// 获取当前时间戳(以s为单位)

var timestamp = Date.parse(new Date());timestamp = timestamp / 1000;//当前时间戳为：1403149534console.log("当前时间戳为：" + timestamp);

// 获取某个时间格式的时间戳

var stringTime = "2014-07-10 10:21:12";var timestamp2 = Date.parse(new Date(stringTime));timestamp2 = timestamp2 / 1000;//2014-07-10 10:21:12的时间戳为：1404958872 console.log(stringTime + "的时间戳为：" + timestamp2);

// 将当前时间换成时间格式字符串

var timestamp3 = 1403058804;var newDate = new Date();newDate.setTime(timestamp3 * 1000);// Wed Jun 18 2014 console.log(newDate.toDateString());// Wed, 18 Jun 2014 02:33:24 GMT console.log(newDate.toGMTString());// 2014-06-18T02:33:24.000Zconsole.log(newDate.toISOString());// 2014-06-18T02:33:24.000Z console.log(newDate.toJSON());// 2014年6月18日 console.log(newDate.toLocaleDateString());// 2014年6月18日 上午10:33:24 console.log(newDate.toLocaleString());// 上午10:33:24 console.log(newDate.toLocaleTimeString());// Wed Jun 18 2014 10:33:24 GMT+0800 (中国标准时间)console.log(newDate.toString());// 10:33:24 GMT+0800 (中国标准时间) console.log(newDate.toTimeString());// Wed, 18 Jun 2014 02:33:24 GMTconsole.log(newDate.toUTCString());

Date.prototype.format = function(format) {       var date = {              "M+": this.getMonth() + 1,              "d+": this.getDate(),              "h+": this.getHours(),              "m+": this.getMinutes(),              "s+": this.getSeconds(),              "q+": Math.floor((this.getMonth() + 3) / 3),              "S+": this.getMilliseconds()       };       if (/(y+)/i.test(format)) {              format = format.replace(RegExp.$1, (this.getFullYear() + '').substr(4 - RegExp.$1.length));       }       for (var k in date) {              if (new RegExp("(" + k + ")").test(format)) {                     format = format.replace(RegExp.$1, RegExp.$1.length == 1                            ? date[k] : ("00" + date[k]).substr(("" + date[k]).length));              }       }       return format;}

//最后调用

console.log(newDate.format('yyyy-MM-dd h:m:s'));