On the standards track: Yes
Is Experimental: Yes
Is Deprecated: No
Not in Chrome
Not in Chrome Android
Not in Edge
In Firefox version 91 on 2021-08-10 Note: The default allowlist is * instead of self (as required by the specification).
In Firefox for Android version 91 on 2021-08-10 Note: The default allowlist is * instead of self (as required by the specification).
Not in Internet Explorer
Not in Quest Browser
Not in Opera
Not in Opera Android
Not in Safari
Not in Safari on iOS
Not in Samsung Internet
Not in WebView Android
Not in WebView on iOS