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JavaScript media object method: addTextTrack()

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The addTextTrack() method of the JavaScript DOM object corresponding to HTML media elements (i.e. <audio> and <video> elements) adds a new text track to the media. It is not currently supported by many major browsers.

 

It has the following syntax with the following parameters.

 

object.addTextTrack(kind, label, language)

 

Parameter

Required / Optional

Description

kind

Required

Kind of track being added. Possible values include:

-        subtitles

-        caption

-        descriptions

-        chapters

-        metadata

label

Optional

String specifying track label for users

language

Optional

Two-letter language code

 


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