SourceBuffer.textTracks

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Draft
This page is not complete.

The textTracks read-only property of the SourceBuffer interface returns a list of the text tracks currently contained inside the SourceBuffer.

Syntax

var myTextTracks = sourceBuffer.textTracks;

Value

An TextTrackList object.

Example

TBD

Specifications

Specification Status Comment
Media Source Extensions
The definition of 'textTracks' in that specification.
Candidate Recommendation Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 23 25.0 (25.0)[1]
42.0 (42.0)
11[2] 15 8
Feature Android Firefox Mobile (Gecko) Firefox OS (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support 4.4.4

No support

No support 11 30 No support

[1] Available after switching the about:config preference media.mediasource.enabled to true. In addition, support was limited to a whitelist of sites, for example YouTube, Netflix, and other popular streaming sites. The whitelist was removed and Media Source Extensions was enabled by default in 42+ for all sites.

[2] Only works on Windows 8+.

See also

Document Tags and Contributors

 Contributors to this page: chrisdavidmills
 Last updated by: chrisdavidmills,