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.
Returns the ServiceWorker serialized script URL defined as part of ServiceWorkerRegistration. Must be on the same origin as the document that registers the ServiceWorker.
A string.
const sw = navigator.serviceWorker.controller;
console.log(sw.scriptURL);
// https://example.com/scripts/service-worker.js