WebVTT is a captions and subtitles format. WebVTT files are loaded using the <track> element, and the VTTCue API can be used to create or update cues dynamically.

Learning resources on MDN

• WebVTT API

Browser support (view on caniuse.com)

• Chrome 23 Released on 2012-11-06
• Chrome Android 25 Released on 2013-02-27
• Edge 12 Released on 2015-07-29
• Firefox 31 Released on 2014-07-22
• Firefox for Android 31 Released on 2014-07-22
• Safari 6 Released on 2012-07-25
• Safari on iOS 8 Released on 2014-09-17

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