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很多焦头烂额的开发者甚至向 CSS 工作组申请增加 ::nth-line() 这样的伪元素,不过由于性能上的考量被拒绝了。
::nth-line()
原文的说法是 “... an :nth-line() pseudo-class ...”,称其为 “伪类”。
:nth-line()
但实际上如果真的有这种东西,那它应该是个 “伪元素”。