JS: 随机点名程序与万年历

2024-10-08 14:54:57

随机点名程序

document.write(Math.random());
var stu = ["张三", "王五", "张二", "张一", "石大", "郭三", "冯二", "平五"];
var ran = Math.random();
var ran = ran * stu.length;
var ran = Math.floor(ran);
document.write(stu[ran]);

万年历

<!DOCTYPE html>
<html>
<head>
　 <meta charset="UTF-8">
　 <title></title>
</head>
<body>
　 <div id="time"></div>
</body>
</html>
<script>
function wnl() {

var time = new Date();
       var year = time.getFullYear();
       var month = time.getMonth() + 1;
       var day = time.getDate();
       var hour = time.getHours();
       if (hour<10){
           hour1=hour;
           hour="0"+hour1;
       }
       var min = time.getMinutes();
       if (min<10){
           min1=min;
           min="0"+min1;
       }
       var sec = time.getSeconds();
       if (sec<10){
           sec1=sec;
           sec="0"+sec1;
       }
       var time_str = year + "年" +
           month + "月" +
           day + "日" +
           "   " +
           hour + ":" +
           min + ":" +
           sec;
       document.getElementById("time").innerHTML =
           time_str;
   }

var x = window.setInterval("wnl()", 500);
</script>

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