The ExtendableEvent()
constructor creates a new ExtendableEvent
object.
The ExtendableEvent()
constructor creates a new ExtendableEvent
object.
js
new ExtendableEvent(type) new ExtendableEvent(type, options)
type
A string with the name of the event. It is case-sensitive.
options
Optional
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.
A new ExtendableEvent
object.
Specification |
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Service Workers # dom-extendableevent-extendableevent |
Desktop | Mobile | |||||||||||
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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 |
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https://developer.mozilla.org/en-US/docs/Web/API/ExtendableEvent/ExtendableEvent