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+---
+title: Document.onvisibilitychange
+slug: conflicting/Web/API/Document/visibilitychange_event
+translation_of: Web/API/Document/onvisibilitychange
+original_slug: Web/API/Document/onvisibilitychange
+---
+<div>{{ApiRef('DOM')}}</div>
+
+<p><code><strong>Document.onvisibilitychange</strong></code> 是一个事件处理方法，它将在该对象的 <code><strong>visibilitychange</strong></code>事件被触发时调用。</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="syntaxbox"><em>obj</em>.onvisibilitychange = <em>function</em>;
+</pre>
+
+<ul>
+ <li><code>function</code> 是一个用户定义的方法的名字（而非带()和任何参数的函数调用），或者匿名函数的申明。</li>
+</ul>
+
+<h2 id="例子">例子</h2>
+
+<pre class="brush: js">document.onvisibilitychange = function() {
+  console.log("Visibility of page has changed!");
+};
+</pre>
+
+<h2 id="标准">标准</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('Page Visibility API','#onvisiblitychange-event-handler','onvisibilitychange')}}</td>
+   <td>{{Spec2('Page Visibility API')}}</td>
+   <td>Initial definition.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+
+
+<p>{{Compat("api.Document.onvisibilitychange")}}</p>
+
+<h2 id="另见">另见</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/Page_Visibility_API">Page Visibility API</a></li>
+</ul>