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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: window.parent
+slug: Web/API/Window/parent
+translation_of: Web/API/Window/parent
+---
+<p>{{ ApiRef() }}</p>
+
+<h3 id="Summary" name="Summary">概述</h3>
+
+<p>返回当前窗口的父窗口对象.</p>
+
+<p>如果一个窗口没有父窗口,则它的 <code>parent</code> 属性为自身的引用.</p>
+
+<p>如果当前窗口是一个 <code>&lt;iframe&gt;</code>, <code>&lt;object&gt;</code>, 或者 <code>&lt;frame&gt;</code>,则它的父窗口是嵌入它的那个窗口</p>
+
+<h3 id="Syntax" name="Syntax">语法</h3>
+
+<pre class="eval">var <em>parentWindow</em> = window.parent;
+</pre>
+
+<h3 id="Example" name="Example">例子</h3>
+
+<pre class="eval">if (window.parent != window.top) {
+ // 至少有三层窗口
+}
+</pre>
+
+<h3 id="See_also" name="See_also">相关链接</h3>
+
+<ul>
+ <li><code><a href="/zh-cn/DOM/window.frameElement" title="zh-cn/DOM/window.frameElement">window.frameElement</a></code> 返回嵌入当前窗口的frame对象.</li>
+ <li><code><a href="/zh-CN/docs/Web/API/Window/top" title="zh-cn/DOM/window.top">window.top</a></code> 返回当前窗口最顶层的父窗口.</li>
+</ul>
+
+<h3 id="Specification" name="Specification">规范</h3>
+
+<p>{{ DOM0() }}</p>
+
+<p>{{ languages( { "fr": "fr/DOM/window.parent", "ja": "ja/DOM/window.parent" , "en": "en/DOM/window.parent"} ) }}</p>