//添加生日 年月日下來框數據
var selyear = $("#birthYear");
var selmonth = $("#birthMonth");var selday = $("#birthDay");
var d = new Date();
var vMonth = d.getMonth() + 1;
var vDay = d.getDate();
var vYear = d.getYear(); //當前年
vYear += (vYear < 2000) ? 1900 : 0;
for (var i = vYear - 68; i < vYear - 18; i++) {
var option = $("<option>").val(i).text(i);
selyear.append(option);
};
for (var i = 1; i < 13; i++) {
var option = $("<option>").val(i).text(i);
selmonth.append(option);
};
selmonth.change(function () {
var p1 = $(this).children('option:selected').val(); //這就是selected的值
var p2 = selyear.val(); //獲取本頁面其他標籤的值
var day = new Date(p2, p1, 0); //年 月
var daycount = day.getDate(); //獲取天數
for (var i = 1; i <= daycount; i++) {
var option = $("<option>").val(i).text(i);
selday.append(option);
}
})