JavaScript classes: Public class fields
IE
- 6 - 10: Not supported
- 11: Not supported
Edge
- 12 - 18: Not supported
- 79 - 87: Supported
- 88: Supported
Firefox
- 2 - 68: Not supported
- 69 - 84: Supported
- 85: Supported
- 86 - 87: Supported
Chrome
- 4 - 71: Not supported
- 72 - 88: Supported
- 89: Supported
- 90 - 92: Supported
Safari
- 3.1 - 13.1: Not supported
- 14: Partial support
- TP: Partial support
Opera
- 10 - 58: Not supported
- 60 - 72: Supported
- 73: Supported
iOS Safari
- 3.2 - 13.7: Not supported
- 14: Partial support
Opera Mini
- all: Support unknown
Android Browser
- 2.1 - 4.4.4: Not supported
- 81: Supported
Opera Mobile
- 12 - 12.1: Not supported
- 59: Supported
Chrome for Android
- 88: Supported
Firefox for Android
- 85: Supported
UC Browser for Android
- 12.12: Support unknown
Samsung Internet
- 4 - 12.0: Not supported
- 13.0: Not supported
QQ Browser
- 10.4: Support unknown
Baidu Browser
- 7.12: Support unknown
KaiOS Browser
- 2.5: Support unknown