function addDays(date, days) {
let result = new Date(date);
result.setDate(result.getDate() + days);
return result;
}
function formatDate(date) {
return (date.getMonth() + 1) + '/' + date.getDate() + '/' + date.getFullYear();
}
const dt = formatDate(addDays(new Date(), 3));
console.log(dt);
/*
run:
"1/28/2021"
*/