HTML <audio> autoplay Attribute
An audio file that will automatically start playing:
<source src="horse.ogg" type="audio/ogg">
<source src="horse.mp3" type="audio/mpeg">
Your browser does not support the audio element.
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The autoplay attribute is supported in Internet Explorer 9+, Firefox, Opera, Chrome, and Safari.
Note: Internet Explorer 8 and earlier versions, do not support the <audio> tag.
Definition and Usage
The autoplay attribute is a boolean attribute.
When present, the audio will automatically start playing as soon as it can do so without stopping.
Differences Between HTML 4.01 and HTML5
The <audio> tag is new in HTML5.
Differences Between HTML and XHTML
In XHTML, attribute minimization is forbidden, and the autoplay attribute must be defined as <audio autoplay="autoplay">.
HTML <audio> tag
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