Web/API/TextTrackList/getTrackById

The TextTrackList method getTrackById() returns the first TextTrack object from the track list whose id matches the specified string. This lets you find a specified track if you know its ID string.

Syntax

var theTrack = TextTrackList.getTrackById(id);

Paramters

id

A DOMString indicating the ID of the track to locate within the track list.

Return value

A TextTrack object indicating the first track found within the TextTrackList whose id matches the specified string. If no match is found, this method returns null.

The tracks are searched in their natural order; that is, in the order defined by the media resource itself, or, if the resource doesn't define an order, the relative order in which the tracks are declared by the media resource.

Specifications

Specification	Status	Comment
HTML Living StandardThe definition of 'TextTrackList.getTrackById()' in that specification.	Living Standard

Browser compatibility

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
getTrackById	Chrome Full support Yes	Edge Full support 18	Firefox Full support Yes	IE No support No	Opera ?	Safari Full support 6	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android ?	Opera Android ?	Safari iOS ?	Samsung Internet Android Full support Yes

Legend

Full support  

Full support

No support  

No support

Compatibility unknown  

Compatibility unknown

getTrackById() by Mozilla Contributors is licensed under CC-BY-SA 2.5.