//Date.now() is in ECMAScript 5
//Prior to that, use +new Date()
var now = (typeof Date.now == "function" ? Date.now() : +new Date());
console.log("Right now: " + now);
//January 1, 2000 at midnight in local time
var y2k = new Date(2000, 0);
console.log(y2k.toLocaleString());
//May 5, 2005 at 5:55:55 PM in local time 月份从0开始，即：0 ==> 1月；1==>2月...
var allFives = new Date(2005, 4, 5, 17, 55, 55);
console.log(allFives.toLocaleString());
var now = new Date();
cosnole.log(now);
var someDate = new Date(Date.parse("May 25, 2004"));
cosnole.log(someDate);
//January 1, 2000 at midnight
var y2k = new Date(Date.UTC(2000, 0));
console.log(y2k.toUTCString());
//May 5, 2005 at 5:55:55 PM GMT
var allFives = new Date(Date.UTC(2005, 4, 5, 17, 55, 55));
console.log(allFives.toUTCString());