Overview / Web Technology
Web technology reference for developers
HTML
Structure of content on the web
CSS
Code used to describe document style
JavaScript
General-purpose scripting language
HTTP
Protocol for transmitting web resources
Web APIs
Interfaces for building web applications
Web Extensions
Developing extensions for web browsers
Accessibility
Build web projects usable for all
Web Technology
Web technology reference for developers
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In this articleTextTrack
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The read-only sourceBuffer
property of the TextTrack
interface returns the SourceBuffer
that created the track, or null if the track was not created by a SourceBuffer
or the SourceBuffer
has been removed from the MediaSource.sourceBuffers
attribute of its parent media source.
A SourceBuffer
or null.
.
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