Notification.data and ServiceWorkerRegistration.getNotifications()

Category: Service Worker
Type: New or changed feature
Status: Enabled by default (Chrome 44)
Intent stage: None

Summary

Support for the Notification.data attribute, which allows authors to attach some (immutable) data to a persistent Web Notification they are displaying. Support for the static ServiceWorkerRegistration.getNotifications() method for getting all existing persistent notifications created by the current origin.

Standards & signals

Specification: https://notifications.spec.whatwg.org/
Firefox: Shipped/Shipping
Safari: No signal
Web developers: Positive
Tracking bug: https://code.google.com/p/chromium/issues/detail?id=442143

Docs: https://developer.mozilla.org/en-US/docs/Web/API/notification/data https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorkerRegistration/getNotifications

Samples: https://github.com/GoogleChrome/samples/tree/gh-pages/push-messaging-and-notifications

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