网站搜索 年末优惠活动

function countdown(endDate) {
    const days = document.getElementById('days');
    const hours = document.getElementById('hours');
    const minutes = document.getElementById('minutes');
    const seconds = document.getElementById('seconds');

    function updateCountdown() {
        const now = new Date().getTime();
        const distance = endDate - now;

        if (distance < 0) {
            clearInterval(interval);
            days.innerHTML = "00";
            hours.innerHTML = "00";
            minutes.innerHTML = "00";
            seconds.innerHTML = "00";
            return;
        }

        const daysLeft = Math.floor(distance / (1000 * 60 * 60 * 24));
        const hoursLeft = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
        const minutesLeft = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
        const secondsLeft = Math.floor((distance % (1000 * 60)) / 1000);

        days.innerHTML = daysLeft.toString().padStart(2, '0');
        hours.innerHTML = hoursLeft.toString().padStart(2, '0');
        minutes.innerHTML = minutesLeft.toString().padStart(2, '0');
        seconds.innerHTML = secondsLeft.toString().padStart(2, '0');
    }

    updateCountdown();
    const interval = setInterval(updateCountdown, 1000);
}

// 设置优惠活动结束时间（例如：2023年12月31日23时59分59秒）
const endDate = new Date('2023-12-31T23:59:59').getTime();
countdown(endDate);