On the standards track: No
Is Experimental: No
Is Deprecated: Yes
In Chrome version 1 on 2008-12-11 Removed from Chrome version 127 on 2024-07-23
In Chrome Android version 18 on 2012-06-27 Removed from Chrome Android version 127 on 2024-07-23
In Edge version 12 on 2015-07-29 Removed from Edge version 127 on 2024-07-25
In Firefox version 1 on 2004-11-09 Removed from Firefox version 140 on 2025-06-24
In Firefox for Android version 4 on 2011-03-29 Removed from Firefox for Android version 140 on 2025-06-24
In Internet Explorer version 9 on 2011-03-14
In Quest Browser version 5.0 on undefined
In Opera version ≤12.1 on undefined
In Opera Android version ≤12.1 on undefined
In Safari version 1 on 2003-06-23 Removed from Safari version 26 on 2025-09-15
In Safari on iOS version 1 on 2007-06-29 Removed from Safari on iOS version 26 on 2025-09-15
In Samsung Internet version 1.0 on 2013-04-27 Removed from Samsung Internet version 28.0 on 2025-04-02
In WebView Android version 4.4 on 2013-12-09 Removed from WebView Android version 127 on 2024-07-23
In WebView on iOS version 1 on 2007-06-29 Removed from WebView on iOS version 26 on 2025-09-15