TextTrack: kind property

The kind read-only property of the TextTrack interface returns the kind of text track this object represents. This decides how the track will be handled by a user agent.

Value

A string. One of:

• "subtitles"
  • : The cues are overlaid on the video. Positioning of the cues is controlled using the properties of an object that inherits from TextTrackCue, for example VTTCue.
• "captions"
  • : The cues are overlaid on the video. Positioning of the cues is controlled using the properties of an object that inherits from TextTrackCue, for example VTTCue.
• "descriptions"
  • : The cues are made available in a non-visual fashion.
• "chapters"
  • : The user agent will make available a mechanism to navigate by selecting a cue.
• "metadata"
  • : Additional data related to the media data, which could be used for interactive views.

Examples

In the following example the value of kind is printed to the console.

let video = document.querySelector("video");
let track = video.addTextTrack("captions", "Captions", "en");
track.mode = "showing";
console.log(track.kind);

Specifications

Browser compatibility