Form attribute
- LSAttribute for associating input and submit buttons with a form.
IE
- 5.5 - 10: Not supported
- 11: Not supported
Edge
- 12 - 15: Not supported
- 16 - 86: Supported
- 87: Supported
Firefox
- 2 - 3.6: Not supported
- 4 - 83: Supported
- 84: Supported
- 85 - 86: Supported
Chrome
- 4 - 9: Not supported
- 10 - 86: Supported
- 87: Supported
- 88 - 90: Supported
Safari
- 3.1 - 4: Not supported
- 5: Support unknown
- 5.1 - 13.1: Supported
- 14: Supported
- TP: Supported
Opera
- 9: Not supported
- 9.5 - 71: Supported
- 72: Supported
iOS Safari
- 3.2 - 4.3: Not supported
- 5 - 13.7: Supported
- 14: Supported
Opera Mini
- all: Supported
Android Browser
- 2.1 - 2.3: Not supported
- 3 - 4.4.4: Supported
- 81: Supported
Opera Mobile
- 10 - 12.1: Supported
- 59: Supported
Chrome for Android
- 87: Supported
Firefox for Android
- 83: Supported
UC Browser for Android
- 12.12: Supported
Samsung Internet
- 4 - 12.0: Supported
- 13.0: Supported
QQ Browser
- 10.4: Supported
Baidu Browser
- 7.12: Supported
KaiOS Browser
- 2.5: Supported