Web features explorer - :indeterminate

Tags: css Groups: HTML > Forms

The :indeterminate CSS pseudo-class selects any form element whose state is indeterminate, such as checkboxes that have been set to an indeterminate state with JavaScript, or radio buttons which are members of a group in which all radio buttons are unchecked. To learn more, see :indeterminate at MDN.

Compatibility (view on caniuse.com)

Chrome 39 Released on 2014-11-18
Chrome Android 39 Released on 2014-11-12
Edge 79 Released on 2020-01-15
Firefox 51 Released on 2017-01-24
Firefox for Android 51 Released on 2017-01-24
Safari 10 Released on 2016-09-20
Safari on iOS 10 Released on 2016-09-13

Specifications

Selectors Level 4 (#indeterminate), from Cascading Style Sheets (CSS) Working Group (W3C).
HTML Standard (#selector-indeterminate), from HTML Workstream (WHATWG).