The onoffline property of the WorkerGlobalScope interface represents an EventHandler to be called when the offline event occurs and bubbles through the Worker.
self.onoffline = function() { ... }; The following code snippet shows an onoffline handler set inside a worker:
self.onoffline = function() {
console.log('Your worker is now offline');
} | Specification | Status | Comment |
|---|---|---|
| HTML Living Standard The definition of 'WorkerGlobalScope.onoffline' in that specification. | Living Standard |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 4 | ? | 29 | ? | ? | ? |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | Yes | 40 | ? | 29 | ? | ? | 4.0 |
The WorkerGlobalScope interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/onoffline