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 <title>ÑÝʾ±í¸ñµÄÅÅÐò¹¦ÄÜ</title>
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  var previousColumnIndex = 0;
  ArrayUtil = {
   arrayOne: [3, 32, 2, 5],
   arrayTwo: ["3","32","2","5"],
   demoNoarmal: function(){
    this.arrayOne.sort();//ĬÈÏ·½Ê½ÅÅÐò
    alert(this.arrayOne);
   },
   comparionAsc: function(one, two){ //ÉýÐò
    if(one < two){
     return -1;
    }else if(one > two){
     return 1;
    }else{
     return 0;
    }
   },
   comparionDesc: function(one, two){ //½µÉý
    if(one < two){
     return 1;
    }else if(one > two){
     return -1;
    }else{
     return 0;
    }
   },
   comparionSort: function(){
    //this.arrayOne.sort(this.comparionAsc);
    this.arrayOne.sort(this.comparionDesc);
    alert(this.arrayOne);
   },
   
   comparionAscForString: function(one, two){
    //return one.localeCompare(two); //ÉýÐò
    return -one.localeCompare(two); //½µÐò
   },
   comparionString: function(){
    this.arrayTwo.sort(this.comparionAscForString);
  


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