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第一代子元素和父元素,凭什么断定他们之间的父子关系
数据分析师2017-09-30 22:55:52
In the selector, how does the parent-child relationship come about? -PHP Chinese website Q&A-In the selector, how does the parent-child relationship come about? -PHP Chinese website Q&A
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迷茫2016-12-19 13:16:11
A元素在B元素的里面,那么B元素就是父元素,A元素就是B元素的子元素 ,父子关系其实就是包含关系