插件介绍
页面标尺让您绘制一个标尺到任何页面，并显示它的宽度、高度和位置。
特性
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*在任意页面上绘制标尺，查看宽度、高度和顶部、底部、左右位置
*拖动标尺的边缘来调整它的大小
*使用方向键移动和调整标尺大小
*显示从标尺边缘延伸的参考线
*在工具栏中手动更新标尺的大小和位置，以实现精度的改变
*启用“元素模式”，当你将鼠标移动到页面上的元素上时，可以概述它们
*浏览任何被测量元素的父元素、子元素和兄弟元素
隐私政策- https://pageruler.li/privacy.html
重要的
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要在本地页面上使用，您需要在扩展标签中启用“允许访问文件url”选项
Page Ruler lets your draw out a ruler to any page and displays the width, height and position of it.
Features
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* Draw a ruler to any page and view the width, height and top, bottom, left and right position
* Drag the edges of the ruler to resize it
* Use the arrow keys to move and resize the ruler
* Show guides extending from the ruler edges
* Manually update the size and position of the ruler from the toolbar to make precision changes
* Enable “Element Mode” to outline elements on the page as you move your mouse over them
* Navigate through parents, children and sibling elements of any measured element
Privacy Policy - https://pageruler.li/privacy.html
Important
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To use on local pages you will need to enable the “allow access to file URLs” option in your extensions tab
浏览器插件安装详细步骤：Chrome浏览器如何安装插件扩展
