---
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>