FetchEvent: resultingClientId property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2022.
Note: This feature is only available inService Workers.
TheresultingClientId read-only property of theFetchEvent interface is theid of theclient that replaces the previous client during a pagenavigation.
For example, when navigating from page A to page BresultingClientId isthe ID of the client associated with page B.
If the fetch request is a subresource request or the request'sdestination isreport,resultingClientId will be an empty string.
Value
A string.
Examples
js
self.addEventListener("fetch", (event) => { console.log(event.resultingClientId);});Specifications
| Specification |
|---|
| Service Workers Nightly # fetch-event-resultingclientid |