workingHoursBetweenTimes, tính giờ làm việc, giờ làm thêm (ok)

function workingHoursBetweenTimes(startDate, endDate) {
   var minutesWorked = 0;
   var minutesOT = 0;
   if (endDate <= startDate) {
      return 0;
   }
   while (startDate < endDate) {
      var currentTime = startDate.getHours() + (startDate.getMinutes() / 60);
      if (currentTime >= 8.5 && currentTime < 17.5 && (currentTime < 12 || currentTime >= 13)) {
         minutesWorked++;
      }
      if (currentTime >= 17.75) {
         minutesOT++;
      }
      startDate.setTime(startDate.getTime() + 1000 * 60);
   }
   return { worked: Math.round(minutesWorked / 60 * 100) / 100, ot: Math.round(minutesOT / 60 * 100) / 100 };
}
var times = workingHoursBetweenTimes(new Date("01/01/2022 " + "13:00"), new Date("01/01/2022 " + "18:00"));
console.log(times);