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.
ServiceWorkerContainer.getRegistrations()
Syntax
serviceWorkerContainer.getRegistrations().then(function(serviceWorkerRegistrations) { /* ... */ });
Parameters
None.
Return value
A Promise that resolves to an array of ServiceWorkerRegistration objects.
Example
navigator.serviceWorker.getRegistrations().then(function(registrations) { document.querySelector('#status').textContent = 'ServiceWorkerRegistrations found.'; });
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
getRegistrations |
45
|
17
|
44
Extended Support Releases (ESR) before Firefox 78 ESR do not support service workers and the Push API.
|
No
|
27
|
11.1
|
40
|
45
|
44
|
27
|
11.3
|
4.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/getRegistrations
