ServiceWorkerContainer: getRegistration() method
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
.
Syntax
js
getRegistration()
getRegistration(clientURL)
Parameters
clientURL
Optional-
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
.
Examples
js
navigator.serviceWorker.getRegistration("/app").then((registration) => {
if (registration) {
document.querySelector("#status").textContent =
"ServiceWorkerRegistration found.";
}
});
Specifications
Specification |
---|
Service Workers # navigator-service-worker-getRegistration |
Browser compatibility
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