function addKannma(number) {  var num = number + "";           num = num.replace(new RegExp(",","g"),"");   // 正负号处理            var symble = "";   if(/^([-+]).*$/.test(num)) {                symble = num.replace(/^([-+]).*$/,"$1");                num = num.replace(/^([-+])(.*)$/,"$2");            }   if(/^[0-9]+(\.[0-9]+)?$/.test(num)) {   var num = num.replace(new RegExp("^[0]+","g"),"");   if(/^\./.test(num)) {                num = "0" + num;                }   var decimal = num.replace(/^[0-9]+(\.[0-9]+)?$/,"$1");   var integer= num.replace(/^([0-9]+)(\.[0-9]+)?$/,"$1");   var re=/(\d+)(\d{3})/;  while(re.test(integer)){                    integer = integer.replace(re,"$1,$2");               }   return symble + integer + decimal;            } else {   return number;            }        }