The onoffline property of the WorkerGlobalScope interface represents an EventHandler to be called when the offline event occurs and bubbles through the Worker.
Syntax
self.onoffline = function() { ... };
Example
The following code snippet shows an onoffline handler set inside a worker:
self.onoffline = function() {
console.log('Your worker is now offline');
}
Specifications
| Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'WorkerGlobalScope.onoffline' in that specification. |
Living Standard |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
onoffline | Chrome Full support 4 | Edge Full support ≤79 | Firefox Full support 29 | IE No support No | Opera ? | Safari ? | WebView Android Full support Yes | Chrome Android Full support 40 | Firefox Android Full support 29 | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support 4.0 |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
See also
The WorkerGlobalScope interface it belongs to.