很容易理解错，不是指的当前元素的第一个子元素
很容易理解错，不是指的当前元素的第一个子元素
伪类 :first-child :last-child :nth-child(n) 1.:first-child ...
1.div:first-child2.div :first-child3.div:first-of-type4.d...
CSS3 first-child/last-child nth-child CSS3 伪元素选择器 :first-...
repatriate 遣返 May your first child be a musculine child. ...
css选择器中:first-child与:first-of-type的区别 :first-child选择器是css...
很容易理解错，不是指的当前元素的第一个子元素
1、first-child first-child表示选择列表中的第一个标签。代码如下： li:first-chi...
CSS伪类 :first-child & :first-type-child 傻傻分不清 前者要满足标签匹配，还有...
1.The first born child or an only child get many benefits...
.box:first-child和.box :first-child的区别 选择一个class为box的元素，要求...
本文标题：first—child
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