org.scalajs.dom.experimental.serviceworkers
The Navigator.serviceWorker read-only property returns a ServiceWorkerContainer object, which provides access to registration, removal, upgrade, and communication with the ServiceWorker objects for the associated document.
The Navigator.serviceWorker read-only property returns a ServiceWorkerContainer object, which provides access to registration, removal, upgrade, and communication with the ServiceWorker objects for the associated document.
MDN