Get difference between two dates

getDifferenceBetweenDays.js

function formatDateDifference(isoDateString) {
  const inputDate = new Date(isoDateString);
  const currentDate = new Date();

  const timeDifference = currentDate - inputDate;

  // Calculate the number of years
  const years = Math.floor(timeDifference / (365.25 * 24 * 60 * 60 * 1000));

  // Calculate the number of months
  const months = Math.floor(
    (timeDifference % (365.25 * 24 * 60 * 60 * 1000)) /
      (30.44 * 24 * 60 * 60 * 1000)
  );

  // Calculate the number of days
  const days = Math.floor(
    (timeDifference % (30.44 * 24 * 60 * 60 * 1000)) / (24 * 60 * 60 * 1000)
  );

  return `${years} years, ${months} months, ${days} days`;
}