分享一下自己写的
<!DOCTYPE HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>系好安全带,准备启航</title>
<script type="text/javascript">
//通过javascript的日期对象来得到当前的日期,并输出。
var date=new Date();
var year=date.getFullYear();
var month=date.getMonth()+1;
var day=date.getDate();
var week=date.getDay();
var weekarray=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
var weekday=weekarray[week];
document.write(year+"年"+month+"月"+day+"日 "+weekday+"<br>");
//成绩是一长窜的字符串不好处理,找规律后分割放到数组里更好操作哦
var scoreStr = "小明:87;小花:81;小红:97;小天:76;小张:74;小小:94;小西:90;小伍:76;小迪:64;小曼:76";
var score=scoreStr.split(";");
document.write(score+"<br>");
var sco=new Array();
var len=score.length;
document.write(len+"<br>");
var sum=0;
for(var i=0;i<len;i++){
var scor=score[i].split(":");
document.write(scor+"<br>");
sco[i]=scor[1];
sum=sum+parseInt(sco[i]);
}
//从数组中将成绩撮出来,然后求和取整,并输出。
document.write("班级平均分为:"+Math.round(sum/len));
</script>
</head>
<body>
</body>
</html>