---
title: AudioContext.state
slug: Web/API/BaseAudioContext/state
translation_of: Web/API/BaseAudioContext/state
original_slug: Web/API/AudioContext/state
---
<p>{{ APIRef("Web Audio API") }}</p>

<div>
<p>{{ domxref("AudioContext") }}的<code>state属性是只读的，</code>返回<code>AudioContext</code>的当前状态。</p>
</div>

<h2 id="语法">语法</h2>

<pre class="brush: js">var audioCtx = new AudioContext();
var myState = audioCtx.state;</pre>

<h3 id="返回值">返回值</h3>

<p>{{domxref("DOMString")}}，可能的值如下：</p>

<ul>
 <li><code>suspended</code>: audio context被阻塞了(用{{domxref("AudioContext.suspend()")}} 方法)</li>
 <li><code>running</code>: audio context正常运行</li>
 <li><code>closed</code>: audio context被关闭了(用{{domxref("AudioContext.close()")}}方法)</li>
</ul>

<h2 id="例子">例子</h2>

<p>下面这段代码是<a href="https://github.com/mdn/audiocontext-states/settings">AudioContext states demo</a> (直接运行)中的，其中{{domxref("AudioContext.onstatechange")}}处理器会在每次当前状态发生变化时把它输出到控制台。</p>

<pre class="brush: js">audioCtx.onstatechange = function() {
  console.log(audioCtx.state);
}
</pre>

<h2 id="规范">规范</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-AudioContext-state', 'state')}}</td>
   <td>{{Spec2('Web Audio API')}}</td>
   <td> </td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容性">浏览器兼容性</h2>

<div>{{CompatibilityTable}}</div>

<div id="compat-desktop">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Chrome</th>
   <th>Firefox (Gecko)</th>
   <th>Internet Explorer</th>
   <th>Opera</th>
   <th>Safari (WebKit)</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatChrome(43.0)}}</td>
   <td>{{CompatGeckoDesktop(40.0)}} </td>
   <td>{{CompatNo}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Android</th>
   <th>Firefox Mobile (Gecko)</th>
   <th>Firefox OS</th>
   <th>IE Mobile</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
   <th>Chrome for Android</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
  </tr>
 </tbody>
</table>
</div>

<h2 id="另见">另见</h2>

<ul>
 <li><a href="/en-US/docs/Web_Audio_API/Using_Web_Audio_API">Using the Web Audio API</a></li>
</ul>