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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
PromiseRejection
object.
Properties
Inherits properties from its ancestor, Event
.
PromiseRejection.promise
Read only- Returns the
promise
identifier that this notification is about. PromiseRejection.reason
Read only- Returns the reason the
promise
was 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 |