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<script type="text/javascript">
   var User = {
       name:"centerqi",
       age:25,
       toString:function()
       {
           alert(this.name+' is '+ this.age);
       }
   }
  
   function  display_user()
   {
/* ²»ÄÜÓÃÕâÖÖ·½Ê½È¥´´½¨¶ÔÏó£¬ÒòΪjson¶ÔÏó·½Ê½Ã»Óй¹Ô캯Êý*/
 var centerqi = new User();
/* Ö±½ÓÓÃÈçÏ·½Ê½ÒýÓþͿÉÒÔÁË*/
  User .toString();
   }
  
   </script>
¹¹Ô캯Êý·½Ê½
 function User(name,age)
   {
       this.name =name;
       this.age = age;
       this.toString=function()
       {
           alert(this.name+' is '+this.age);
       }
   }
  
   function  display_user()
   {
       /* ÒòΪ¶ÔÏóÓÐÁ˹¹Ô캯Êý£¬ËùÒÔ¿ÉÒÔÓÃÈçÏ·½Ê½ */
         var centerqi = new User('centerqi',25);
         centerqi.toString();
   }
¶ÔÓÚ¶ÔÏóÊôÐԺͷ½·¨µÄ¶¨Òå¿ÉÒÔÓÐÈçϼ¸ÖÖ·½Ê½
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·½·¨·ÖΪ˽Óз½·¨£¬ÊµÀý·½·¨£¬ºÍÀà·½·¨
function User(name,age)
   {
       this.name =name;
       this.age = age;
       var adult_age = 18; /* ÕâÊÇ˽ÓеÄÊôÐÔ*/
      
       this.toString=function()


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