using momentjs to add a month to date code example
Example 1: moment js add day
var new_date = moment(startdate, "DD-MM-YYYY").add(5, 'days');
Example 2: moment js get date 1 month
var currentDate = moment('2015-10-30');
var futureMonth = moment(currentDate).add(1, 'M');
var futureMonthEnd = moment(futureMonth).endOf('month');
if(currentDate.date() != futureMonth.date() && futureMonth.isSame(futureMonthEnd.format('YYYY-MM-DD'))) {
futureMonth = futureMonth.add(1, 'd');
}
console.log(currentDate);
console.log(futureMonth);