（Date）打开页面的时候在页面上使用中文显示当天的日期和星期（即“星期几“）

 function newTime() {
            var date = new Date();
            var F = date.getFullYear();
            F = F < 10 ? "0" + F : F;
            var Mo = date.getMonth() + 1;
            Mo = Mo < 10 ? "0" + Mo : Mo;
            var D = date.getDate();
            D = D < 10 ? "0" + D : D;
            var H = date.getHours();
            H = H < 10 ? "0" + H : H;
            var M = date.getMinutes();
            M = M < 10 ? "0" + M : M;
            var S = date.getSeconds();
            S = S < 10 ? "0" + S : S;

            var arr = ["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"]
            var day = date.getDay();
            return F + "年" + Mo + "月" + D + "日" + arr[day] + H + ":" + M + ":" + S
        }

        document.write(newTime())