js date add 1 day

let date = new Date();
// add a day
date.setDate(date.getDate() + 1);

function addDays(date, days) {
  var result = new Date(date);
  result.setDate(result.getDate() + days);
  return result;
}

function addDays(date, days) {
  const copy = new Date(Number(date))
  copy.setDate(date.getDate() + days)
  return copy
}

const date = new Date();
const newDate = addDays(date, 10);

var date = new Date();

// add a day
date.setDate(date.getDate() + 1);