Online status
Widely Available (since 2018-01-29)
The navigator.onLine property is a boolean for whether the browser is connected to some network (though not necessarily the internet). The online and offline events fire when the connection state changes.
Browser support (view on caniuse.com)
- Chrome 2 Released on 2009-05-21
- Chrome Android 18 Released on 2012-06-27
- Edge 12 Released on 2015-07-29
- Firefox 1.5 Released on 2005-11-29
- Firefox for Android 4 Released on 2011-03-29
- Safari 4 Released on 2009-06-08
- Safari on iOS 3.2 Released on 2010-04-03
MDN documentation
Specifications
- HTML (#navigator.online), from HTML Workstream (WHATWG).
- HTML (#event-online), from HTML Workstream (WHATWG).
Web Platform Tests (WPT)
View the latest WPT test results for this featureView as JSON | Edit this feature | Report an issue | Web-features entry: source, dist