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移动端适配 #25

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wanCheng7 opened this issue Jan 7, 2020 · 0 comments
Open

移动端适配 #25

wanCheng7 opened this issue Jan 7, 2020 · 0 comments

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@wanCheng7
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wanCheng7 commented Jan 7, 2020 •
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什么是像素

关于像素的概念，虚拟像素，可以理解为“直觉”像素，是一种相对单位。浏览器内的一些长度都是以CSS像素为单位的，CSS里表示为px。

几个基础概念

  • 设备独立像素和物理像素
    简单来说，设备独立像素就是我们
    image

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