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+---
+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>