The ExtendableEvent()
constructor creates a new ExtendableEvent
object.
Syntax
var extendableEvent = 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. |
Working Draft | Initial definition. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
ExtendableEvent() constructor | Chrome Full support 40 | Edge Full support 17 | Firefox
Full support
44
| IE No support No | Opera Full support 24 | Safari No support No | WebView Android Full support 40 | Chrome Android Full support 40 | Firefox Android Full support 44 | Opera Android Full support 24 | Safari iOS No support No | Samsung Internet Android Full support 4.0 |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- See implementation notes.