web api instance property
FetchEvent: clientId property
Available in workers
The clientId read-only property of the
FetchEvent interface returns the id of the Client that the
current service worker is controlling.
The get() method could then be passed this ID to retrieve the
associated client.
Value
A string that represents the client ID.
Examples
self.addEventListener("fetch", (event) => {
console.log(event.clientId);
});
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.