On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 1 on 2008-12-11
In Chrome Android version 142 on 2025-10-28
In Edge version 12 on 2015-07-29
In Firefox version 1 on 2004-11-09
In Firefox for Android version 4 on 2011-03-29
In Internet Explorer version ≤11 on undefined
In Quest Browser version 42.0 on 2026-01-26
In Opera version 15 on 2013-07-02
In Opera Android version 93 on 2025-11-25
In Safari version 3 on 2007-10-26
Not in Safari on iOS
Not in Samsung Internet
In WebView Android version 142 on 2025-10-28
Not in WebView on iOS