Syntax
Use the event name in methods like addEventListener(), or set an event handler property.
js
addEventListener("updatefound", (event) => { })
onupdatefound = (event) => { }
Event type
A generic Event.
Examples
js
const registration = await navigator.serviceWorker.getRegistration();
if (registration) {
registration.addEventListener("updatefound", () => {
console.log("Service Worker update found!");
});
}
Specifications
| Specification |
|---|
| Service Workers Nightly # dom-serviceworkerregistration-onupdatefound |