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---
title: Document.exitFullscreen()
slug: Web/API/Document/exitFullscreen
translation_of: Web/API/Document/exitFullscreen
---
<div>{{ApiRef("Fullscreen API")}}</div>
<p><code><strong>Document.exitFullscreen()</strong></code> 方法用于让当前文档退出全屏模式（原文表述不准确，详见备注）。调用这个方法会让文档回退到上一个调用{{domxref("Element.requestFullscreen()")}}方法进入全屏模式之前的状态。</p>
<div class="note"><strong>备注:</strong> 如果一个元素A在请求进去全屏模式之前，已经存在其他元素处于全屏状态，当这个元素A退出全屏模式之后，之前的元素仍然处于全屏状态。浏览器内部维护了一个全屏元素栈用于实现这个目的。</div>
<h2 id="语法">语法</h2>
<pre class="syntaxbox">document.exitFullscreen();
</pre>
<h2 id="示例">示例</h2>
<pre class="brush: js">// 点击切换全屏模式
document.onclick = function (event) {
if (document.fullscreenElement) {
document.exitFullscreen()
} else {
document.documentElement.requestFullscreen()
}
};</pre>
<h2 id="API规格">API规格</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
<tr>
<td>{{SpecName("Fullscreen", "#dom-document-exitfullscreen", "Document.exitFullscreen()")}}</td>
<td>{{Spec2("Fullscreen")}}</td>
<td>Initial definition</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{CompatibilityTable}}</p>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Chrome</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatVersionUnknown}}{{property_prefix("-webkit")}}<br>
{{CompatChrome(45)}} (unprefixed)</td>
<td>{{CompatGeckoDesktop("9.0")}} as <code>mozCancelFullScreen</code><sup>[1]</sup><br>
{{CompatGeckoDesktop("47.0")}}<sup>[1]</sup> (behind <code>full-screen-api.unprefix.enabled</code></td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android Webkit</th>
<th>Chrome for Android</th>
<th>Firefox Mobile (Gecko)</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatVersionUnknown}}{{property_prefix("-webkit")}}<br>
{{CompatChrome(45)}} (unprefixed)</td>
<td>{{CompatVersionUnknown}}{{property_prefix("-webkit")}}<br>
{{CompatChrome(45)}} (unprefixed)</td>
<td>{{CompatGeckoMobile("9.0")}} as <code>mozCancelFullScreen</code><sup>[1]</sup><br>
{{CompatGeckoMobile("47.0")}}<sup>[1]</sup> (behind <code>full-screen-api.unprefix.enabled</code></td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
</tr>
</tbody>
</table>
</div>
<p>[1] 可通过<code><strong>Document.exitFullscreen()</strong></code>方法让全屏元素栈的栈顶元素退出全屏状态，并让新的栈顶的元素进入全屏状态。此特征在Gecko 11.0 {{geckoRelease("11.0")}}中被实现.</p>
<h2 id="参阅">参阅</h2>
<ul>
<li><a href="/en/DOM/Using_full-screen_mode" title="en/DOM/Using full-screen mode">Using full-screen mode</a></li>
<li>{{ domxref("Element.requestFullscreen()") }}</li>
<li>{{ domxref("Document.exitFullscreen()") }}</li>
<li>{{ domxref("Document.fullscreen") }}</li>
<li>{{ domxref("Document.fullscreenElement") }}</li>
<li>{{ cssxref(":fullscreen") }}</li>
<li>{{ HTMLAttrXRef("allowfullscreen", "iframe") }}</li>
</ul>
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