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Summary
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 |
|---|---|---|
| WHATWG HTML Living Standard The definition of 'WorkerGlobalScope.onoffline' in that specification. |
Living Standard | No change from Web Workers. |
| Web Workers The definition of 'WorkerGlobalScope.onoffline' in that specification. |
Candidate Recommendation | Initial definition. |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | 4 | 29 (29) | (Yes) | (Yes) | (Yes) |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | ? | 40 | 29.0 (29) | 1.4 | ? | ? | ? |
See also
The WorkerGlobalScope interface it belongs to.