---
title: WakeLock
slug: Web/API/WakeLock
translation_of: Web/API/WakeLock
---
<p>{{APIRef("Screen Wake Lock API")}}{{SeeCompatTable}}{{securecontext_header}}</p>

<p><span class="seoSummary"><code><strong>WakeLock</strong></code> 接口允许一个文件获取屏幕唤醒锁定。</span></p>

<h2 id="方法">方法</h2>

<dl>
 <dt>{{domxref("WakeLock.request","WakeLock.request()")}}</dt>
 <dd>返回一个决议为 {{DOMxRef("WakeLockSentinel")}} 的 {{JSxRef("Promise")}} 或当唤醒锁定不可访问的时候抛出异常。</dd>
</dl>

<h2 id="示例">示例</h2>

<p>以下例子获取一个唤醒锁定并在 10 分钟后释放它：</p>

<pre class="notranslate">function tryKeepScreenAlive(minutes) {
  navigator.wakeLock.request("screen").then(lock =&gt; {
    setTimeout(() =&gt; lock.release(), minutes * 60 * 1000);
  });
}

tryKeepScreenAlive(10);
</pre>

<h2 id="规范">规范</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">规范</th>
   <th scope="col">状态</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td><a href="https://w3c.github.io/screen-wake-lock/#dom-wakelock">Screen Wake Lock API</a></td>
   <td>Editor's Draft</td>
   <td>Initial definition</td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容性">浏览器兼容性</h2>

<div>


<p>{{Compat("api.WakeLock")}}</p>

<h2 id="相关链接">相关链接</h2>

<ul>
 <li>{{DOMxRef("Navigator.wakeLock")}}</li>
</ul>
</div>