The onerror property of the Notification interface specifies an event listener to receive error events. These events occur when something goes wrong with a Notification (in many cases an error preventing the notification from being displayed.)
Notification.onerror = EventListener;
A function which serves as the event handler for the error event. When an error occurs, the specified function will be called. If null, no error handler is in effect.
| Specification | Status | Comment |
|---|---|---|
| Notifications API The definition of 'onerror' in that specification. | Living Standard | Initial specification. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | Yes | ? | No | No | ? | ? |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | No | Yes | ? | No | ? | No | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/Notification/onerror