ServiceWorkerGlobalScope.skipWaiting()

The ServiceWorkerGlobalScope.skipWaiting() method of the ServiceWorkerGlobalScope forces the waiting service worker to become the active service worker.

Use this method with Clients.claim() to ensure that updates to the underlying service worker take effect immediately for both the current client and all other active clients.

Syntax

ServiceWorkerGlobalScope.skipWaiting().then(function() {
  //Do something
});

Returns

A Promise that immediately resolves with undefined.

Example

While self.skipWaiting() can be called at any point during the service worker's execution, it will only have an effect if there's a newly installed service worker that might otherwise remain in the waiting state. Therefore, it's common to call self.skipWaiting() from inside of an InstallEvent handler.

The following example causes a newly installed service worker to progress into the activating state, regardless of whether there is already an active service worker.

self.addEventListener('install', function(event) {
  // The promise that skipWaiting() returns can be safely ignored.
  self.skipWaiting();

  // Perform any other actions required for your
  // service worker to install, potentially inside
  // of event.waitUntil();
});

Specifications

Specification Status Comment
Service Workers
The definition of 'skipWaiting()' in that specification.
Working Draft Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
skipWaiting
Experimental
Chrome Full support 40Edge Full support ≤79Firefox Full support 44
Notes
Full support 44
Notes
Notes Extended Support Releases (ESR) before Firefox 78 ESR do not support service workers and the Push API.
IE No support NoOpera Full support 24Safari No support NoWebView Android Full support 40Chrome Android Full support 40Firefox Android Full support 44Opera Android Full support 24Safari iOS No support NoSamsung Internet Android Full support 4.0

Legend

Full support  
Full support
No support  
No support
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
See implementation notes.
See implementation notes.

See also