getParameter 메소드 만들어 쓰기

?

var Request = function() {     this.getParameter = function( name )     {         var rtnval = "";         var nowAddress = unescape(location.href);         var parameters = (nowAddress.slice(nowAddress.indexOf("?")+1,nowAddress.length)).split("&");           for(var i = 0 ; i < parameters.length ; i++)         {             var varName = parameters[i].split("=")[0];             if(varName.toUpperCase() == name.toUpperCase())             {                 rtnval = parameters[i].split("=")[1];                 break;             }         }         return rtnval;     } }

사용방법

?

var request = new Request(); alert(request.getParameter("os"));