The getRegistration()
method of the
ServiceWorkerContainer
interface gets a
ServiceWorkerRegistration
object whose scope URL matches the provided
document URL. The method returns a Promise
that resolves to
a ServiceWorkerRegistration
or undefined
.
Syntax
serviceWorkerContainer.getRegistration(scope).then(function(serviceWorkerRegistration) { ... });
Parameters
scope
Optional- A unique identifier for a service worker registration — the scope URL of the registration object you want to return. This is usually a relative URL.
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
Specification | Status | Comment |
---|---|---|
Service Workers The definition of 'ServiceWorkerContainer: getRegistration' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
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