//獲取當前時間：
  var myDate = new Date();//當前時間
  var year = myDate.getFullYear();//當前年份
  var month = myDate.getMonth() + 1;//當前月份
  var day = myDate.getDate();//當前日
  myDate.getYear();        //獲取當前年份(2位)
    myDate.getFullYear();    //獲取完整的年份(4位,1970-????)
    myDate.getMonth();       //獲取當前月份(0-11,0代表1月)
    myDate.getDate();        //獲取當前日(1-31)
    myDate.getDay();         //獲取當前星期X(0-6,0代表星期天)
    myDate.getTime();        //獲取當前時間(從1970.1.1開始的毫秒數(shù))
    myDate.getHours();       //獲取當前小時數(shù)(0-23)
    myDate.getMinutes();     //獲取當前分鐘數(shù)(0-59)
    myDate.getSeconds();     //獲取當前秒數(shù)(0-59)
    myDate.getMilliseconds();    //獲取當前毫秒數(shù)(0-999)
    myDate.toLocaleDateString();     //獲取當前日期
    var mytime=myDate.toLocaleTimeString();     //獲取當前時間
    myDate.toLocaleString( );        //獲取日期與時間
  var oneDay = 1000 * 60 * 60 * 24;
//獲取最近一周的日期
  var lastDate = new Date(myDate - oneDay * 6);
  var lastYear = lastDate.getFullYear();
  var lastMonth = lastDate.getMonth() + 1;
  var lastDay = lastDate.getDate();
//獲取當前月的最后一天
  var day = new Date(year ,month , 0);
  var lastdate = day.getDate();//當前月的最后一天
//獲取最近N個月的日期  
   var lastDate = new Date(myDate - oneDay * myDate.getDate());
   lastDate = new Date(lastDate - N * oneDay * (lastDate.getDate() - 1));
   var lastYear = lastDate.getFullYear();
   var lastMonth = lastDate.getMonth() + 1;
   var lastDay = lastDate.getDate();
//字符串轉(zhuǎn)換為時間戳
   var date="2014-12-06";
   date = new Date(Date.parse(date.replace(/-/g, "/")));
   date = date.getTime();