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ServiceWorkerContainer.getRegistrations()

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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The getRegistrations() method of the ServiceWorkerContainer interface returns all ServiceWorkerRegistrations associated with a ServiceWorkerContainer in an array.  If the method can't return ServiceWorkerRegistrations, it returns a Promise

Syntax

ServiceWorkerContainer.getRegistrations().then(function(ServiceWorkerRegistrations) { ... });

Parameters

None.

Returns

A Promise that resolves to an array of ServiceWorkerRegistration objects.

Example

navigator.serviceWorker.getRegistrations().then(function(registrations) {
  document.querySelector('#status').textContent = 'ServiceWorkerRegistrations found.';
});

Specifications

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

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 45 44 (44)[1] No support ? No support
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 45 ? ? No support ? No support 45

[1] Service workers (and Push) have been disabled in the Firefox 45 Extended Support Release (ESR.)

Document Tags and Contributors

 Contributors to this page: chrisdavidmills, Speculative, jpmedley, kscarfone
 Last updated by: chrisdavidmills,