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交作业

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木村落

#1 Created at ... [Delete] [Delete and Lock User] 
var ul = $('#test-div ul')
ul.append('<li><span>Pascal</span></li>')
ul.append('<li><span>Lua</span></li>')
ul.append('<li><span>Ruby</span></li>')
var lis = ul.find('li')
lis.sort(function(a,b){
  return (a.innerText>b.innerText)?1:-1
})
ul.append(lis)

木村落

#2 Created at ... [Delete] [Delete and Lock User] 
jQuery.prototype.sort === Array.prototype.sort //结果为true

试了下，原来jQuery对象的sort()方法其实是调用数字的sort()方法啊

虾哥笑工厂

#3 Created at ... [Delete] [Delete and Lock User]

jQuery分类方法是jQuery.unique().

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