Answers for "add zero before month javascript"

js number add zero before

('0' + 11).slice(-2) // '11'
('0' + 4).slice(-2)  // '04'

Javascript add leading zeroes to date

var MyDate = new Date();
var MyDateString;

MyDate.setDate(MyDate.getDate() + 20);

MyDateString = ('0' + MyDate.getDate()).slice(-2) + '/'
             + ('0' + (MyDate.getMonth()+1)).slice(-2) + '/'
             + MyDate.getFullYear();