Limited availability
The read-only audioTracks
property on HTMLMediaElement
objects returns an AudioTrackList
object listing all of the AudioTrack
objects representing the media element's audio tracks.
The media element may be either an <audio>
element or a <video>
element.
The returned list is live; that is, as tracks are added to and removed from the media element, the list's contents change dynamically. Once you have a reference to the list, you can monitor it for changes to detect when new audio tracks are added or existing ones removed. See AudioTrackList events to learn more about watching for changes to a media element's track list.
ValueAn AudioTrackList
object representing the list of audio tracks included in the media element. The list of tracks can be accessed using array notation, or using the object's getTrackById()
method.
Each track is represented by an AudioTrack
object which provides information about the track.
In this example, all of the audio tracks on a given element are muted.
HTMLThe HTML establishes the element itself.
<video id="video" src="somevideo.mp4"></video>
JavaScript
The JavaScript code handles muting the video element's audio tracks.
const video = document.getElementById("video");
for (const track of video.audioTracks) {
track.enabled = false;
}
Specifications Browser compatibility See also
HTMLMediaElement
: Interface used to define the HTMLMediaElement.audioTracks
property<audio>
, <video>
AudioTrack
, AudioTrackList
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