平均分哪不对
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<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 week=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"]
document.write(date.getFullYear()+"年");
document.write(date.getMonth()+"月");
document.write(date.getDate()+"日");
document.write(week[date.getDay()]+"<br/>");
//定义数组对象,给每个数组项赋值
//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";
document.write(scoreStr.split(":")+"<br/>");
var n=0;
var sum=new Array();
sum=[87,81,97,76,74,94,90,76,64,76];
for(var i=0;i<sum.length;i++){
var n+=sum[i];
}
document.write(n/sum.length);
//从数组中将成绩撮出来,然后求和取整,并输出。
</script>
</head>
<body>
</body>
</html>