HTMLInputElement API: required
IE
- 6 - 9: Not supported
- 10: Supported
- 11: Supported
Edge
- 12 - 126: Supported
- 127: Supported
Firefox
- 2 - 3.6: Not supported
- 4 - 127: Supported
- 128: Supported
- 129 - 131: Supported
Chrome
- 4 - 126: Supported
- 127: Supported
- 128 - 130: Supported
Safari
- 3.1 - 4: Not supported
- 5 - 17.4: Supported
- 17.5: Supported
- 17.6 - TP: Supported
Opera
- 10 - 110: Supported
- 111: Supported
Safari on iOS
- 3.2: Not supported
- 4 - 17.4: Supported
- 17.5: Supported
- 17.6 - 18.0: Supported
Opera Mini
- all: Support unknown
Android Browser
- 2.1 - 4.4.4: Support unknown
- 127: Supported
Opera Mobile
- 12 - 12.1: Supported
- 80: Supported
Chrome for Android
- 127: Supported
Firefox for Android
- 127: Supported
UC Browser for Android
- 15.5: Support unknown
Samsung Internet
- 4 - 24: Supported
- 25: Supported
QQ Browser
- 14.9: Support unknown
Baidu Browser
- 13.52: Support unknown
KaiOS Browser
- 2.5: Support unknown
- 3: Support unknown