The Promise.reject(reason) method returns a Promise object that is rejected with the given reason.

Syntax

Promise.reject(reason);

Parameters

reason
Reason why this Promise rejected.

Return value

A Promise that is rejected with the given reason.

Description

The static Promise.reject function returns a Promise that is rejected. For debugging purposes and selective error catching, it is useful to make reason an instanceof Error.

Examples

Using the static Promise.reject() method

Promise.reject(new Error("fail")).then(function(error) {
  // not called
}, function(error) {
  console.log(error); // Stacktrace
});

Specifications

Specification Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'Promise.reject' in that specification.
Standard Initial definition in an ECMA standard.
ECMAScript 2017 Draft (ECMA-262)
The definition of 'Promise.reject' in that specification.
Draft  

Browser compatibility

Feature Chrome Edge Firefox Internet Explorer Opera Safari Servo
Basic Support32.0(Yes)29.0No support197.1No support
Feature Android Chrome for Android Edge Mobile Firefox for Android IE Mobile Opera Mobile Safari Mobile
Basic Support4.4.432.0(Yes)29No support(Yes)8.0

See also

Document Tags and Contributors

 Last updated by: fscholz,