FetchEvent.resultingClientId

The resultingClientId read-only property of the FetchEvent interface is the id of the client that replaces the previous client during a page navigation.

For example, when navigating from page A to page B resultingClientId is the ID of the client associated with page B.

If the fetch request is a subresource request or the request's destination is report, resultingClientId will be an empty string.

var myResultingClientId = fetchEvent.resultingClientId;

A DOMString.

self.addEventListener('fetch', function(event) {
  console.log(event.resultingClientId);
});

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