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/DOM

VideoTrack.kind

The kind property contains a string indicating the category of video contained in the VideoTrack. The kind can be used to determine the scenarios in which specific tracks should be enabled or disabled. See Video track kind strings for a list of the kinds available for video tracks.

Syntax

var trackKind = VideoTrack.kind;

Value

A DOMString specifying the type of content the media represents. The string is one of those found in Video track kind strings below.

Video track kind strings

The kinds available for video tracks are:

"alternative"
A potential alternative to the main track, such as a different video take or a version of the soundtrack with only the music and no dialogue.
"captions"
A version of the main video track with captions burnt in.
"main"
The primary video track.
"sign"
A sign-language interpretation of an audio track.
"subtitles"
A version of the main video track with subtitles burnt in.
"commentary"
A video track containing a commentary. This might be used to contain the director's commentary track on a movie, for example.
"" (empty string)
The track doesn't have an explicit kind, or the kind provided by the track's metadata isn't recognized by the user agent.

Specifications

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support ? ? ? ? ? ?
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support ? ? ? ? ? ? ?

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/VideoTrack/kind