Online/offline status
- LSEvents to indicate when the user's connected (online
and offline
events) and the navigator.onLine
property to see current status.
Chrome
- 4 - 13: Not supported
- 14 - 123: Supported
- 124: Supported
- 125 - 127: Supported
Edge
- 12 - 123: Supported
- 124: Supported
Safari
- 3.1 - 4: Not supported
- 5 - 6.1: Supported
- 7: Supported
- 7.1 - 17.3: Supported
- 17.4: Supported
- 17.5 - TP: Supported
Firefox
- 2 - 3: Not supported
- 3.5 - 3.6: Supported
- 4 - 40: Partial support
- 41 - 124: Supported
- 125: Supported
- 126 - 128: Supported
Opera
- 9 - 12: Not supported
- 12.1: Partial support
- 15 - 108: Supported
- 109: Supported
IE
- 5.5 - 7: Not supported
- 8: Partial support
- 9 - 10: Supported
- 11: Supported
Chrome for Android
- 124: Supported
Safari on iOS
- 3.2 - 4.1: Support unknown
- 4.2 - 6.1: Supported
- 7: Supported
- 8 - 17.3: Supported
- 17.4: Supported
- 17.5: Supported
Samsung Internet
- 4 - 23: Supported
- 24: Supported
Opera Mini
- all: Not supported
Opera Mobile
- 10 - 12.1: Not supported
- 80: Supported
UC Browser for Android
- 15.5: Supported
Android Browser
- 2.1 - 2.2: Support unknown
- 2.3 - 4.4.4: Supported
- 124: Supported
Firefox for Android
- 125: Supported
QQ Browser
- 14.9: Supported
Baidu Browser
- 13.52: Supported
KaiOS Browser
- 2.5: Supported
- 3: Supported
"online" does not always mean connection to the internet, it can also just mean connection to some network.
Early versions of Chrome and Safari always reported "true" for navigator.onLine
- Resources:
- MDN Web Docs - NavigatorOnLine.onLine