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 |