WorkerNavigator: serviceWorker property

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

Note: This feature is only available in Web Workers.

The serviceWorker read-only property of the WorkerNavigator interface returns the ServiceWorkerContainer object for the associated document, which provides access to registration, removal, upgrade, and communication with the ServiceWorker.

The feature may not be available in private mode.

Value

Examples

This code checks if the browser supports using service worker in workers.

js
if ("serviceWorker" in navigator) {
  // Supported!
}

Specifications

Specification
Service Workers
# navigator-serviceworker

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
serviceWorker

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
See implementation notes.

See also