如何选择css nth-child列表中的最后2个项目?

问题描述

有可能吗?如果没有，有没有办法使用jQuery?

Is it possible? If not, is there a way to do it with jQuery?

推荐答案

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如果可能的话，它看起来就像...

If it were to be possible, it would look something like...

ul li:last-child+li {...}

但这是行不通的，因为+会选择最后一个孩子之后的直接姐妹(当然没什么).没有直接的上一个选择器.

But this doesn't work, because + will select the immediate sibling after last-child (which is nothing, of course). There is no immediate previous selector.

使用jQuery实现此目的的方法有多种，最有效的方法是...

There are different ways of achieving this with jQuery, the most performant would be...

var lastItems = $("#list li");
lastItems.slice(lastItems.length - 2).addClass("whatever");

http://jsfiddle.net/qkzdJ/

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