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Notification: data property - Web APIs

Notification: data property

Limited availability

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

Note: This feature is available in Web Workers.

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.

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.

const options = {
  body: "Your code submission has received 3 new review comments.",
  data: {
    url: "https://example.com/review/12345",
    status: "open",
  },
};

const n = new Notification("New review activity", options);

console.log(n.data); // Logs the data object
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