HTML <track> kind Attribute

Example

<video width="340" height="260" controls playsinline>
  <source src="video.mp4" type="video/mp4">
  <source src="video.webm" type="video/webm">
  <track src="ensubtitle.vtt" kind="subtitles" srclang="en" label="English">
  <track src="frsubtitle.vtt" kind="subtitles" srclang="fr" label="French">
  Your browser does not support the video tag.
</video>

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Meaning

The kind attribute specifies how the text track is meant to be used. If omitted the default kind is subtitles. If the attribute contains an invalid value, it will use metadata.

Standard Syntax

HTML: <track src="URL" kind="captions|chapters|descriptions|metadata|subtitles">

XHTML: <track src="URL" kind="captions|chapters|descriptions|metadata|subtitles" />

Attribute Values

Value	Description
captions	Closed captions provide a transcription and possibly a translation of audio.
chapters	Chapter titles are intended to be used when the user is navigating the media resource.
descriptions	Textual description of the video content. Suitable for users who are blind or where the video cannot be seen.
metadata	The tracks used by scripts. Not visible to the user.
subtitles	The track specifies subtitles, used to display subtitles in a video