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越努力越幸运!!!
What are the advantages of class selectors? -PHP Chinese website Q&A-What are the advantages of class selectors? -PHP Chinese website Q&A
Please watch and learn.
可以选择出多个元素,#id只能选出一个元素
可以实现代码的复用,多个样式效果可以叠加!
What are the advantages of class selectors? -PHP Chinese website Q&A-What are the advantages of class selectors? -PHP Chinese website Q&A
Please watch and learn.
可以选择出多个元素,#id只能选出一个元素
可以实现代码的复用,多个样式效果可以叠加!