Weekdays

weekdays.js

(() => {
  const DAY = 3600 * 1000 * 24;
  const today = new Date();
  const monday = today.getTime() + (1 /* Monday */ - today.getDay()) * DAY;

  const weekdays = [
    "sun",
    "mon",
    "tue",
    "wed",
    "thu",
    "fri",
    "sat"
  ];


  const days = Array.from({ length: 7 }).map((_, index) => {
    const day = new Date(monday + index * DAY);
    return `${day.getDate()}.${day.getMonth() + 1} (${weekdays[day.getDay()]}) `;
  });

  const records = ["------- ( --> / )", ...days.reverse(), "-------\n", ""];

  console.log(records.join("\n"));
})();