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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.
The PromiseRejection() constructor creates a new PromiseRejection object.
Syntax
var myPromi​seRejection = new PromiseRejection(type, init);
Parameters
- type
- The type of the Event.
- init Optional
- An options object containing any custom settings that you want to apply to the event object. Options are as follows:
- promise: A reference to a promise object.
- reason: Optional 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 |
|---|---|
| Basic support | 49.0 |
| Feature | Chrome for Android |
|---|---|
| Basic support | 49.0 |