Async functions
- OTHERAsync functions make it possible to treat functions returning Promise objects as if they were synchronous.
Chrome
- 4 - 54: Not supported
- 55 - 116: Supported
- 117: Supported
- 118 - 120: Supported
Edge
- 12 - 13: Not supported
- 14: Disabled by default
- 15 - 116: Supported
- 117: Supported
Safari
- 3.1 - 10: Not supported
- 10.1: Not supported
- 11 - 16.5: Supported
- 16.6: Supported
- 17.0 - TP: Supported
Firefox
- 2 - 51: Not supported
- 52 - 116: Supported
- 117: Supported
- 118 - 120: Supported
Opera
- 9 - 41: Not supported
- 42 - 101: Supported
- 102: Supported
IE
- 5.5 - 10: Not supported
- 11: Not supported
Chrome for Android
- 117: Supported
Safari on iOS
- 3.2 - 10.2: Not supported
- 10.3: Not supported
- 11 - 16.6: Supported
- 17.0: Supported
- 17.1: Supported
Samsung Internet
- 4 - 5.4: Not supported
- 6.2 - 21: Supported
- 22: Supported
Opera Mini
- all: Not supported
Opera Mobile
- 10 - 12.1: Not supported
- 73: Supported
UC Browser for Android
- 15.5: Supported
Android Browser
- 2.1 - 4.4.4: Not supported
- 117: Supported
Firefox for Android
- 117: Supported
QQ Browser
- 13.1: Supported
Baidu Browser
- 13.18: Supported
KaiOS Browser
- 2.5: Not supported
- 3: Supported