rem和em单位的实际区别 [英] Practical difference between rem and em units

问题描述

为什么你会使用over？我知道有资源可以解释'差异'，但是什么是一个实际的例子，在这个例子中，rem会比使用em更好？ 是相对于字体 - 其直接或最近的父级的大小，
rem 仅与html（根）字体大小有关。

这是我能找到的关于这个主题的最详细的解释。 https://j.eremy.net/confused-about-rem-and- em /

Why would you use one over the over? I know there are resources explaining the 'difference' but what is a practical example where rem would be preferable to use over em? And visa versa.

解决方案

While em is relative to the font-size of its direct or nearest parent, rem is only relative to the html (root) font-size.

This is the most detailed explanation I could find on this topic. https://j.eremy.net/confused-about-rem-and-em/

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