audio-video/AudioTrackapis/audio-video/AudioTrack
Syntax
Note: This property is read-only.
var result = AudioTrack.language;
Return Value
Returns an object of type StringString
Examples
(function () {
// grab the video element
var video = document.getElementById("video");
video.addEventListener("loadeddata", function () {
// get the audiotracks from the video when it's loaded
var audioTracks = video.audioTracks;
var tracksSelection = document.getElementById("tracksSelection");
// loop through the audio tracks
for (var i = 0; i < audioTracks.length; i++) {
// create options for the dropdownlist with the id's
// and languages of the tracks
var opt = document.createElement('option');
opt.value = audioTracks[i].id;
opt.text = audioTracks[i].language;
tracksSelection.add(opt);
}
});
tracksSelection.addEventListener("change", function (e) {
// when the item of the dropdownlist changes
// grab the id from the selected option
var audioTracks = video.audioTracks;
var track = audioTracks.getTrackById(e.currentTarget.value);
//disable all tracks to prevent them from playing all at once
for (var i = 0; i < audioTracks.length; i++) {
audioTracks.enabled = false;
}
//set the selected track for the video
track.enabled = true;
});
})();
Related specifications
- W3C HTML5 Specification
- W3C Editor’s Draft
See also
Related articles
Audio
language
Video
language
Attributions
Microsoft Developer Network: Windows Internet Explorer API reference Article