This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The ExtendableEvent()
constructor creates a new ExtendableEvent
object.
Syntax
var myExtendableEvent = new ExtendableEvent(type, init);
Parameters
- type
- The type of the ExtendableEvent, for example
install
,activate
. - init Optional
- An options object containing any custom settings that you want to apply to the event object. Currently no possible options exist inside the spec, but this has been defined for forward compatibility across the different derived events.
Specifications
Specification | Status | Comment |
---|---|---|
Service Workers The definition of 'ExtendableEvent' 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)[1] | No support | 24 | No support |
Feature | Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|---|
Basic support | ? | 44.0 (44.0) | (Yes) | No support | ? | No support | ? |
[1] Service workers (and Push) have been disabled in the Firefox 45 & 52 Extended Support Releases (ESR.)
See also
Document Tags and Contributors
Tags:
Contributors to this page:
chrisdavidmills,
kscarfone
Last updated by:
chrisdavidmills,