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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.mozInnerScreenX
+slug: Web/API/Window/mozInnerScreenX
+tags:
+ - HTML DOM
+ - NeedsCompatTable
+ - NeedsExample
+ - NeedsMarkupWork
+ - NeedsSpecTable
+ - Window
+ - 参考
+ - 属性
+ - 接口
+translation_of: Web/API/Window/mozInnerScreenX
+---
+<div>{{APIRef}}{{gecko_minversion_header("1.9.2")}}</div>
+
+<h2 id="概要">概要</h2>
+
+<p>在屏幕坐标中获取窗口视口左上角的X坐标</p>
+
+<div class="note"><strong>备注:</strong> 该坐标以CSS像素报告显示,而不是硬件像素。 这意味着它可以受缩放级别的影响; 要计算物理屏幕像素的实际数量,需要使用<a href="/en-US/docs/XPCOM_Interface_Reference/nsIDOMWindowUtils"> <code>nsIDOMWindowUtils.screenPixelsPerCSSPixel</code></a> 属性.</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><var>screenX</var> = window.mozInnerScreenX;</pre>
+
+<h2 id="值">值</h2>
+
+<ul>
+ <li><var>screenX</var> 存储的是<code>window.mozInnerScreenX的属性值。</code></li>
+ <li><code>window.mozInnerScreenX</code> 属性的值是一个浮点数, 只读; 它没有默认值。</li>
+</ul>
+
+<h2 id="规范">规范</h2>
+
+<p>不属于任何W3C规范或标准.</p>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li>{{domxref("window.mozInnerScreenY")}}</li>
+ <li><a href="/en-US/docs/XPCOM_Interface_Reference/nsIDOMWindowUtils"><code>nsIDOMWindowUtils.screenPixelsPerCSSPixel</code></a></li>
+</ul>