TextTrackList

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

Extends

• EventTarget

Properties

onchange?

optional onchange: EventListener

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

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onaddtrack?

optional onaddtrack: EventListener

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

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onremovetrack?

optional onremovetrack: EventListener

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

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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

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Last updated: Jul 22, 2026