'; } for (let i = 0; i < daysInMonth; i++) { const dateElement = document.createElement('div'); dateElement.innerText = dayIndex; if (dayIndex === today.getDate() && month === today.getMonth() && year === today.getFullYear()) { dateElement.classList.add('today'); } calendarDays.appendChild(dateElement); dayIndex++; } } function changeMonth(delta) { currentMonth += delta; if (currentMonth < 0) { currentMonth = 11; currentYear--; } else if (currentMonth > 11) { currentMonth = 0; currentYear++; } generateCalendar(currentMonth, currentYear); } prevMonthButton.addEventListener('click', () => changeMonth(-1)); nextMonthButton.addEventListener('click', () => changeMonth(1)); generateCalendar(currentMonth, currentYear); });