javascript change timestamp value '1434460015' to 'y-m-d' -

i know how change date readable format in php below

$jobpostdate = date("y-m-d", '1434460015'); 

how can same thing javascript if have unix timestamp value 1434460015 or other unix timestamp value value , have within ajax success function, can syntax?

simple use

 new date(1434460015000) //if it's in second convert millisecond *1000  

for format need in manual way

    var today=new date(1434460015000);       var dd = today.getdate();          var mm = today.getmonth()+1; //january 0!                var yyyy = today.getfullyear();          if(dd<10){              dd='0'+dd          }           if(mm<10){              mm='0'+mm          }             var today = dd+'/'+mm+'/'+yyyy;  alert(today);