:indeterminate CSS pseudo-class

- WD

The :indeterminate pseudo-class matches indeterminate checkboxes, indeterminate <progress> bars, and radio buttons with no checked button in their radio button group.

Chrome

  1. 4 - 14: Support unknown
  2. 15 - 38: Partial support
  3. 39 - 116: Supported
  4. 117: Supported
  5. 118 - 120: Supported

Edge

  1. 12 - 18: Partial support
  2. 79 - 116: Supported
  3. 117: Supported

Safari

  1. 3.1 - 5: Support unknown
  2. 5.1: Partial support
  3. 6: Support unknown
  4. 6.1 - 10: Partial support
  5. 10.1 - 16.5: Supported
  6. 16.6: Supported
  7. 17.0 - TP: Supported

Firefox

  1. 2 - 3.6: Support unknown
  2. 4 - 5: Partial support
  3. 6 - 50: Partial support
  4. 51 - 116: Supported
  5. 117: Supported
  6. 118 - 120: Supported

Opera

  1. 9 - 11.5: Support unknown
  2. 11.6 - 12.1: Partial support
  3. 15 - 25: Partial support
  4. 26 - 101: Supported
  5. 102: Supported

IE

  1. 5.5 - 8: Not supported
  2. 9: Partial support
  3. 10: Partial support
  4. 11: Partial support

Chrome for Android

  1. 117: Supported

Safari on iOS

  1. 3.2 - 6.1: Support unknown
  2. 7 - 10.2: Partial support
  3. 10.3 - 16.6: Supported
  4. 17.0: Supported
  5. 17.1: Supported

Samsung Internet

  1. 4 - 21: Supported
  2. 22: Supported

Opera Mini

  1. all: Partial support

Opera Mobile

  1. 10 - 12: Support unknown
  2. 12.1: Partial support
  3. 73: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 3: Support unknown
  2. 4 - 4.3: Partial support
  3. 4.4: Partial support
  4. 4.4.3: Support unknown
  5. 117: Supported

Firefox for Android

  1. 117: Supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: Supported

KaiOS Browser

  1. 2.5: Partial support
  2. 3: Supported
Resources:
WebKit Bug 156270 - `:indeterminate` pseudo-class should match radios whose group has no checked radio
Mozilla Bug 885359 - Radio groups without a selected radio button should have `:indeterminate` applying
MDN Web Docs - CSS :indeterminate
HTML specification for `:indeterminate`
JS Bin testcase
EdgeHTML issue 7124038 - `:indeterminate` pseudo-class doesn't match radio buttons