Javascript Data Type How to - Add X days to the specified date

Question

We would like to know how to add X days to the specified date.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
<!--from   w w w  . j a  va2 s .co m-->
var days_to_add = 5;
var $myyear = 2012;
var $mymonth = 11;
var $myday = 29;
var date = new Date($myyear,$mymonth-1,$myday);
date.setDate(date.getDate()+(days_to_add));
document.write(
         (date.getDate()<10 ? "0" : "") + date.getDate()
         +'/'+
         (date.getMonth()<9 ? "0" : "") + (date.getMonth()+1)
         +'/'+
         date.getFullYear() 
    );

</script>
</head>
<body>
</body>
</html>

The code above is rendered as follows: