::placeholder CSS pseudo-element
- WDThe ::placeholder pseudo-element represents placeholder text in an input field: text that represents the input and provides a hint to the user on how to fill out the form. For example, a date-input field might have the placeholder text YYYY-MM-DD to clarify that numeric dates are to be entered in year-month-day order.
IE
- 5.5 - 10: Not supported
- 11: Not supported
Edge
- 12 - 18: Partial support
- 79 - 100: Supported
- 101: Supported
Firefox
- 2 - 18: Not supported
- 19 - 50: Supported
- 51 - 99: Supported
- 100: Supported
- 101 - 102: Supported
Chrome
- 4 - 56: Partial support
- 57 - 100: Supported
- 101: Supported
- 102 - 104: Supported
Safari
- 3.1 - 4: Not supported
- 5 - 10: Partial support
- 10.1 - 15.3: Supported
- 15.4: Supported
- TP: Supported
Opera
- 9 - 12.1: Not supported
- 15 - 43: Partial support
- 44 - 85: Supported
- 86: Supported
- 87: Supported
Safari on iOS
- 3.2 - 4.1: Not supported
- 4.2 - 10.2: Partial support
- 10.3 - 15.3: Supported
- 15.4: Supported
Opera Mini
- all: Not supported
Android Browser
- 2.1 - 4.4.4: Partial support
- 101: Supported
Opera Mobile
- 10 - 12.1: Not supported
- 64: Supported
Chrome for Android
- 101: Supported
Firefox for Android
- 100: Supported
UC Browser for Android
- 12.12: Supported
Samsung Internet
- 4 - 6.4: Partial support
- 7.2 - 15.0: Supported
- 16.0: Supported
QQ Browser
- 10.4: Supported
Baidu Browser
- 7.12: Supported
KaiOS Browser
- 2.5: Supported
Partial support refers to using alternate names:
::-webkit-input-placeholder for Chrome/Safari/Opera (Chrome issue #623345)
::-ms-input-placeholder for Edge (also supports webkit prefix)