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HTML <track> default Attribute

❮ HTML <track> tag

Example

A video with two subtitle tracks. "English" subtitle is the default:

<video width="320" height="240" controls>
  <source src="forrest_gump.mp4" type="video/mp4">
  <source src="forrest_gump.ogg" type="video/ogg">
  <track src="fgsubtitles_en.vtt" kind="subtitles" srclang="en" label="English" default>
  <track src="fgsubtitles_no.vtt" kind="subtitles" srclang="no" label="Norwegian">
</video>

Definition and Usage

The default attribute is a boolean attribute.

When present, it specifies that the track is to be enabled if the user's preferences do not indicate that another track would be more appropriate.

Note: There must not be more than one track element with a default attribute per media element.


Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

Attribute
default 23.0 10.0 31.0 6.0 12.1

Syntax

<track src="subtitles_en.vtt" default>

❮ HTML <track> tag