Date object for processing date and time.
Create a Date object: new Date ()
following the same method can create a Date object:
var d = new Date();
var d = new Date(milliseconds);
var d = new Date(dateString);
var d = new Date(year, month, day, hours, minutes, seconds, milliseconds);
//-----------------------------------------
new Date("January 12,2006 22:19:35");
new Date("January 12,2006");
new Date(2006,0,12,22,19,35); // new Date("2006/1/22 22:19:35") 兼容ie8
new Date(2006,0,12);
new Date(1137075575000);
上面的各种创建形式都表示2006 年1月12日这一天。