JS两日期相减,获得天数的小例子(兼容IE,FF)_javascript技巧

objDate1 = new Date();
objDate2 = new Date();

arrDate = $("#开始日期").val().split("-");
objDate1.setFullYear(arrDate[0], arrDate[1], arrDate[2]);

arrDate = $("#结束日期").val().split("-");
objDate2.setFullYear(arrDate[0], arrDate[1], arrDate[2]);

intDays = parseInt(Math.abs(objDate1 - objDate2) / 1000 / 60 / 60 / 24);

$("#天数").val(intDays + 1);
}