revision:
The kind attribute can be used on the <track> element.
<track src="subtitles_en.vtt" kind="subtitles" srclang="en">
Attribute values:
captions: the track defines translation of dialogue and sound effects (suitable for deaf users).
chapters: the track defines chapter titles (suitable for navigating the media resource).
descriptions: the track defines a textual description of the video content (suitable for blind users).
metadata: the track defines content used by scripts. Not visible for the user.
subtitles: the track defines subtitles, used to display subtitles in a video.
no video available
<video width="320" height="240" controls>
<source src="forrest_gump.mp4" type="video/mp4">
<source src="forrest_gump.ogg" type="video/ogg">
<track src="subtitles_en.vtt" kind="subtitles" srclang="en" label="English">
<track src="subtitles_no.vtt" kind="subtitles" srclang="no" label="Norwegian">
</video>
no video available
<video width="400" height="300" controls>
<track src=Wuzhen-20-10_02.mp4" id="myTrack" kind="subtitles" srclang="en" label="English" default>
<source id="myTrack2" src=Wuzhen-20-10_02.mp4" type="video/mp4">
</video>