EventSource API: Available in workers
IE
- 6 - 10: Not supported
- 11: Not supported
Edge
- 12 - 18: Not supported
- 79 - 89: Supported
- 90: Supported
Firefox
- 2 - 52: Not supported
- 53 - 86: Supported
- 87: Supported
- 88 - 89: Supported
Chrome
- 4 - 89: Support unknown
- 90: Supported
- 91 - 93: Supported
Safari
- 3.1 - 13.1: Support unknown
- 14: Supported
- TP: Supported
Opera
- 10 - 74: Support unknown
- 75: Supported
Safari on iOS
- 3.2 - 13.7: Support unknown
- 14: Supported
Opera Mini
- all: Support unknown
Android Browser
- 2.1 - 4.4.4: Support unknown
- 90: Supported
Opera Mobile
- 12 - 12.1: Support unknown
- 62: Supported
Chrome for Android
- 90: Supported
Firefox for Android
- 87: Supported
UC Browser for Android
- 12.12: Support unknown
Samsung Internet
- 4 - 12.0: Support unknown
- 13.0: Supported
QQ Browser
- 10.4: Support unknown
Baidu Browser
- 7.12: Support unknown
KaiOS Browser
- 2.5: Support unknown