FetchEvent: clientId property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.
Note: This feature is only available inService Workers.
TheclientId read-only property of theFetchEvent interface returns the id of theClient that thecurrent service worker is controlling.
TheClients.get() method could then be passed this ID to retrieve theassociated client.
Value
A string that represents the client ID.
Examples
js
self.addEventListener("fetch", (event) => { console.log(event.clientId);});Specifications
| Specification |
|---|
| Service Workers Nightly # fetch-event-clientid |