BackgroundFetchUpdateUIEvent: BackgroundFetchUpdateUIEvent() constructor

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Note: This feature is only available in Service Workers.

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.

Syntax

js
new BackgroundFetchEvent(type, options)

Parameters

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.

Return value

Specifications

Specification
Background Fetch
# dom-backgroundfetchupdateuievent-backgroundfetchupdateuievent

Browser compatibility

BCD tables only load in the browser