WorkerGlobalScope: offline event
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Note: This feature is only available inWeb Workers.
Theoffline event of theWorkerGlobalScope fires when the device loses connection to the internet.
Syntax
Use the event name in methods likeaddEventListener(), or set an event handler property.
js
addEventListener("offline", (event) => { })onoffline = (event) => { }Event type
A genericEvent.
Example
The following code snippet shows anonoffline handler set inside a worker:
js
self.onoffline = () => { console.log("Your worker is now offline");};The same snippet, but usingaddEventListener():
js
self.addEventListener("offline", () => { console.log("Your worker is now offline");});Specifications
| Specification |
|---|
| HTML # handler-workerglobalscope-onoffline |
Browser compatibility
See also
TheWorkerGlobalScope interface it belongs to.