@hochan222

feat: convert html to markdown, Enumerability_and_ownership_of_properties

1 files changed, 381 insertions, 245 deletions

diff --git a/files/ko/web/javascript/enumerability_and_ownership_of_properties/index.md b/files/ko/web/javascript/enumerability_and_ownership_of_properties/index.md
index 41252c39d1..8f4155cf84 100644
--- a/files/ko/web/javascript/enumerability_and_ownership_of_properties/index.md
+++ b/files/ko/web/javascript/enumerability_and_ownership_of_properties/index.md
@@ -1,173 +1,308 @@
 ---
 title: Enumerability and ownership of properties
 slug: Web/JavaScript/Enumerability_and_ownership_of_properties
+tags:
+  - Guide
+  - JavaScript
 translation_of: Web/JavaScript/Enumerability_and_ownership_of_properties
 ---
-<div>{{JsSidebar("More")}}</div>
+{{JsSidebar("More")}}
 
+'Enumerable properties'(열거 가능한 속성)는 내부 열거 형 플래그가 true로 설정된 property로, 이는 간단한 할당 또는 property initializer ([Object.defineProperty](/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty)를 통해 정의 된 특성 및 이러한 기본 열거 형을 false로 정의한 특성)를 통해 작성된 property의 기본값입니다. 
 
+등록 정보의 키가 [Symbol](/ko/docs/Web/JavaScript/Reference/Global_Objects/Symbol)이 아니면 열거 가능한 등록 정보가 [for...in](/ko/docs/Web/JavaScript/Reference/Statements/for...in) 루프에 표시됩니다. 'Ownership of properties' (속성의 소유권)은 속성이 프로토 타입 체인이 아닌 개체에 직접 속하는지 여부에 따라 결정됩니다. 객체의 속성도 전체적으로 검색 할 수 있습니다. 개체 속성을 감지, 반복 / 열거 및 검색하는 여러 가지 기본 제공 방법이 있으며 아래 표와 같이 사용할 수 있습니다. 누락 된 범주를 얻는 방법을 보여주는 샘플 코드는 다음과 같습니다.
 
-<p>'Enumerable properties'(열거 가능한 속성)는 내부 열거 형 플래그가 true로 설정된 property로, 이는 간단한 할당 또는 property initializer (<a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty">Object.defineProperty</a>를 통해 정의 된 특성 및 이러한 기본 열거 형을 false로 정의한 특성)를 통해 작성된 property의 기본값입니다. 등록 정보의 키가 <a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol">Symbol</a>이 아니면 열거 가능한 등록 정보가 <a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...in">for...in</a> 루프에 표시됩니다. 'Ownership of properties' (속성의 소유권)은 속성이 프로토 타입 체인이 아닌 개체에 직접 속하는지 여부에 따라 결정됩니다. 객체의 속성도 전체적으로 검색 할 수 있습니다. 개체 속성을 감지, 반복 / 열거 및 검색하는 여러 가지 기본 제공 방법이 있으며 아래 표와 같이 사용할 수 있습니다. 누락 된 범주를 얻는 방법을 보여주는 샘플 코드는 다음과 같습니다.</p>
+## 객체 속성 감지, 검색 및 열거
 
-<div style="overflow: auto; width: 100%;">
-<table>
- <caption>Property enumerability and ownership - built-in methods of detection, retrieval, and iteration</caption>
- <tbody>
-  <tr>
-   <th>Functionality</th>
-   <th>Own object</th>
-   <th>Own object and its prototype chain</th>
-   <th>Prototype chain only</th>
-  </tr>
-  <tr>
-   <td>Detection</td>
-   <td>
-    <table>
-     <thead>
-      <tr>
-       <th scope="col">Enumerable</th>
-       <th scope="col">Nonenumerable</th>
-       <th scope="col">Enumerable and Nonenumerable</th>
-      </tr>
-     </thead>
-     <tbody>
-      <tr>
-       <td>
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable">propertyIsEnumerable</a></code></p>
-
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty">hasOwnProperty</a></code></p>
-       </td>
-       <td>
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty">hasOwnProperty</a></code> – filtered to exclude enumerables using <code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable">propertyIsEnumerable</a></code></p>
-       </td>
-       <td><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty">hasOwnProperty</a></code></td>
-      </tr>
-     </tbody>
-    </table>
-   </td>
-   <td>
-    <table>
-     <thead>
-      <tr>
-       <th scope="col">Enumerable</th>
-       <th scope="col">Nonenumerable</th>
-       <th scope="col">Enumerable and Nonenumerable</th>
-      </tr>
-     </thead>
-     <tbody>
-      <tr>
-       <td>Not available without extra code</td>
-       <td>Not available without extra code</td>
-       <td><code><a href="/en-US/docs/Web/JavaScript/Reference/Operators/in">in</a></code></td>
-      </tr>
-     </tbody>
-    </table>
-   </td>
-   <td>Not available without extra code</td>
-  </tr>
-  <tr>
-   <td>Retrieval</td>
-   <td>
-    <table>
-     <thead>
-      <tr>
-       <th scope="col">Enumerable</th>
-       <th scope="col">Nonenumerable</th>
-       <th scope="col">Enumerable and Nonenumerable</th>
-      </tr>
-     </thead>
-     <tbody>
-      <tr>
-       <td>
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys">Object.keys</a></code></p>
-
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames">getOwnPropertyNames</a></code> </p>
+개체 속성을 감지, 반복/열거 및 검색하는 여러 가지 기본 제공 수단이 있습니다. 아래 표에 요약되어 있습니다.
 
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols">getOwnPropertySymbols</a></code></p>
-       </td>
-       <td><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames">getOwnPropertyNames</a></code>, <code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols">getOwnPropertySymbols</a> </code>– filtered to exclude enumerables using <code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable">propertyIsEnumerable</a></code></td>
-       <td>
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames">getOwnPropertyNames</a></code></p>
+### Detection
 
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols">getOwnPropertySymbols</a></code></p>
-       </td>
-      </tr>
-     </tbody>
-    </table>
-   </td>
-   <td>Not available without extra code</td>
-   <td>Not available without extra code</td>
-  </tr>
-  <tr>
-   <td>Iterable</td>
-   <td>
-    <table>
-     <thead>
-      <tr>
-       <th scope="col">Enumerable</th>
-       <th scope="col">Nonenumerable</th>
-       <th scope="col">Enumerable and Nonenumerable</th>
-      </tr>
-     </thead>
-     <tbody>
-      <tr>
-       <td>
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys">Object.keys</a></code></p>
+<table>
+  <thead>
+    <tr>
+      <th></th>
+      <th>Own object</th>
+      <th>Own object and prototype chain</th>
+      <th>Prototype chain only</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <th>Enumerable</th>
+      <td>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable"
+              >propertyIsEnumerable</a
+            ></code
+          >
+        </p>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty"
+              >hasOwnProperty</a
+            ></code
+          >
+        </p>
+      </td>
+      <td>Not available without extra code</td>
+      <td>Not available without extra code</td>
+    </tr>
+    <tr>
+      <th>Nonenumerable</th>
+      <td>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty"
+              >hasOwnProperty</a
+            ></code
+          >
+          – filtered to exclude enumerables using
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable"
+              >propertyIsEnumerable</a
+            ></code
+          >
+        </p>
+      </td>
+      <td>Not available without extra code</td>
+      <td>Not available without extra code</td>
+    </tr>
+    <tr>
+      <th>Enumerable and Nonenumerable</th>
+      <td>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty"
+              >hasOwnProperty</a
+            ></code
+          >
+        </p>
+      </td>
+      <td>
+        <code
+          ><a href="/ko/docs/Web/JavaScript/Reference/Operators/in"
+            >in</a
+          ></code
+        >
+      </td>
+      <td>Not available without extra code</td>
+    </tr>
+  </tbody>
+</table>
 
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames">getOwnPropertyNames</a></code> </p>
+### Retrieval
 
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols">getOwnPropertySymbols</a></code></p>
-       </td>
-       <td><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames">getOwnPropertyNames</a></code>, <code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols">getOwnPropertySymbols</a></code> – filtered to exclude enumerables using <code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable">propertyIsEnumerable</a></code></td>
-       <td>
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames">getOwnPropertyNames</a></code></p>
+<table>
+  <thead>
+    <tr>
+      <th></th>
+      <th>Own object</th>
+      <th>Own object and prototype chain</th>
+      <th>Prototype chain only</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <th>Enumerable</th>
+      <td>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/keys"
+              >Object.keys</a
+            ></code
+          >
+        </p>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames"
+              >getOwnPropertyNames</a
+            ></code
+          > 
+        </p>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols"
+              >getOwnPropertySymbols</a
+            ></code
+          >
+        </p>
+      </td>
+      <td>Not available without extra code</td>
+      <td>Not available without extra code</td>
+    </tr>
+    <tr>
+      <th>Nonenumerable</th>
+      <td>
+        <code
+          ><a
+            href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames"
+            >getOwnPropertyNames</a
+          ></code
+        >,
+        <code
+          ><a
+            href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols"
+            >getOwnPropertySymbols</a
+          ></code
+        >
+        – filtered to exclude enumerables using <code
+          ><a
+            href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable"
+            >propertyIsEnumerable</a
+          ></code
+        >
+      </td>
+      <td>Not available without extra code</td>
+      <td>Not available without extra code</td>
+    </tr>
+    <tr>
+      <th>Enumerable and Nonenumerable</th>
+      <td>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames"
+              >getOwnPropertyNames</a
+            ></code
+          >
+        </p>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols"
+              >getOwnPropertySymbols</a
+            ></code
+          >
+        </p>
+      </td>
+      <td>Not available without extra code</td>
+      <td>Not available without extra code</td>
+    </tr>
+  </tbody>
+</table>
 
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols">getOwnPropertySymbols</a></code></p>
-       </td>
-      </tr>
-     </tbody>
-    </table>
-   </td>
-   <td>
-    <table>
-     <thead>
-      <tr>
-       <th scope="col">Enumerable</th>
-       <th scope="col">Nonenumerable</th>
-       <th scope="col">Enumerable and Nonenumerable</th>
-      </tr>
-     </thead>
-     <tbody>
-      <tr>
-       <td>
-        <p><code><a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...in">for..in</a></code></p>
+### Iteration
 
+<table>
+  <thead>
+    <tr>
+      <th></th>
+      <th>Own object</th>
+      <th>Own object and prototype chain</th>
+      <th>Prototype chain only</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <th>Enumerable</th>
+      <td>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/keys"
+              >Object.keys</a
+            ></code
+          >
+        </p>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames"
+              >getOwnPropertyNames</a
+            ></code
+          > 
+        </p>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols"
+              >getOwnPropertySymbols</a
+            ></code
+          >
+        </p>
+      </td>
+      <td>
+        <p>
+          <code
+            ><a href="/ko/docs/Web/JavaScript/Reference/Statements/for...in"
+              >for..in</a
+            ></code
+          >
+        </p>
         <p>(excluding symbols)</p>
-       </td>
-       <td>Not available without extra code</td>
-       <td>Not available without extra code</td>
-      </tr>
-     </tbody>
-    </table>
-   </td>
-   <td>Not available without extra code</td>
-  </tr>
- </tbody>
+      </td>
+      <td>Not available without extra code</td>
+    </tr>
+    <tr>
+      <th>Nonenumerable</th>
+      <td>
+        <code
+          ><a
+            href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames"
+            >getOwnPropertyNames</a
+          ></code
+        >,
+        <code
+          ><a
+            href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols"
+            >getOwnPropertySymbols</a
+          ></code
+        >
+        – filtered to exclude enumerables using <code
+          ><a
+            href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable"
+            >propertyIsEnumerable</a
+          ></code
+        >
+      </td>
+      <td>Not available without extra code</td>
+      <td>Not available without extra code</td>
+    </tr>
+    <tr>
+      <th>Enumerable and Nonenumerable</th>
+      <td>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames"
+              >getOwnPropertyNames</a
+            ></code
+          >
+        </p>
+        <p>
+          <code
+            ><a
+              href="/ko/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols"
+              >getOwnPropertySymbols</a
+            ></code
+          >
+        </p>
+      </td>
+      <td>Not available without extra code</td>
+      <td>Not available without extra code</td>
+    </tr>
+  </tbody>
 </table>
-</div>
-
-<h2 id="Obtaining_properties_by_enumerabilityownership">Obtaining properties by enumerability/ownership</h2>
-
 
+## Obtaining properties by enumerability/ownership
 
-<p>아래는 모든 경우에 가장 효율적인 알고리즘은 아니지만 빠르게 코드를 작성하여 확인하기 좋습니다.</p>
+아래는 모든 경우에 가장 효율적인 알고리즘은 아니지만 빠르게 코드를 작성하여 확인하기 좋습니다.
 
-<ul>
- <li>Detection can occur by <code>SimplePropertyRetriever.theGetMethodYouWant(obj).indexOf(prop) &gt; -1</code></li>
- <li>Iteration can occur by <code>SimplePropertyRetriever.theGetMethodYouWant(obj).forEach(function (value, prop) {});</code> (or use<code> filter()</code>, <code>map()</code>, etc.)</li>
-</ul>
+- Detection can occur by `SimplePropertyRetriever.theGetMethodYouWant(obj).indexOf(prop) > -1`
+- Iteration can occur by `SimplePropertyRetriever.theGetMethodYouWant(obj).forEach(function (value, prop) {});` (or use` filter()`, `map()`, etc.)
 
-<pre class="brush: js notranslate">var SimplePropertyRetriever = {
+```js
+var SimplePropertyRetriever = {
     getOwnEnumerables: function(obj) {
         return this._getPropertyNames(obj, true, false, this._enumerable);
          // Or could use for..in filtered with hasOwnProperty or just this: return Object.keys(obj);
@@ -215,7 +350,7 @@ translation_of: Web/JavaScript/Enumerability_and_ownership_of_properties
         do {
             if (iterateSelfBool) {
                 Object.getOwnPropertyNames(obj).forEach(function(prop) {
-                    if (props.indexOf(prop) === -1 &amp;&amp; includePropCb(obj, prop)) {
+                    if (props.indexOf(prop) === -1 && includePropCb(obj, prop)) {
                         props.push(prop);
                     }
                 });
@@ -228,104 +363,105 @@ translation_of: Web/JavaScript/Enumerability_and_ownership_of_properties
 
         return props;
     }
-};</pre>
+};
+```
 
-<h2 id="Detection_Table">Detection Table</h2>
+## Detection Table
 
-<div style="overflow: auto; width: 100%;">
 <table>
- <thead>
-  <tr>
-   <th scope="row"></th>
-   <th scope="col"><code>in</code></th>
-   <th scope="col"><code>for..in</code></th>
-   <th scope="col"><code>obj.hasOwnProperty</code></th>
-   <th scope="col"><code>obj.propertyIsEnumerable</code></th>
-   <th scope="col"><code>Object.keys</code></th>
-   <th scope="col"><code>Object.getOwnPropertyNames</code></th>
-   <th scope="col"><code>Object.getOwnPropertyDescriptors</code></th>
-   <th scope="col"><code>Reflect.ownKeys()</code></th>
-  </tr>
- </thead>
- <tbody>
-  <tr>
-   <th scope="row">Enumerable</th>
-   <td>true</td>
-   <td>true</td>
-   <td>true</td>
-   <td>true</td>
-   <td>true</td>
-   <td>true</td>
-   <td>true</td>
-   <td>true</td>
-  </tr>
-  <tr>
-   <th scope="row">Nonenumerable</th>
-   <td>true</td>
-   <td>false</td>
-   <td>true</td>
-   <td>false</td>
-   <td>false</td>
-   <td>true</td>
-   <td>true</td>
-   <td>true</td>
-  </tr>
-  <tr>
-   <th scope="row">Symbols keys</th>
-   <td>true</td>
-   <td>false</td>
-   <td>true</td>
-   <td>true</td>
-   <td>false</td>
-   <td>false</td>
-   <td>true</td>
-   <td>true</td>
-  </tr>
-  <tr>
-   <th scope="row">Inherited Enumerable</th>
-   <td>true</td>
-   <td>true</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-  </tr>
-  <tr>
-   <th scope="row">Inherited Nonenumerable</th>
-   <td>true</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-  </tr>
-  <tr>
-   <th scope="row">Inherited Symbols keys</th>
-   <td>true</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-   <td>false</td>
-  </tr>
- </tbody>
+  <thead>
+    <tr>
+      <th></th>
+      <th>Enumerable</th>
+      <th>Nonenumerable</th>
+      <th>Symbols keys</th>
+      <th>Inherited Enumerable</th>
+      <th>Inherited Nonenumerable</th>
+      <th>Inherited Symbols keys</th>
+    </tr>
+  </thead>
+  <tbody>
+    <tr>
+      <th><code>in</code></th>
+      <td>true</td>
+      <td>true</td>
+      <td>true</td>
+      <td>true</td>
+      <td>true</td>
+      <td>true</td>
+    </tr>
+    <tr>
+      <th><code>for..in</code></th>
+      <td>true</td>
+      <td>false</td>
+      <td>false</td>
+      <td>true</td>
+      <td>false</td>
+      <td>false</td>
+    </tr>
+    <tr>
+      <th><code>obj.hasOwnProperty</code></th>
+      <td>true</td>
+      <td>true</td>
+      <td>true</td>
+      <td>false</td>
+      <td>false</td>
+      <td>false</td>
+    </tr>
+    <tr>
+      <th><code>obj.propertyIsEnumerable</code></th>
+      <td>true</td>
+      <td>false</td>
+      <td>true</td>
+      <td>false</td>
+      <td>false</td>
+      <td>false</td>
+    </tr>
+    <tr>
+      <th><code>Object.keys</code></th>
+      <td>true</td>
+      <td>false</td>
+      <td>false</td>
+      <td>false</td>
+      <td>false</td>
+      <td>false</td>
+    </tr>
+    <tr>
+      <th><code>Object.getOwnPropertyNames</code></th>
+      <td>true</td>
+      <td>true</td>
+      <td>false</td>
+      <td>false</td>
+      <td>false</td>
+      <td>false</td>
+    </tr>
+    <tr>
+      <th><code>Object.getOwnPropertyDescriptors</code></th>
+      <td>true</td>
+      <td>true</td>
+      <td>true</td>
+      <td>false</td>
+      <td>false</td>
+      <td>false</td>
+    </tr>
+    <tr>
+      <th><code>Reflect.ownKeys()</code></th>
+      <td>true</td>
+      <td>true</td>
+      <td>true</td>
+      <td>false</td>
+      <td>false</td>
+      <td>false</td>
+    </tr>
+  </tbody>
 </table>
-</div>
 
-<h2 id="See_also">See also</h2>
+## 같이보기
 
-<ul>
- <li><code><a href="/en-US/docs/Web/JavaScript/Reference/Operators/in">in</a></code></li>
- <li><code><a href="/en-US/docs/Web/JavaScript/Reference/Statements/for...in">for..in</a></code></li>
- <li>{{jsxref("Object.hasOwnProperty()")}}</li>
- <li>{{jsxref("Object.propertyIsEnumerable()")}}</li>
- <li>{{jsxref("Object.getOwnPropertyNames()")}}</li>
- <li>{{jsxref("Object.keys()")}}</li>
- <li>{{jsxref("Object.getOwnPropertyDescriptors()")}}</li>
-</ul>
+- [`in`](/ko/docs/Web/JavaScript/Reference/Operators/in)
+- [`for..in`](/ko/docs/Web/JavaScript/Reference/Statements/for...in)
+- {{jsxref("Object.hasOwnProperty()")}}
+- {{jsxref("Object.propertyIsEnumerable()")}}
+- {{jsxref("Object.getOwnPropertyNames()")}}
+- {{jsxref("Object.keys()")}}
+- {{jsxref("Object.getOwnPropertyDescriptors()")}}