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
new BackgroundFetchEvent(type, options)
Parameters
type-
A string with the name of the event. It is case-sensitive and browsers set it to
backgroundfetchsuccessorbackgroundfetchfail. options-
An object that, in addition of the properties defined in
ExtendableEvent(), has the following properties:registration-
A
BackgroundFetchRegistrationobject.
Return value
A new BackgroundFetchUpdateUIEvent object.
Specifications
| Specification |
|---|
| Background Fetch # dom-backgroundfetchupdateuievent-backgroundfetchupdateuievent |
Browser compatibility
BCD tables only load in the browser