CSS :read-only and :read-write selectors
- LS:read-only and :read-write pseudo-classes to match elements which are considered user-alterable
Chrome
- 4 - 14: Support unknown
- 15 - 35: Partial support
- 36 - 123: Supported
- 124: Supported
- 125 - 127: Supported
Edge
- 12: Not supported
- 13 - 122: Supported
- 123: Supported
Safari
- 3.1 - 3.2: Support unknown
- 4 - 8: Partial support
- 9 - 17.3: Supported
- 17.4: Supported
- 17.5 - TP: Supported
Firefox
- 2: Support unknown
- 3 - 77: Supported
- 78 - 124: Supported
- 125: Supported
- 126 - 128: Supported
Opera
- 9 - 11.1: Support unknown
- 11.5 - 22: Partial support
- 23 - 108: Supported
- 109: Supported
IE
- 5.5 - 10: Not supported
- 11: Not supported
Chrome for Android
- 123: Supported
Safari on iOS
- 3.2 - 4.1: Support unknown
- 4.2 - 8.4: Partial support
- 9 - 17.3: Supported
- 17.4: Supported
- 17.5: Supported
Samsung Internet
- 4 - 23: Supported
- 24: Supported
Opera Mini
- all: Not supported
Opera Mobile
- 10 - 11.1: Not supported
- 11.5 - 12.1: Partial support
- 80: Supported
UC Browser for Android
- 15.5: Supported
Android Browser
- 2.1 - 2.2: Support unknown
- 2.3 - 4.4.4: Partial support
- 123: Supported
Firefox for Android
- 124: Supported
QQ Browser
- 14.9: Supported
Baidu Browser
- 13.52: Supported
KaiOS Browser
- 2.5: Supported
- 3: Supported