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What is the value of the css ex unit?
CSS中ex单元的用法是否正确?什么时候应该使用/不使用它来代替其他单位,如px、%、em?
我认为在处理垂直测量而不是水平测量(例如,高度而不是宽度)时,应该使用ex
而不是em
。
这是一个相当模糊的单元。我已经做了八年的专业网络开发人员,从未使用过它,甚至从未见过它被使用过,甚至一次。
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