http://blog.csdn.net/ufo00001/article/details/72834437
//get current timestamp
var timestamp = Date.parse(new Date());
timestamp = timestamp / 1000;
console.log("The current timestamp is: " + timestamp);
//get current time
var n = timestamp * 1000;
var date = new Date(n);
//year
var Y = date.getFullYear();
//moon
var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1);
//day
var D = date.getDate() < 10 ? '0' + date.getDate() : date.getDate();
//Time
var h = date.getHours();
//Minute
var m = date.getMinutes();
//Second
var s = date.getSeconds ();
console.log("当前时间：" +Y+M+D+h+":"+m+":"+s);
//Convert to time format string
console.log(date.toDateString());
console.log(date.toGMTString());
console.log(date.toISOString());
console.log(date.toJSON());
console.log(date.toLocaleDateString());
console.log(date.toLocaleString());
console.log(date.toLocaleTimeString());
console.log(date.toString());
console.log(date.toTimeString());
console.log(date.toUTCString());
//Add and subtract time and timestamp to add one day as an example, you must be smart by analogy
//Add a day's timestamp:
var tomorrow_timetamp = timestamp + 24 * 60 * 60;
//Add the time of day:
var n_to = tomorrow_timetamp * 1000;
var tomorrow_date = new Date(n_to);
//add the year after one day
var Y_tomorrow = tomorrow_date.getFullYear();
// month after adding one day
var M_tomorrow = (tomorrow_date.getMonth() + 1 < 10 ? '0' + (tomorrow_date.getMonth() + 1) : tomorrow_date.getMonth() + 1);
//Add the date after one day
var D_tomorrow = tomorrow_date.getDate() < 10 ? '0' + tomorrow_date.getDate() : tomorrow_date.getDate();
//Add the time after one day
var h_tomorrow = tomorrow_date.getHours();
// add minutes after one day
var m_tomorrow = tomorrow_date.getMinutes();
//Add seconds after one day
var s_tomorrow = tomorrow_date.getSeconds();