add days to a date using jquery

add days to a date using jquery

Hi,
I want to add days to a particular date using jquery
following is my code
  1. var days = 15
                              var sdate = 01-Aug-2016;
                              /
                              var date = new Date(sdate);
                              var newdate = new Date(date);
                              newdate.setDate(newdate.getDate()+15);
                              var nd = new Date(newdate);                          alert(nd);

iam getting invalid date as output


How to solve this


Regards

Baiju