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---
title: Reflect.ownKeys()
slug: Web/JavaScript/Reference/Global_Objects/Reflect/ownKeys
tags:
- ECMAScript 2015
- JavaScript
- Method
- Reference
- Reflect
translation_of: Web/JavaScript/Reference/Global_Objects/Reflect/ownKeys
---
<div>{{JSRef}}</div>
<p><code><strong>Reflect.ownKeys()</strong></code> 정적 메서드는 대상 객체의 자체 속성 키를 배열로 반환합니다.</p>
<div>{{EmbedInteractiveExample("pages/js/reflect-ownkeys.html")}}</div>
<h2 id="구문">구문</h2>
<pre class="syntaxbox">Reflect.ownKeys(<em>target</em>)
</pre>
<h3 id="매개변수">매개변수</h3>
<dl>
<dt><code>target</code></dt>
<dd>자체 키를 가져올 대상 객체.</dd>
</dl>
<h3 id="반환_값">반환 값</h3>
<p>주어진 객체의 자체 속성 키를 담은 {{jsxref("Array")}}.</p>
<h3 id="예외">예외</h3>
<p><code>target</code>이 {{jsxref("Object")}}가 아니면 {{jsxref("TypeError")}}.</p>
<h2 id="설명">설명</h2>
<p>The <code>Reflect.ownKeys()</code> 메서드는 대상 객체의 자체 속성 키를 배열로 반환합니다. 반환 값은 <code>{{jsxref("Object.getOwnPropertyNames", "Object.getOwnPropertyNames(target)", "", 1)}}.concat({{jsxref("Object.getOwnPropertySymbols", "Object.getOwnPropertySymbols(target)", "", 1)}})</code>와 동일합니다.</p>
<h2 id="예제">예제</h2>
<h3 id="Reflect.ownKeys()_사용하기"><code>Reflect.ownKeys()</code> 사용하기</h3>
<pre class="brush: js">Reflect.ownKeys({z: 3, y: 2, x: 1}); // [ "z", "y", "x" ]
Reflect.ownKeys([]); // ["length"]
var sym = Symbol.for('comet');
var sym2 = Symbol.for('meteor');
var obj = {[sym]: 0, 'str': 0, '773': 0, '0': 0,
[sym2]: 0, '-1': 0, '8': 0, 'second str': 0};
Reflect.ownKeys(obj);
// [ "0", "8", "773", "str", "-1", "second str", Symbol(comet), Symbol(meteor) ]
// Indexes in numeric order,
// strings in insertion order,
// symbols in insertion order
</pre>
<h2 id="명세">명세</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
<tr>
<td>{{SpecName('ES2015', '#sec-reflect.ownkeys', 'Reflect.ownKeys')}}</td>
<td>{{Spec2('ES2015')}}</td>
<td>Initial definition.</td>
</tr>
<tr>
<td>{{SpecName('ESDraft', '#sec-reflect.ownkeys', 'Reflect.ownKeys')}}</td>
<td>{{Spec2('ESDraft')}}</td>
<td> </td>
</tr>
</tbody>
</table>
<h2 id="브라우저_호환성">브라우저 호환성</h2>
<p>{{Compat("javascript.builtins.Reflect.ownKeys")}}</p>
<h2 id="같이_보기">같이 보기</h2>
<ul>
<li>{{jsxref("Reflect")}}</li>
<li>{{jsxref("Object.getOwnPropertyNames()")}}</li>
</ul>
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