एचटीएमएल ऑडियो/वीडियो डोम वीडियो संपत्ति को ट्रैक करता है

उपलब्ध वीडियो ट्रैक की संख्या प्राप्त करें:

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

परिभाषा और उपयोग

videoTracks गुण एक VideoTrackList ऑब्जेक्ट देता है।

VideoTrackList ऑब्जेक्ट वीडियो के लिए उपलब्ध वीडियो ट्रैक का प्रतिनिधित्व करता है।

प्रत्येक उपलब्ध वीडियो ट्रैक को एक वीडियोट्रैक ऑब्जेक्ट द्वारा दर्शाया जाता है।

Property
videoTracks	Not supported	Not supported	Not supported	Not supported	Not supported

video.videoTracks

Type	Description
VideoTrackList Object	Represents the available video tracks for the video. VideoTrackList Object: videoTracks.length - get the number of video tracks available in the video videoTracks.getTrackById(id) - get VideoTrack object by id videoTracks[index] - get VideoTrack object by index videoTracks.selectedIndex - get the index of the current VideoTrack object Note: The first available VideoTrack object is index 0
VideoTrack Object	Represents a video track. VideoTrack Object Properties: id - get the id of the video track kind - get the type of the video track (can be: "alternative", "captions", "main", "sign", "subtitles", "commentary", or "" (empty string)) label - get the label of the video track language - get the language of the video track selected - get or set if the track is active (true\|false)

Type

Description

VideoTrackList Object

Represents the available video tracks for the video.

VideoTrackList Object:

Note: The first available VideoTrack object is index 0

VideoTrack Object

Represents a video track.

VideoTrack Object Properties:

id - get the id of the video track
kind - get the type of the video track (can be: "alternative", "captions", "main", "sign", "subtitles", "commentary", or "" (empty string))
label - get the label of the video track
language - get the language of the video track
selected - get or set if the track is active (true|false)