addOneDay() { var adddate = new Date(); // add a day adddate.setDate(adddate.getDate() + 1); } code example

Example: javascript add days to date

var myCurrentDate=new Date();
var myFutureDate=new Date(myCurrentDate);
    myFutureDate.setDate(myFutureDate.getDate()+ 8);//myFutureDate is now 8 days in the future