案例展示 | Kenis

倒计时

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        ul {
            width: 300px;
            height: 70px;
            border: 1px solid black;
            text-align: center;
            margin: 50px auto;
        }
        ul li {
            list-style: none;
            margin-top: 10px;
            width: 50px;
            height: 50px;
            background-color: brown;
            color: #fff;
            line-height: 50px;
            font-size: 20px;
            display: inline-block;
        }
        h2 {
            text-align: center;
            margin-top: 50px;
        }
    </style>
</head>
<body>
    <h2>距离20250618还有这么多天</h2>
    <ul class="box">
        <li id="dayBox">xx</li>天
        <li id="hourBox">xx</li>时
        <li id="minutesBox">xx</li>分
        <li id="secondBox">xx</li>秒
    </ul>
    <script>
        // 获取天时分秒的函数
        function tsfm(end) {
            // 1. 获取当前时间和设置最终时间
            var now = new Date()
            var end = new Date(end)
            var arr = {}
            // 2. 获取时间差
            var timeDiff = Math.abs(now - end)
            // 3. 将时间戳转换成天时分秒
            var day = parseInt(timeDiff / 86400000)
            var hour = parseInt((timeDiff - (day * 86400000)) / 3600000)
            var minutes = parseInt((timeDiff - (day * 86400000) - (hour * 3600000)) / 60000)
            var second = parseInt((timeDiff - (day * 86400000) - (hour * 3600000) - (minutes * 60000)) / 1000)
            arr['day'] = day
            arr['hour'] = hour
            arr['minutes'] = minutes
            arr['second'] = second
            console.log(arr)
            return arr
        }
        // 修改li里的内容函数
        function changetime(end) {
            var arr1 = tsfm(end)
            dayBox.innerHTML = arr1.day
            hourBox.innerHTML = arr1.hour
            minutesBox.innerHTML = arr1.minutes
            secondBox.innerHTML = arr1.second
            console.log('我执行了')
        }
        // 添加间隔定时器
        var end = '2025/06/04 00:00:00'
        changetime(end)
        var timeid1 = setInterval(changetime, 1000, end)
    </script>
</body>
</html>