The clientId read-only property of the
FetchEvent interface returns the id of the Client that the
current service worker is controlling.
The Clients.get() method could then be passed this ID to retrieve the
associated client.
Syntax
var myClientId = fetchEvent.clientId;Value
A DOMString that represents the client ID.
Example
self.addEventListener('fetch', function(event) {
console.log(event.clientId);
});Specifications
| Specification | Status | Comment |
|---|---|---|
| Service Workers The definition of 'clientId' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
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