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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

getRegistrations()

Parameters

None.

Return value

A Promise that resolves to an array of ServiceWorkerRegistration objects.

Examples

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

Specifications

Specification
Service Workers> # 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`	45	17	44	27	11.1	45	44	27	11.3	4.0	40	No

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https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/getRegistrations