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<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 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"+(date.getMonth()+1)+"月"+date.getDate()+"日");
document.write(week[date.getDay()]);
//document.write("<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 su = scoreStr.split(";");
var sum = 0,gg=0;
var string = su.join(":");
var sz = string.split(":");
for(var i =0;i<sz.length;i++){
if((i%2) != 0){
sum = sum+parseInt(sz[i]);
gg=gg+1;
}
}
var f = sum/gg;
document.write("--班级总分为"+sum+"平均分为"+f);
//从数组中将成绩撮出来,然后求和取整,并输出。
</script>
</head>
<body>
</body>
</html>
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