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Promise.reject()

The Promise.reject() method returns a Promise object that is rejected with a 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() {
  // not called
}, function(error) {
  console.error(error); // Stacktrace
});

Specifications

Browser compatibility

Desktop Mobile Server
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet Deno Node.js
reject
32
12
29
No
19
8
4.4.3
32
29
19
8
2.0
1.0
0.12.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/reject