autoplay
The autoplay feature controls access to autoplay of media requested through the HTMLMediaElement interface.
If disabled in a document, then calls to play()
without a user gesture will reject the promise with a NotAllowedError
DOMException object as its parameter. The autoplay
attribute will be ignored.
How to apply this policy
Send the following HTTP header to control the autoplay
policy, and disallow
it on all origins:
Feature-Policy: autoplay 'none'
Does it work?
Currently Firefox, and Chromium based browsers, such as Google Chrome, Samsung Internet,
and Opera, are the only user-agents to support Feature Policy. The minimum version that
correctly recognises the autoplay
policy is:
Not supported
Not supported
Not supported
Not supported