콤마설정 스크립트

putComma("99999999");
리턴값 : 99,999,999

/***************************************************/

/* 콤마설정 */

    

    function putComma(input) { 

var num = input;

     

if (num < 0) { 

num *= -1; 

var minus = true

}else{

var minus = false

}

     

var dotPos = (num+"").split(".")

var dotU = dotPos[0]

var dotD = dotPos[1]

var commaFlag = dotU.length%3

    

if(commaFlag) {

var out = dotU.substring(0, commaFlag) 

if (dotU.length > 3) out += ","

}

else var out = ""

    

for (var i=commaFlag; i < dotU.length; i+=3) {

out += dotU.substring(i, i+3) 

if( i < dotU.length-3) out += ","

}

    

if(minus) out = "-" + out

if(dotD) return out + "." + dotD

else return out 

    }