:placeholder-shown CSS pseudo-class
- WDInput elements can sometimes show placeholder text as a hint to the user on what to type in. See, for example, the placeholder attribute in HTML5. The :placeholder-shown pseudo-class matches an input element that is showing such placeholder text.
Chrome
- 4 - 46: Not supported
- 47 - 123: Supported
- 124: Supported
- 125 - 127: Supported
Edge
- 12 - 18: Not supported
- 79 - 122: Supported
- 123: Supported
Safari
- 3.1 - 8: Not supported
- 9 - 17.3: Supported
- 17.4: Supported
- 17.5 - TP: Supported
Firefox
- 2 - 3.6: Not supported
- 4 - 50: Partial support
- 51 - 124: Supported
- 125: Supported
- 126 - 128: Supported
Opera
- 9 - 33: Not supported
- 34 - 108: Supported
- 109: Supported
IE
- 5.5 - 9: Not supported
- 10: Partial support
- 11: Partial support
Chrome for Android
- 123: Supported
Safari on iOS
- 3.2 - 8.4: Not supported
- 9 - 17.3: Supported
- 17.4: Supported
- 17.5: Supported
Samsung Internet
- 4: Not supported
- 5 - 23: Supported
- 24: 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
- 123: Supported
Firefox for Android
- 124: Supported
QQ Browser
- 14.9: Supported
Baidu Browser
- 13.52: Supported
KaiOS Browser
- 2.5: Partial support
- 3: Supported
For support of styling the actual placeholder text itself, see CSS ::placeholder
- Resources:
- Firefox bug
- WebKit commit