HTML 오디오/비디오 DOM audioTracks 속성

사용 가능한 오디오 트랙 수 가져오기:

var vid = document.getElementById("myVideo");
alert(vid.audioTracks.length);

정의 및 사용

audioTracks 속성은 AudioTrackList 개체를 반환합니다.

AudioTrackList 객체는 오디오/비디오에 사용 가능한 오디오 트랙을 나타냅니다.

사용 가능한 각 오디오 트랙은 AudioTrack 개체로 표시됩니다.

Property
audioTracks	Not supported	11	Not supported	Not supported	Not supported

audio|video.audioTracks

Type	Description
AudioTrackList Object	Represents the available audio tracks for the audio/video. AudioTrackList Object: audioTracks.length - get the number of audio tracks available audioTracks.getTrackById(id) - get AudioTrack object by id audioTracks[index] - get AudioTrack object by index Note: The first available AudioTrack object is index 0
AudioTrack Object	Represents an audio track. AudioTrack Object Properties: id - get the id of the audio track kind - get the type of the audio track (can be: "alternative", "description", "main", "translation", "commentary", or "" (empty string)) label - get the label of the audio track language - get the language of the audio track enabled - get or set if the track is active (true\|false)

Type

Description

AudioTrackList Object

Represents the available audio tracks for the audio/video.

AudioTrackList Object:

Note: The first available AudioTrack object is index 0

AudioTrack Object

Represents an audio track.

AudioTrack Object Properties:

id - get the id of the audio track
kind - get the type of the audio track (can be: "alternative", "description", "main", "translation", "commentary", or "" (empty string))
label - get the label of the audio track
language - get the language of the audio track
enabled - get or set if the track is active (true|false)