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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:42:17 -0500
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+---
+title: Reflect.apply()
+slug: Web/JavaScript/Reference/Global_Objects/Reflect/apply
+tags:
+ - ECMAScript 2015
+ - JavaScript
+ - Method
+ - Reference
+ - Reflect
+translation_of: Web/JavaScript/Reference/Global_Objects/Reflect/apply
+---
+<div>{{JSRef}}</div>
+
+<p><code><strong>Reflect</strong></code><strong><code>.apply()</code></strong> 정적 메서드는 대상 함수를 주어진 매개변수로 호출합니다.</p>
+
+<div>{{EmbedInteractiveExample("pages/js/reflect-apply.html")}}</div>
+
+
+
+<h2 id="구문">구문</h2>
+
+<pre class="syntaxbox">Reflect.apply(<em>target</em>, <em>thisArgument</em>, <em>argumentsList</em>)
+</pre>
+
+<h3 id="매개변수">매개변수</h3>
+
+<dl>
+ <dt><code>target</code></dt>
+ <dd>호출할 대상 함수.</dd>
+ <dt><code>thisArgument</code></dt>
+ <dd>호출에서 <code>target</code>의 <code>this</code>로 사용할 값.</dd>
+ <dt><code>argumentsList</code></dt>
+ <dd><code>target</code>을 호출할 때 매개변수로 전달할 배열형 객체.</dd>
+</dl>
+
+<h3 id="반환_값">반환 값</h3>
+
+<p>주어진 <code>this</code> 값과 매개변수로 대상 함수를 호출한 결과.</p>
+
+<h3 id="예외">예외</h3>
+
+<p><code>target</code>이 호출 가능한 객체가 아니면 {{jsxref("TypeError")}}.</p>
+
+<h2 id="설명">설명</h2>
+
+<p>ES5에서는 {{jsxref("Function.prototype.apply()")}} 메서드를 사용해, 함수를 호출할 때 <code>this</code> 값을 지정하거나 매개변수를 배열(또는 배열형 객체)에서 넘겨줄 수 있었습니다.</p>
+
+<pre class="brush: js">Function.prototype.apply.call(Math.floor, undefined, [1.75]);</pre>
+
+<p><code>Reflect.apply()</code> 메서드를 사용해 같은 작업을 더 쉽고 유려하게 수행할 수 있습니다.</p>
+
+<h2 id="예제">예제</h2>
+
+<h3 id="Reflect.apply_사용하기"><code>Reflect.apply()</code> 사용하기</h3>
+
+<pre class="brush: js">Reflect.apply(Math.floor, undefined, [1.75]);
+// 1;
+
+Reflect.apply(String.fromCharCode, undefined, [104, 101, 108, 108, 111]);
+// "hello"
+
+Reflect.apply(RegExp.prototype.exec, /ab/, ['confabulation']).index;
+// 4
+
+Reflect.apply(''.charAt, 'ponies', [3]);
+// "i"
+</pre>
+
+<h2 id="명세">명세</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('ESDraft', '#sec-reflect.apply', 'Reflect.apply')}}</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="브라우저_호환성">브라우저 호환성</h2>
+
+
+
+<p>{{Compat("javascript.builtins.Reflect.apply")}}</p>
+
+<h2 id="같이_보기">같이 보기</h2>
+
+<ul>
+ <li>{{jsxref("Reflect")}}</li>
+ <li>{{jsxref("Function.prototype.apply()")}}</li>
+</ul>