Your Search Results

    Promise.reject()

    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.

    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("Testing static reject").then(function(reason) {
  // not called
}, function(reason) {
  console.log(reason); // "Testing static reject"
});

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 Firefox (Gecko) Internet Explorer Opera Safari
    Basic support 32.0 29.0 (29.0) No support 19 7.1
    Feature Android Android Webview Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Chrome for Android
    Basic support No support 32.0 29.0 (29.0) No support No support 8 32.0

    See also

    Document Tags and Contributors

    Tags: 
     Contributors to this page: fscholz, jpmedley, madarche, Jib, realityking, SphinxKnight
     Last updated by: fscholz,