30-seconds-of-code/snippets/isWeekday.md

isWeekday

Results in a boolean representation of a specific date.

Pass the specific date object firstly. Use Date.getDay() to check weekday then return a boolean.

const isWeekday = (t = new Date()) => {
  return t.getDay() >= 1 && t.getDay() <= 5;
};

isWeekday(); // true (if current date is 2019-07-19)