The ExtendableEvent() constructor creates a new ExtendableEvent object.
The ExtendableEvent() constructor creates a new ExtendableEvent object.
js
new ExtendableEvent(type) new ExtendableEvent(type, options)
typeA 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