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For additional information, see https://html.spec.whatwg.org/multipage/media.html#texttracklist

Extends

Properties

onchange?

optional onchange: EventListener For additional information, see https://html.spec.whatwg.org/multipage/media.html#handler-tracklist-onchange.

onaddtrack?

optional onaddtrack: EventListener For additional information, see https://html.spec.whatwg.org/multipage/media.html#handler-tracklist-onaddtrack.

onremovetrack?

optional onremovetrack: EventListener For additional information, see https://html.spec.whatwg.org/multipage/media.html#handler-tracklist-onremovetrack.

length

length: number For additional information, see https://html.spec.whatwg.org/multipage/media.html#dom-texttracklist-length.

Methods

getTrackById()

getTrackById(id: string): TextTrack | undefined For additional information, see https://html.spec.whatwg.org/multipage/media.html#dom-texttracklist-gettrackbyid.

Parameters

id
string

Returns

TextTrack | undefined
Last modified on July 22, 2026