Add days to date using javascript

Question

I am trying to add days to a given date using javascript. I have the following code

function onChange(e) {
    var datepicker = $(\"#DatePicker\").val();
           


        

Answer 1

function onChange(e) {
    var datepicker = $("#DatePicker").val().split("/");
    var joindate = new Date();
    var numberOfDaysToAdd = 1;
    joindate.setFullYear(parseInt(datepicker[2]), parseInt(datepicker[1])-1, parseInt(datepicker[0])+numberOfDaysToAdd);
    $('.new').val(joindate);
}

http://jsfiddle.net/roberkules/k4GM5/