HTML autoplay Attribute

Definition and Usage

The autoplay attribute is a boolean attribute.

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

Applies to

The autoplay attribute can be used on the following elements:

Elements	Attribute
<audio>	autoplay
<video>	autoplay

Examples

Example

An audio file that will automatically start playing:

<audio controls autoplay>
<source src="horse.ogg" type="audio/ogg">
<source src="horse.mp3" type="audio/mpeg">
Your browser does not support the audio element.
</audio>

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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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Browser Support

The autoplay attribute has the following browser support for each element:

Element
audio	4.0	9.0	3.5	4.0	10.5
video	4.0	9.0	3.5	4.0	10.5

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