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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.
Constructor
PromiseRejection.PromiseRejection()- Creates a new
PromiseRejectionobject.
Properties
Inherits properties from its ancestor, Event.
PromiseRejection.promiseRead only- Returns the
promiseidentifier that this notification is about. PromiseRejection.reasonRead only- Returns the reason the
promisewas rejected.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Unhandled Rejection Tracking Browser Events The definition of 'PromiseRejectionEvent' in that specification. |
Editor's Draft | Initial definition. |
Browser compatibility
| 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 |