Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The BackgroundFetchUpdateUIEvent() constructor creates a new BackgroundFetchUpdateUIEvent object. This constructor is not typically used as the browser creates these objects itself and provides them to background fetch event callbacks.
js
new BackgroundFetchEvent(type, options)
type
A string with the name of the event. It is case-sensitive and browsers set it to backgroundfetchsuccess or backgroundfetchfail.
options
An object that, in addition of the properties defined in ExtendableEvent(), has the following properties:
registration
A BackgroundFetchRegistration object.
A new BackgroundFetchUpdateUIEvent object.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
BackgroundFetchUpdateUIEvent |
74 | 79 | No | No | 62 | No | No | 74 | No | 53 | No | 11.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/BackgroundFetchUpdateUIEvent/BackgroundFetchUpdateUIEvent