可以看看哪里不对?大神们
<!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">
var currentDate=new Date()
var weekend=["星期天","星期一","星期二","星期三","星期四","星期五","星期六"]
document.write(currentDate.getFullYear()+"年"+currentDate.getMonth()+"月"+currentDate.getDate()+"日"+""+weekend[currentDate.getDay()]);
//通过javascript的日期对象来得到当前的日期,并输出。
//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 newarr=scoreStr.split(";")
var sum=0
var avg
for(var i=0;i< newarr.length;i++){
sum = sum + parseInt(newarr[i].slice(3));
avg=sum/ newarr.length;
document.write(parseInt(avg));
//从数组中将成绩撮出来,然后求和取整,并输出。
</script>
</head>
<body>
</body>
</html>