Notification.data

Note: This feature is available in Web Workers

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The data read-only property of the Notification interface returns a structured clone of the notification's data, as specified in the data option of the Notification() constructor.

The notification's data can be any arbitrary data that you want associated with the notification.

Syntax

var data = Notification.data;

Value

A structured clone.

Examples

The following snippet fires a notification; a simple options object is created, then the notification is fired using the Notification() constructor.

var options = {
  body: 'Do you like my body?',
  data: 'I like peas.'
}

var n = new Notification('Test notification',options);

console.log(n.data) // should return 'I like peas.'

Specifications

Specification
Notifications API Standard (Notifications API) # dom-notification-data

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`data`	44	16	34	No	31	No	No	44	34	32	No	4.0