This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The FetchEvent()
constructor creates a new FetchEvent
object.
var myFetchEvent = new FetchEvent(type, init);
request
: The Request
object that would have triggered the event handler.clientId
: The Client
that the current service worker is controlling. This property is not yet implemented in Chrome.isReload
: A Boolean
that signifies whether the page was reloaded or not when the event was dispatched. true
if yes, and false
if not. Typically, pressing the refresh button in a browser is a reload, while clicking a link and pressing the back button is not. If not present, it defaults to false
.Specification | Status | Comment |
---|---|---|
Service Workers The definition of 'FetchEvent' in that specification. | Editor's Draft | Initial definition. |
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
Basic support | 49.0 | 44.0 (44.0)[1] | 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 | 49.0 | 44.0 (44.0) | (Yes) | No support | ? | No support | 49.0 |
[1] Service workers (and Push) have been disabled in the Firefox 45 and 52 Extended Support Releases (ESR.)
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/FetchEvent/FetchEvent