HTML DOM Audio audioTracks property
Examples
Get the number of audio tracks available:
var x = document.getElementById("myAudio").audioTracks.length;
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Definition and Usage
audioTracks property returns AudioTrackList object.
Returns available AudioTrackList object audio track rails.
Each audio track rail represents a AudioTrack object.
Browser Support
All major browsers do not support audioTracks property.
grammar
audioObject .audioTracks
return value
类型 | 描述 |
---|---|
AudioTrackList 对象 | 表示audio的可用音频轨道。 AudioTrackList 对象:
注意: ( index ) 0 代表第一个可用的 AudioTrack 对象。 |
AudioTrack 对象 | 表示音频轨道。 AudioTrack 对象属性:
|
Audio Object