NotificationEvent: NotificationEvent() constructor

The NotificationEvent() constructor creates a new NotificationEvent object.

Syntax

new NotificationEvent(type, options)

A string with the name of the event. It is case-sensitive and browsers set it to notificationclick or notificationclose.

An object that, in addition of the properties defined in ExtendableEvent(), can have the following properties:

notification: A Notification object to be used as the notification the event is dispatched on.
action Optional: An action associated with the notification. It defaults to "".

const n = new Notification("Hello");
const myNotificationEvent = new NotificationEvent(type, { notification: n });

Specification
Notifications API Standard # dom-notificationevent-notificationevent

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`NotificationEvent`	42	17	44	No	37	16 Supported on macOS 13 and later	No	42	44	37	16.4	4.0

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https://developer.mozilla.org/en-US/docs/Web/API/NotificationEvent/NotificationEvent