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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> &...
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<!DOCTYPE html> <html> <head> <title>jQuery操作属性</title> <scr...
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选择器的总结:1.常规的css选择器:id选择器: .id名;class选择器: #class名;tagName选择器:tagName { }2. JS中使用的,涉及到的两种方法uerySelecto...
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之前作这种下拉菜单式的都是用js实现的。今天看视频讲到用css作,也就跟着老师的思路作了一下,代码比用js写的代码少很多。页面便于加载。<!DOCTYPE html><html>...
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<!DOCTYPE html><html><head><meta charset="UTF-8"><title>taob...
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