This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
This object provides information about a Promise that has been rejected.
PromiseRejection.PromiseRejection()PromiseRejection object.Inherits properties from its ancestor, Event.
PromiseRejection.promise Read only
promise identifier that this notification is about.PromiseRejection.reason Read only
promise was rejected.| Specification | Status | Comment |
|---|---|---|
| Unknown The definition of 'PromiseRejectionEvent' in that specification. | Editor's Draft | Initial definition. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 49.0 | No support | No support | 24 | No support |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | No support | 49.0 | No support | No support | No support | ? | No support | 49.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/PromiseRejection