This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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.


A DOMString object.


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

self.addEventListener('notificationclick', function(event) {
  if (event.action === 'get') {
  } else {
}, false);


Specification Status Comment
Notifications API
The definition of 'action' in that specification.
Living Standard Living standard.

Browser Compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic support
Chrome Full support 48Edge Full support YesFirefox Full support 44
Full support 44
Notes Service workers (and Push) have been disabled in the Firefox 45 and 52 Extended Support Releases (ESR).
IE ? Opera No support NoSafari ? WebView Android No support NoChrome Android Full support 48Edge Mobile ? Firefox Android Full support 44Opera Android No support NoSafari iOS ? Samsung Internet Android Full support 5.0


Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
See implementation notes.
See implementation notes.

Document Tags and Contributors

Last updated by: mdnwebdocs-bot,