企业应用11.11活动

// HTML部分
<div id="countdown"></div>

// JavaScript部分
function startCountdown(endTime) {
    const countdownElement = document.getElementById('countdown');
    const interval = setInterval(() => {
        const now = new Date().getTime();
        const distance = endTime - now;

        if (distance < 0) {
            clearInterval(interval);
            countdownElement.innerHTML = "活动结束";
            return;
        }

        const days = Math.floor(distance / (1000 * 60 * 60 * 24));
        const hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
        const minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
        const seconds = Math.floor((distance % (1000 * 60)) / 1000);

        countdownElement.innerHTML = `${days}天 ${hours}小时 ${minutes}分钟 ${seconds}秒`;
    }, 1000);
}

// 假设活动结束时间为2023年11月11日23:59:59
const endTime = new Date('2023-11-11T23:59:59').getTime();
startCountdown(endTime);