js 时间YYYY-MM-DD转换为YYYY/MM/DD 自定义函数格式

<script type="text/javascript">

        window.onload = function () {

            var NumArray = [];

            while (NumArray.length < 6) {

                var NumRand = parseInt(Math.random() * 15) + 10;

                var IsCun = 0;

                for (var i = 0; i < NumArray.length; i++) {

                    if (NumArray[i] == NumRand) {

                        IsCun = 1;

                    }

                }

                if (IsCun == 0) {

                    NumArray[NumArray.length] = NumRand;

                }

            }

            for (var j = 0; j < NumArray.length; j++) {

                document.write(NumArray[j] + "<br/>");

            }

            var DateStr = "2014-01-28";

            var myDate = new Date(DateStr);

            document.write("时间为1：" + myDate.getFullYear() + "/" + (myDate.getMonth() + 1) + "/" + myDate.getDate() + "<br/>");

            document.write("时间为2：" + ConverToDates(DateStr) + "<br/>");

            document.write("时间为3：" + ConverToDate(DateStr) + "<br/>");

        }

        //自定义函数1 时间转换

        function ConverToDates(DateStr) {

            var myDate = new Date(DateStr);

            var strDate = myDate.getFullYear() + "/" + (myDate.getMonth() + 1) + "/" + myDate.getDate();

            return strDate;

        }

  //自定义函数2 时间转换

        function ConverToDate(DateStr) {

            if (/^\d{4}-\d{2}-\d{2}$/.test(DateStr)) {

                var date = DateStr;

                DateStr = date.replace(/\-/g, "/");

            }

            return DateStr;

        }

    </script>