::placeholder
Widely available since 2022-07-15
The ::placeholder CSS pseudo-element selects help text in <input> and <textarea> elements when no value is set.
Learning resources on MDN
Browser support (view on caniuse.com)
- Chrome 57 Released on 2017-03-09
- Chrome Android 57 Released on 2017-03-16
- Edge 79 Released on 2020-01-15
- Firefox 51 Released on 2017-01-24
- Firefox for Android 51 Released on 2017-01-24
- Safari 10.1 Released on 2017-03-27
- Safari on iOS 10.3 Released on 2017-03-27