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+---
+title: Window.length
+slug: Web/API/Window/length
+translation_of: Web/API/Window/length
+---
+<div>{{ ApiRef() }}</div>
+
+<p>window의 frame 개수를 반환합니다. ({{HTMLElement("frame")}} 또는 {{HTMLElement("iframe")}} 요소들 중 하나) </p>
+
+<h2 id="신텍스">신텍스</h2>
+
+<pre class="syntaxbox"><em>framesCount</em> = window.length;
+</pre>
+
+<ul>
+ <li><code>framesCount</code> 는 frame의 개수이다.</li>
+</ul>
+
+<h2 id="예제">예제</h2>
+
+<pre class="brush:js">if (window.length) {
+  // document의 subframes
+}</pre>
+
+<h2 id="명세서">명세서</h2>
+
+<table class="spectable standard-table">
+ <tbody>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+  <tr>
+   <td>{{SpecName('HTML WHATWG','browsers.html#dom-length','Window.length')}}</td>
+   <td>{{Spec2('HTML WHATWG')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName('HTML5 W3C', 'browsers.html#dom-length', 'Window.length')}}</td>
+   <td>{{Spec2('HTML5 W3C')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="브라우저_호환성">브라우저 호환성</h2>
+
+
+
+<p>{{Compat("api.Window.length")}}</p>