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----
-title: Document.onvisibilitychange
-slug: Web/API/Document/onvisibilitychange
-translation_of: 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>