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ServiceWorkerContainer: getRegistration() method - Web APIs | MDN
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ServiceWorkerContainer: getRegistration() 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 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
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.
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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