web api event

WorkerGlobalScope: online event

Available in workers

The online event of the WorkerGlobalScope fires when the device reconnects to the internet.

Syntax

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

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

ononline = (event) => { }

A generic Event.

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

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

The same snippet, but using addEventListener():

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

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibilityCompatibility data is available on the canonical MDN page.