总结:>作用于元素的第一代后代,空格作用于元素的所有后代。
这句话怎么理解?对于第一代后代和所有后代不是很明白,求大神解答。
数据分析师2017-09-30 23:24:43
What is the first descendant of an element, and what are all the descendants of an element? -PHP Chinese website Q&A-What is the first generation descendant of an element, and what are all the descendants of an element? -PHP Chinese website Q&A
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