ServiceWorkerContainer.getRegistration()

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

serviceWorkerContainer.getRegistration(clientURL).then(function(serviceWorkerRegistration) { /* ... */ });

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.

Example

navigator.serviceWorker.getRegistration('/app').then(function(registration) {
  if(registration){
    document.querySelector('#status').textContent = 'ServiceWorkerRegistration found.';
  }
});

Specifications

Specification
Service Workers 1 # navigator-service-worker-getRegistration

Browser compatibility

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