---
title: OfflineAudoContext.length
slug: Web/API/OfflineAudioContext/length
translation_of: Web/API/OfflineAudioContext/length
---
<p>{{SeeCompatTable}}{{ APIRef("Web Audio API") }}</p>

<p>{{domxref("OfflineAudioContext")}} 接口的 <strong><code>length</code></strong> 属性返回一个代表采样帧的缓冲区大小的整数。</p>

<h2 id="语法">语法</h2>

<pre class="syntaxbox">var length = OfflineAudioContext.length;</pre>

<h3 id="值">值</h3>

<p>一个代表采样帧的缓冲区大小的整数。</p>

<h2 id="标准">标准</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('Web Audio API','#widl-OfflineAudioContext-length','length')}}</td>
   <td>{{Spec2('Web Audio API')}}</td>
   <td>Initial definition.</td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容性">浏览器兼容性</h2>

{{Compat("api.OfflineAudioContext.length")}}