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.
var myClient = FetchEvent.client;
A Client object.
self.addEventListener('fetch', function(event) {
console.log(event.client);
}); | Specification | Status | Comment |
|---|---|---|
| Service Workers The definition of 'FetchEvent' in that specification. | Working Draft | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 42 | ? | 44 | No | 24 | No |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | ? | 44 | ? | No | ? | No | 4.0 |
Promise
© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/FetchEvent/client