ServiceWorkerContainer: getRegistrations() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.

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

Note: This feature is available in Web Workers.

The getRegistrations() method of the ServiceWorkerContainer interface gets all ServiceWorkerRegistrations associated with a ServiceWorkerContainer, in an array. The method returns a Promise that resolves to an array of ServiceWorkerRegistration.

Syntax

js
getRegistrations()

Parameters

None.

Return value

A Promise that resolves to an array of ServiceWorkerRegistration objects.

Examples

js
navigator.serviceWorker.getRegistrations().then((registrations) => {
  document.querySelector("#status").textContent =
    "ServiceWorkerRegistrations found.";
});

Specifications

Specification
Service Workers Nightly
# navigator-service-worker-getRegistrations

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
getRegistrations
Chrome – Full support
Chrome 45 (Release date: 2015-09-01)
footnote Full support
Edge – Full support
Edge 17 (Release date: 2018-04-30)
footnote Full support
Firefox – Full support
Firefox 44 (Release date: 2016-01-26)
footnote Full support
Opera – Full support
Opera 27 (Release date: 2015-01-27)
footnote Full support
Safari – Full support
Safari 11.1 (Release date: 2018-04-12)
footnote Full support
Chrome Android – Full support
Chrome Android 45 (Release date: 2015-09-01)
footnote Full support
Firefox for Android – Full support
Firefox for Android 44 (Release date: 2016-01-26)
footnote Full support
Opera Android – Full support
Opera Android 27 (Release date: 2015-01-29)
footnote Full support
Safari on iOS – Full support
Safari on iOS 11.3 (Release date: 2018-03-29)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 40 (Release date: 2015-01-21)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote No support

Legend

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

Full support
Full support
No support
No support