The getRegistration() method of the ServiceWorkerContainer interface gets a ServiceWorkerRegistration object whose scope URL matches the provided client URL. The method returns a Promise that resolves to a ServiceWorkerRegistration or undefined.
ServiceWorkerContainer.getRegistration()
Syntax
serviceWorkerContainer.getRegistration(clientURL).then(function(serviceWorkerRegistration) { /* ... */ });
Parameters
-
clientURLOptional -
The registration whose scope matches this URL will be returned. Relative URLs are resolved with the current client as the base. If this parameter is not provided, the current client's URL will be used by default.
Return value
A Promise that resolves to a ServiceWorkerRegistration object or undefined.
Example
navigator.serviceWorker.getRegistration('/app').then(function(registration) { if(registration){ document.querySelector('#status').textContent = 'ServiceWorkerRegistration 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 | |
getRegistration |
40
|
17
|
44
Extended Support Releases (ESR) before Firefox 78 ESR do not support service workers and the Push API.
|
No
|
27
|
11.1
|
40
|
40
|
44
|
27
|
11.3
|
4.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerContainer/getRegistration
