获得当前日期

  function getDate()
  {
  var todayDate = new Date();
    day = todayDate.getDate();
 month= todayDate.getMonth() +1;
 year= todayDate.getYear()+1900;

 document.write(1900+year);
 
 document.write(month);

 document.write(date);
 return day+"-"+year+"-"+month;

  }