FetchEvent.client

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.
Working Draft Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic support
ExperimentalDeprecatedNon-standard
Chrome Full support 42Edge ? Firefox Full support 44IE No support NoOpera Full support 24Safari No support NoWebView Android ? Chrome Android Full support 44Edge Mobile ? Firefox Android No support NoOpera Android ? Safari iOS No support NoSamsung Internet Android Full support 4.0

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.

See also

Document Tags and Contributors

Contributors to this page: fscholz, chrisdavidmills, jpmedley, Sebastianz, teoli, kscarfone
Last updated by: fscholz,