HTML default Attribute

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.

The default attribute specifies the default track to be played along with video, if the user has not previously selected any another track for the same video.

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

Applies to

The default attribute can be used on the following element:

Element	Attribute
<track>	default

Example

Example

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

<video width="320" height="240" controls>
<source src="love.mp4" type="video/mp4">
<track src="subtitles_en.vtt" kind="subtitles" srclang="en" label="English" default>
<track src="subtitles_hi.vtt" kind="subtitles" srclang="hi" label="Hindi">
</video>

Browser Support

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

Attribute
default	18.0	10.0	31.0	6.0	15.0