HTML and CSS Reference
<track> (XHTML: <track/> or <track /> )
Not in HTML 4.01 . Specifies an external resource (text or audio) that is timed with a video
or audio media file that improves accessibility or enhances navigation.
As a child of an audio or video element, before any flow content
This is an empty (void) element, meaning it has only a start tag and may not have any con-
tents. In HTML, the end tag is forbidden. In XHTML, the element must be closed with a
trailing slash ( <track/> or <track /> ).
HTML5 Global Attributes
default ( default="default" in XHTML)
Indicates that the track should be used by default if it does not override user preferences.