function addSecondstoDate(seconds, date = new Date()) {
date.setSeconds(date.getSeconds() + seconds);
return date;
}
const date = new Date('2022-03-08T10:19:31');
console.log(addSecondstoDate(40, date).toString());
/*
run:
Tue Mar 08 2022 10:20:11 GMT+0000 (Coordinated Universal Time)
*/