track

The track element specifies text tracks for media elements.

Example:

<video width="320" height="240" controls>
<source src="rr.mp4" type="video/mp4">
<source src="rr.ogg" type="video/ogg">
<track src="rrsubtitles_en.vtt" kind="subtitles" srclang="en" label="English">
<track src="rrsubtitles_ru.vtt" kind="subtitles" srclang="ru" label="Russian">
</video>