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NotificationEvent: action property

Returns the string ID of the notification button the user clicked. This value returns an empty string if the user clicked the notification somewhere other than an action button, or the notification does not have a button. The notification id is set during the creation of the Notification via the actions array attribute and can't be modified unless the notification is replaced.

Value

A string.

Examples

js

self.registration.showNotification("New articles available", {
  actions: [{ action: "get", title: "Get now." }],
});

self.addEventListener(
  "notificationclick",
  (event) => {
    event.notification.close();
    if (event.action === "get") {
      synchronizeReader();
    } else {
      clients.openWindow("/reader");
    }
  },
  false,
);

Specifications

Specification
Notifications API Standard
# dom-notification-actions

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
action 48 17 44 No No No No 48 44 No No 5.0

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