:focus-visible CSS pseudo-class

- UNOFF

The :focus-visible pseudo-class applies while an element matches the :focus pseudo-class, and the UA determines via heuristics that the focus should be specially indicated on the element (typically via a “focus ring”).

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 84: Disabled by default
  3. 85: Disabled by default

Firefox

  1. 2 - 3.6: Not supported
  2. 4 - 79: Supported
  3. 80: Supported
  4. 81 - 82: Supported

Chrome

  1. 4 - 66: Not supported
  2. 67 - 84: Disabled by default
  3. 85: Disabled by default
  4. 86 - 88: Supported

Safari

  1. 3.1 - 13.1: Not supported
  2. 14: Not supported
  3. TP: Not supported

Opera

  1. 9 - 65: Not supported
  2. 66 - 69: Disabled by default
  3. 70: Disabled by default

iOS Safari

  1. 3.2 - 13.7: Not supported
  2. 14.0: Not supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 81: Not supported

Blackberry Browser

  1. 7: Not supported
  2. 10: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 46: Not supported

Chrome for Android

  1. 85: Disabled by default

Firefox for Android

  1. 79: Supported

IE Mobile

  1. 10: Not supported
  2. 11: Not supported

UC Browser for Android

  1. 12.12: Not supported

Samsung Internet

  1. 4 - 11.2: Not supported
  2. 12.0: Not supported

QQ Browser

  1. 10.4: Not supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Supported

Previously drafted as :focus-ring

Resources:
Chrome does not support CSS Selectors 4 :focus-visible
WebKit bug #140144: Add support for `-webkit-focusring` CSS pseudo class
Bugzilla: Add :focus-visible (former :focus-ring)
Bugzilla: implement :focus-visible pseudo-class (rename/alias :-moz-focusring)
Mozilla Developer Network (MDN) documentation - :-moz-focusring
Prototype for `:focus-visible`
Blink: Intent to implement :focus-visible pseudo class.
Microsoft Edge implementation suggestion