settings_applicationsEventTarget > settings_applicationsNode > settings_applicationsElement > settings_applicationsHTMLElement > settings_applicationsHTMLMediaElement > settings_applications[[Prototype]]
요소에 포함된 오디오 트랙을 나타내는 모든 AudioTrack 객체를 나열하는 AudioTrackList를 참조한다.
AudioTrack
AudioTrackList
htmlMediaElement.audioTracks