:focus-within CSS pseudo-class
- UNOFFThe :focus-within pseudo-class matches elements that either themselves match :focus or that have descendants which match :focus.
Chrome
- ❌ 4 - 58: Not supported
- ❌ 59: Disabled by default
- ✅ 60 - 136: Supported
- ✅ 137: Supported
- ✅ 138 - 140: Supported
Edge
- ❌ 12 - 18: Not supported
- ✅ 79 - 136: Supported
- ✅ 137: Supported
Safari
- ❌ 3.1 - 10: Not supported
- ✅ 10.1 - 18.4: Supported
- ✅ 18.5: Supported
- ✅ 26.0 - TP: Supported
Firefox
- ❌ 2 - 51: Not supported
- ✅ 52 - 138: Supported
- ✅ 139: Supported
- ✅ 140 - 142: Supported
Opera
- ❌ 9 - 45: Not supported
- ❌ 46: Disabled by default
- ✅ 47 - 116: Supported
- ✅ 117: Supported
IE
- ❌ 5.5 - 10: Not supported
- ❌ 11: Not supported
Chrome for Android
- ✅ 137: Supported
Safari on iOS
- ❌ 3.2 - 10.2: Not supported
- ✅ 10.3 - 18.4: Supported
- ✅ 18.5: Supported
- ✅ 26.0: Supported
Samsung Internet
- ❌ 4 - 7.4: Not supported
- ✅ 8.2 - 27: Supported
- ✅ 28: Supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12.1: Not supported
- ✅ 80: Supported
UC Browser for Android
- ✅ 15.5: Supported
Android Browser
- ❌ 2.1 - 4.4.4: Not supported
- ✅ 137: Supported
Firefox for Android
- ✅ 139: Supported
QQ Browser
- ✅ 14.9: Supported
Baidu Browser
- ✅ 13.52: Supported
KaiOS Browser
- ❌ 2.5: Not supported
- ✅ 3: Supported
- Resources:
- ally.style.focusWithin Polyfill, part of ally.js
- Chromium issue #617371: Implement `:focus-within` pseudo-class from Selectors Level 4
- WebKit bug #140144: Add support for CSS4 `:focus-within` pseudo
- Mozilla bug #1176997: Add support for pseudo class `:focus-within`
- MDN Web Docs - :focus-within
- JS Bin testcase
- The Future Generation of CSS Selectors: Level 4: Generalized Input Focus Pseudo-class