A video that will automatically start playing:
The autoplay attribute is supported in all major browsers.
Note: Internet Explorer 8 and earlier versions, do not support the <video> tag.
The autoplay attribute is a boolean attribute.
When present, the video will automatically start playing as soon as it can do so without stopping.
The <video> tag is new in HTML5.
In XHTML, attribute minimization is forbidden, and the autoplay attribute must be defined as <video autoplay="autoplay">.
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