WorkerGlobalScope: offline event - Web APIs | MDN

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

js

addEventListener("offline", (event) => { })

onoffline = (event) => { }

Event type

A generic Event.

Example

The following code snippet shows an onoffline handler set inside a worker:

js

self.onoffline = () => {
  console.log("Your worker is now offline");
};

The same snippet, but using addEventListener():

js

self.addEventListener("offline", () => {
  console.log("Your worker is now offline");
});

Specifications

Specification
HTML
# handler-workerglobalscope-onoffline

Browser compatibility

See also

The WorkerGlobalScope interface it belongs to.

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