var now=new Date();//創建當前時間
var birth=new Date("1989/11/23");//創建方法1
var birth2=new Date(1989,10,23);//創建方法2
var birth3=new Date(birth2.getTime());//創建方法3
var days=parseInt((now-birth)/1000/60/60/24);
var days2=parseInt((now-birth)/1000/60/60/24);
var days3=parseInt((now-birth)/1000/60/60/24);
console.log(days);
console.log(days2);
console.log(days3);
console.log(birth3.getFullYear()); //1989
console.log(birth3.getMonth()); //10 ,也就是11月
