表格平均值计算

$("#kong input").blur(function(a){
                    //var tnm = $(a.target).attr(‘name‘);
                    Getlmpj();
                    });

        function Getlmpj() {
                var avg = 0;
                var num1 = ChangeFloat($("#kongcuTr1C").val());
                var num2 = ChangeFloat($("#kongcuTr2C").val());
                var num3 = ChangeFloat($("#kongcuTr3C").val());
                var num4 = ChangeFloat($("#kongcuTr4C").val());
                var num5 = ChangeFloat($("#kongcuTr5C").val());
                var num6 = ChangeFloat($("#kongcuTr6C").val());
                if (num1 != 0 && num2 != 0 && num3 != 0 && num4 != 0 && num5 != 0 && num6 != 0) {
                    avg = (num1 + num2 + num3+num4+num5+num6) / 6;
                   $("#kongcuTraveC").val(RoundValue(avg,2));

                }
            } 

        function RoundValue(avg,num){
                return Math.round(avg*Math.pow(10,num))/ Math.pow(10, num);
            }

        function ChangeFloat(data) {
            if (data != null && data != "") {
                return parseFloat(data);
            }
            else {
                return 0;
            }
        }

#kong  ~id