--- title: Document.hidden slug: Web/API/Document/hidden translation_of: Web/API/Document/hidden --- <p>{{ ApiRef("DOM") }}</p> <p><code><strong>Document.hidden</strong></code> (只读属性)返回布尔值,表示页面是(true)否(false)隐藏。</p> <h2 id="语法">语法</h2> <pre class="syntaxbox">var <em>string</em> = document.hidden</pre> <h2 id="例子">例子</h2> <pre class="brush:js;">document.addEventListener("visibilitychange", function() { console.log( document.hidden ); // Modify behavior... });</pre> <h2 id="规范">规范</h2> <table class="standard-table"> <tbody> <tr> <th>Specification</th> <th>Status</th> <th>Comment</th> </tr> <tr> <td>{{SpecName('Page Visibility API','#dom-document-hidden', 'Document.hidden')}}</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> <article> <p>{{Compat("api.Document.hidden")}}</p> </article>