This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Deprecated
This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Avoid using it and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
The FetchEvent.client
read-only property returns the Client
that the current service worker is controlling.
Note: This feature has been deprecated, with its functionality replaced by FetchEvent.clientId
and Clients.get()
. See this Github issue for discussion/background.
Syntax
var myClient = FetchEvent.client;
Value
A Client
object.
Example
self.addEventListener('fetch', function(event) { console.log(event.client); });
Specifications
Specification | Status | Comment |
---|---|---|
Service Workers The definition of 'FetchEvent' in that specification. |
Editor's Draft | Initial definition. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 40.0 | 44.0 (44.0) | No support | 24 | No support |
Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|---|---|
Basic support | No support | ? | 44.0 (44.0) | (Yes) | No support | ? | No support | 44.0 |