Web/API/WorkerGlobalScope/ononline

The ononline property of the WorkerGlobalScope interface represents an EventHandler to be called when the online event occurs and bubbles through the Worker.

Syntax

self.ononline = function() { ... };

Example

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

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

Specifications

Specification	Status	Comment
HTML Living StandardThe definition of 'WorkerGlobalScope.ononline' in that specification.	Living Standard

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
ononline	Chrome Full support 4	Edge Full support ≤79	Firefox Full support 29	IE No support No	Opera ?	Safari ?	WebView Android Full support Yes	Chrome Android Full support 40	Firefox Android Full support 29	Opera Android ?	Safari iOS ?	Samsung Internet Android Full support 4.0

Legend

Full support  

Full support

No support  

No support

Compatibility unknown  

Compatibility unknown

See also

The WorkerGlobalScope interface it belongs to.

WorkerGlobalScope.ononline by Mozilla Contributors is licensed under CC-BY-SA 2.5.