An audio file that will automatically start playing:
The autoplay attribute is a boolean attribute.
When present, the audio will automatically start playing as soon as it can do so without stopping.
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 |
The <audio> tag is new in HTML5.
In XHTML, attribute minimization is forbidden, and the autoplay attribute must be defined as <audio autoplay="autoplay">.