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 maxActions attribute of the Notification interface returns the maximum number of actions supported by the device and the User Agent. Effectively, this is the maximum number of elements in Notification.actions array which will be respected by the User Agent.




An integer Number which indicates the largest number of notification actions that can be presented to the user by the User Agent and the device.


The following snippet logs the maximum number of supported actions.

const maxActions = Notification.maxActions;
console.log('This device can display at most ' + maxActions + ' actions on each notification.');


Specification Status Comment
Notifications API Living Standard Living standard

Browser compatibility

ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
maxActionsChrome Full support YesEdge Full support 18Firefox No support NoIE No support NoOpera Full support YesSafari ? WebView Android No support NoChrome Android Full support YesFirefox Android No support NoOpera Android Full support YesSafari iOS No support NoSamsung Internet Android Full support Yes


Full support
Full support
No support
No support
Compatibility unknown
Compatibility unknown

See also