Date | max

const maxDate = (...dates) => new Date(Math.max.apply(null, ...dates));

const array = [
  new Date(2022, 1, 15),
  new Date(2021, 8, 5),
  new Date(2022, 8, 22),
  new Date(2019, 3, 31)
];
maxDate(array); // 2022-08-22T00:00:00.000Z