js中年份、月份下拉框

<select id="year" style=" 100px;"></select>

<select id="month" style=" 100px;"></select>

　　　　//初始化年
            var now = new Date();
            var nowYear = now.getFullYear();
            for (var i = nowYear;i <= nowYear+10; i++) {
                var option = $("<option/>").val(i).text(i);
                $('#year').append(option);
            }
            $('#year').val(nowYear);

            //初始化月
            for (var i = 1;i <= 12; i++) {
             var j=i<10?'0'+i:i;
                var option = $("<option/>").val(j).text(j);
                $('#month').append(option);
            }
            var month = now.getMonth() + 1;
            month = month < 10 ? '0' + month : month;
            $('#month').val(month);