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HTML <video> autoplay Attribute

< HTML <video> tag

Example

A video that will automatically start playing:

<video controls autoplay>
  <source src="movie.mp4" type="video/mp4">
  <source src="movie.ogg" type="video/ogg">
  Your browser does not support the video tag.
</video>
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Definition and Usage

The autoplay attribute is a boolean attribute.

When present, the video will automatically start playing as soon as it can do so without stopping.


Browser Support

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

Attribute
autoplay 4.0 9.0 3.5 4.0 10.5

Differences Between HTML 4.01 and HTML5

The <video> tag is new in HTML5.


Differences Between HTML and XHTML

In XHTML, attribute minimization is forbidden, and the autoplay attribute must be defined as <video autoplay="autoplay">.


Syntax

<video autoplay>

< HTML <video> tag