blob: a376940d7e9147f10d6c92d18e4fe4b6e1522415 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
---
title: Promise.reject()
slug: Web/JavaScript/Reference/Global_Objects/Promise/reject
tags:
- ECMAScript6
- JavaScript
- Method
- Promise
translation_of: Web/JavaScript/Reference/Global_Objects/Promise/reject
---
<div>{{JSRef}}</div>
<p><code><strong>Promise.reject(reason)</strong></code> 메서드는 주어진 이유(reason)로 거부된 <code>Promise</code> 객체를 반환합니다.</p>
<h2 id="구문">구문</h2>
<pre class="syntaxbox"><var>Promise.reject(reason)</var>;</pre>
<h3 id="매개변수">매개변수</h3>
<dl>
<dt>reason</dt>
<dd>이 <code>Promise</code>를 거부한 이유.</dd>
</dl>
<h2 id="설명">설명</h2>
<p>정적 <code>Promise.reject</code> 함수는 거부된 <code>Promise</code>를 반환합니다. 디버깅 목적 및 선택된 오류를 잡기 위해, <code>reason</code>을 <code>instanceof</code> {{jsxref("Error")}} 이게 하는데 유용합니다.</p>
<h2 id="예">예</h2>
<h3 id="정적_Promise.reject()_메서드_사용">정적 Promise.reject() 메서드 사용</h3>
<pre class="brush: js">Promise.reject("Testing static reject").then(function(reason) {
// 호출되지 않음
}, function(reason) {
console.log(reason); // "Testing static reject"
});
Promise.reject(new Error("fail")).then(function(error) {
// 호출되지 않음
}, function(error) {
console.log(error); // Stacktrace
});</pre>
<h2 id="스펙">스펙</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">스펙</th>
<th scope="col">상태</th>
<th scope="col">설명</th>
</tr>
<tr>
<td>{{SpecName('ES6', '#sec-promise.reject', 'Promise.reject')}}</td>
<td>{{Spec2('ES6')}}</td>
<td>ECMA 표준에서 초기 정의.</td>
</tr>
<tr>
<td>{{SpecName('ESDraft', '#sec-promise.reject', 'Promise.reject')}}</td>
<td>{{Spec2('ESDraft')}}</td>
<td> </td>
</tr>
</tbody>
</table>
<h2 id="브라우저_호환성">브라우저 호환성</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="참조">참조</h2>
<ul>
<li>{{jsxref("Promise")}}</li>
<li><a href="https://github.com/petkaantonov/bluebird#error-handling">BlueBird Promise 라이브러리를 사용해 선택된 오류 잡기</a></li>
</ul>
|
