The ExtendableEvent() constructor creates a new ExtendableEvent object.
ExtendableEvent: ExtendableEvent() constructor
Syntax
js
new ExtendableEvent(type)
new ExtendableEvent(type, options)
Parameters
-
type -
A string with the name of the event. It is case-sensitive.
optionsOptional-
An object that, in addition of the properties defined in
Event(), can contain any custom settings that you want to apply to the event object. Currently no possible options are mandatory, but this has been defined for forward compatibility across the different derived events.
Return value
A new ExtendableEvent object.
Specifications
| Specification |
|---|
| Service Workers # dom-extendableevent-extendableevent |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
ExtendableEvent |
41 | 17 | 44 | No | 24 | 11.1 | 41 | 41 | 44 | 24 | 11.3 | 4.0 |
See also
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https://developer.mozilla.org/en-US/docs/Web/API/ExtendableEvent/ExtendableEvent