language read-only property of the
TextTrack interface returns the language of the text track.
let language = TextTrack.language;
string containing a language identifier. For example,
"en-US" for United States English or
"pt-BR" for Brazilian Portuguese.
In the following example the value of
language is printed to the console.
let video = document.querySelector('video'); let track = video.addTextTrack("captions", "Captions", "en-US"); track.mode = "showing"; console.log(track.language);
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