The onshow property of the Notification interface specifies an event listener to receive show events. These events occur when a Notification is displayed.
Notification.onshow = function() { ... };
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | Yes | ? | Yes | No | ? | ? |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | No | Yes | ? | Yes | ? | No | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/Notification/onshow