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+---
+title: Screen.height
+slug: Web/API/Screen/height
+translation_of: Web/API/Screen/height
+---
+<div>
+ {{APIRef}}</div>
+<h2 id="Summary" name="Summary">概述</h2>
+<p>返回屏幕的高度(单位:像素)。</p>
+<h2 id="Syntax" name="Syntax">语法</h2>
+<pre class="syntaxbox"><var>iHeight</var> = window.screen.height
+</pre>
+<h2 id="Example" name="Example">示例</h2>
+<pre class="brush:js">if (window.screen.availHeight !== window.screen.height) {
+ // something is occupying some screen real estate!
+}
+</pre>
+<h2 id="Notes" name="Notes">备注</h2>
+<p>注意,该属性返回的高度值并不是全部对浏览器窗口可用。小工具(Widgets),如任务栏或其他特殊的程序窗口,可能会减少浏览器窗口和其他应用程序能够利用的空间。</p>
+<p>当返回屏幕高度时,IE 会考虑缩放设置。只有当缩放比例为 100% 时,IE 才会返回真实的屏幕高度。</p>
+<h2 id="Specification" name="Specification">规范</h2>
+<p>{{dom0}}</p>