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자바스크립트로 구현한 number_format() 입니다.

· 2016-02-03 (수) 14:31:29 · 2955

 function toNumber(str){
  str = str.toString();
  var len = str.length;
  var num = "";
 
  for(i=0; i<len; i++){
   int = parseInt(str.charAt(i));
   if(int >= 0 && int <= 9) num += str.charAt(i);
  }
  return parseInt(num);
 }
 
 function Number_Format(val){
  if(val){
   val = toNumber(val).toString();
   var len = val.length;
      var str = "";
   if(len > 3){
    var in_c = len % 3;
    if(!in_c) in_c = 3;
   
    for(n = 0; n < len; n++){
     if(n == in_c){
      str += ",";
      in_c = 3 + in_c;
     }
     str += val.charAt(n);
       }
    return str;
   }else{
    return val;
   }
  }
 } 

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