On the standards track: Yes
Is Experimental: No
Is Deprecated: Yes
In Chrome version 119 on 2023-10-31 Note: Before Chrome 119, an empty string incorrectly activated the confirmation dialog.
In Chrome Android version 119 on 2023-10-31 Note: Before Chrome Android 119, an empty string incorrectly activated the confirmation dialog.
Not in Deno
In Edge version 12 on 2015-07-29
In Firefox version 1.5 on 2005-11-29
In Firefox for Android version 4 on 2011-03-29
In Internet Explorer version 9 on 2011-03-14
In Quest Browser version 5.0 on undefined Note: Before Quest Browser false, an empty string incorrectly activated the confirmation dialog.
In Opera version 105 on 2023-11-14 Note: Before Opera 105, an empty string incorrectly activated the confirmation dialog.
In Opera Android version 79 on 2023-12-06 Note: Before Opera Android 79, an empty string incorrectly activated the confirmation dialog.
In Safari version 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 3.0 on 2015-04-10
In WebView Android version 119 on 2023-10-31 Note: Before WebView Android 119, an empty string incorrectly activated the confirmation dialog.
In WebView on iOS version 7 on 2013-09-18