Navigator.serviceWorker

The Navigator.serviceWorker read-only property 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.

Syntax

const workerContainerInstance = navigator.serviceWorker;

Value

Examples

This code checks if the browser supports service workers.

if ('serviceWorker' in navigator) {
  // Supported!
}

Specifications

Specification Status Comment
Service Workers
The definition of 'navigator.serviceWorker' in that specification.
Working Draft Initial definition.

Browser compatibility

BCD tables only load in the browser

See also