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Defines out-of-band (OOB) text track information.

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Properties

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kind

kind: ITextTrackKind Track type (subtitles/captions/metadata)

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label

label: string Display name of the text track

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language

language: string Language code of the text track

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See

https://html.spec.whatwg.org/multipage/media.html#dom-texttrack-language

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mimeType

mimeType: string MIME type of the text track content

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textUrl

textUrl: IMediaLocator URL and headers for fetching text track data
Last modified on October 2, 2025