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----
-title: Promise.prototype.catch()
-slug: Web/JavaScript/Reference/Global_Objects/Promise/catch
-tags:
- - ECMAScript6
- - Method
- - Promise
- - Prototype
- - Referensi
-translation_of: Web/JavaScript/Reference/Global_Objects/Promise/catch
----
-<div>{{JSRef}}</div>
-
-<p>Method <strong>catch()</strong> mengembalikan <code>Promise</code> dan hanya setuju jika kasusnya gagal. Sama halnya dengan memenggil method {{jsxref("Promise.then", "Promise.prototype.then(undefined, onRejected)")}}.</p>
-
-<h2 id="Sintaks">Sintaks</h2>
-
-<pre class="syntaxbox"><var>p.catch(onRejected)</var>;
-
-p.catch(function(reason) {
- // rejection
-});
-</pre>
-
-<h3 id="Parameter">Parameter</h3>
-
-<dl>
- <dt>onRejected</dt>
- <dd> {{jsxref("Function")}} dipanggil ketika <code>Promise</code> ditolak. Fungsi ini memiliki satu argumen, alasan penolakan.</dd>
-</dl>
-
-<h2 id="Deskripsi">Deskripsi</h2>
-
-<p>Method <code>catch</code> sangat berguna untuk menangani error di gabungan promis anda.</p>
-
-<h2 id="Contoh">Contoh</h2>
-
-<h3 id="Penggunaan_method_catch">Penggunaan method <code>catch</code></h3>
-
-<pre class="brush: js">var p1 = new Promise(function(resolve, reject) {
-  resolve('Success');
-});
-
-p1.then(function(value) {
-  console.log(value); // "Success!"
-  throw 'oh, no!';
-}).catch(function(e) {
-  console.log(e); // "oh, no!"
-}).then(function(){
-  console.log('after a catch the chain is restored');
-}, function () {
-  console.log('Not fired due to the catch');
-});
-
-// The following behaves the same as above
-p1.then(function(value) {
-  console.log(value); // "Success!"
- return Promise.reject('oh, no!');
-}).catch(function(e) {
-  console.log(e); // "oh, no!"
-}).then(function(){
-  console.log('after a catch the chain is restored');
-}, function () {
-  console.log('Not fired due to the catch');
-});
-
-</pre>
-
-<h3 id="Promis_tidak_dapat_mendeteksi_error_pada_asynchronous_callback">Promis tidak dapat mendeteksi error pada asynchronous callback</h3>
-
-<pre class="brush: js">var p1 = new Promise(function(resolve, reject) {
-  throw 'Uh-oh!';
-});
-
-p1.catch(function(e) {
-  console.log(e); // "Uh-oh!"
-});
-
-
-var p2 = new Promise(function(resolve, reject) {
-  setTimeout(function() {
-  throw 'Uncaught Exception!';
-  }, 1000);
-});
-
-p2.catch(function(e) {
-  console.log(e); // This is never called
-});</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.prototype.catch', 'Promise.prototype.catch')}}</td>
- <td>{{Spec2('ES6')}}</td>
- <td>Initial definition in an ECMA standard.</td>
- </tr>
- <tr>
- <td>{{SpecName('ESDraft', '#sec-promise.prototype.catch', 'Promise.prototype.catch')}}</td>
- <td>{{Spec2('ESDraft')}}</td>
- <td> </td>
- </tr>
- </tbody>
-</table>
-
-<h2 id="Kompabilitas_Browser">Kompabilitas Browser</h2>
-
-<p> </p>
-
-<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.catch")}}</p>
-
-<p> </p>
-
-<h2 id="Lihat_Juga">Lihat Juga</h2>
-
-<ul>
- <li>{{jsxref("Promise")}}</li>
- <li>{{jsxref("Promise.prototype.then()")}}</li>
-</ul>