<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>T67-输出平均分，当天日期</title>
</head>
<body>
</body>
<script type="text/javascript">
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 scoreStrs = scoreStr.split(";");
// console.log("scoreS:"+scoreStrs);
var b=0;
for(i=0;i<scoreStrs.length;i++){
var a=scoreStrs[i].split(":");
// console.log("a:"+a);
b=b+parseInt(a[1]);
// console.log("b:"+b);
}
var c=Math.round(b/scoreStrs.length);
document.write("平均分是："+c);
</script>
</html>