---
title: Promise.reject()
slug: Web/JavaScript/Reference/Global_Objects/Promise/reject
tags:
  - ECMAScript6
  - Method
  - Promise
  - Referensi
translation_of: Web/JavaScript/Reference/Global_Objects/Promise/reject
---
<div>{{JSRef}}</div>

<p>Method <code><strong>Promise.reject(reason)</strong></code> mengembalikan objek <code>Promise</code> yang ditolak dengan alasan yang diberikan.</p>

<h2 id="Sintaks">Sintaks</h2>

<pre class="syntaxbox"><var>Promise.reject(reason)</var>;</pre>

<h3 id="Parameter">Parameter</h3>

<dl>
 <dt>reason</dt>
 <dd>Alasan kenapa <code>Promise</code> ditolak.</dd>
</dl>

<h2 id="Deskripsi">Deskripsi</h2>

<p>Fungsi static <code>Promise.reject</code> mengembalikan <code>Promise</code> yang ditolak. Untuk keperluan debugging dan seleksi penankapan error, sangat berguna untuk membuat <code>reason</code> pada <code>instanceof</code> {{jsxref("Error")}}.</p>

<h2 id="Contoh">Contoh</h2>

<h3 id="Penggunaan_mthod_static_Promise.reject()">Penggunaan mthod static Promise.reject()</h3>

<pre class="brush: js">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
});</pre>

<h2 id="Spesifikasi">Spesifikasi</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Spesifikasi</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
  <tr>
   <td>{{SpecName('ES6', '#sec-promise.reject', 'Promise.reject')}}</td>
   <td>{{Spec2('ES6')}}</td>
   <td>Initial definition in an ECMA standard.</td>
  </tr>
  <tr>
   <td>{{SpecName('ESDraft', '#sec-promise.reject', 'Promise.reject')}}</td>
   <td>{{Spec2('ESDraft')}}</td>
   <td> </td>
  </tr>
 </tbody>
</table>

<h2 id="Kompabilitas_Browser">Kompabilitas Browser</h2>

<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>

<p>{{Compat("javascript.builtins.Promise.reject")}}</p>

<p> </p>

<h2 id="Lihat_Juga">Lihat Juga</h2>

<ul>
 <li>{{jsxref("Promise")}}</li>
 <li><a href="https://github.com/petkaantonov/bluebird#error-handling">Selective error catching using the BlueBird Promise library</a></li>
</ul>