TextMetrics API: emHeightAscent
IE
- 6 - 10: Not supported
- 11: Not supported
Edge
- 12 - 18: Not supported
- 79 - 122: Disabled by default
- 123: Disabled by default
Firefox
- 2 - 117: Not supported
- 118 - 123: Supported
- 124: Supported
- 125 - 127: Supported
Chrome
- 4 - 76: Not supported
- 77 - 122: Disabled by default
- 123: Disabled by default
- 124 - 126: Disabled by default
Safari
- 3.1 - 11: Not supported
- 11.1 - 17.3: Supported
- 17.4: Supported
- TP: Supported
Opera
- 10 - 63: Not supported
- 64 - 107: Disabled by default
- 108: Disabled by default
Safari on iOS
- 3.2 - 11.2: Not supported
- 11.3 - 17.3: Supported
- 17.4: Supported
Opera Mini
- all: Support unknown
Android Browser
- 2.1 - 4.4.4: Not supported
- 122: Not supported
Opera Mobile
- 12 - 12.1: Not supported
- 80: Not supported
Chrome for Android
- 122: Disabled by default
Firefox for Android
- 123: Supported
UC Browser for Android
- 15.5: Support unknown
Samsung Internet
- 4 - 22: Not supported
- 23: Not supported
QQ Browser
- 14.9: Support unknown
Baidu Browser
- 13.52: Support unknown
KaiOS Browser
- 2.5: Support unknown
- 3: Support unknown