JavaScript实现简单日期特效

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JavaScript之日期特效的具体代码，供大家参考，具体内容如下

直接上代码：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        *{
            padding: 0;
            margin: 0;
        }
        #date{
            width: 450px;
            height: 300px;
            background-color: darkorange;
            border-radius: 10px;
            margin: 100px auto;
        }
        #nowDate{
            width: 450px;
            height: 60px;
            line-height: 60px;
            text-align: center;
            color: #fff;
            font-size: 26px;
        }
        #day{
            width: 200px;
            height: 200px;
            line-height: 200px;
            background-color: orchid;
            margin: 0 auto;
            text-align: center;
        }
    </style>
</head>
<body>
    <div id="date">
        <p id="nowDate"></p>
        <p id="day"></p>
    </div>
    <script type="text/javascript">
        // 获取标签
        var nowDate = document.getElementById("nowDate");
        var day = document.getElementById("day");

        // 用定时器 更新时间的变化
        setInterval(nowNumTime,1000);

        nowNumTime();

        function nowNumTime(){
            var now = new Date();
            var hour = now.getHours();
            var minute = now.getMinutes();
            var second = now.getSeconds();
            var temp = '' + (hour>12 ? hour-12:hour);
            var year = now.getFullYear();
            var month = now.getMonth();
            var d = now.getDate();
            var week = now.getDay();

            console.log(week);  //索引
            var weeks = ["星期天","星期一","星期二","星期三","星期四","星期五","星期六"];

            // console.log(temp);
            if (hour ===0){
                temp = '12';
            }
            temp = temp + (minute <10 ? ':0':":"+minute);
            temp = temp + (second <10 ? ':0':":"+second);
            temp = temp + (hour>=12 ? ' P.M.':' A.M.');
            temp = `${year}年${month}月${d}日 ${temp}${weeks[week]}`;
            // console.log(temp);
            nowDate.innerHTML = temp;
        }
    </script>
</body>
</html>

实现效果图：

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持极客世界。