<!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 date=new Date();
var weekday=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
var numday=date.getDay();
var x,y,z;
x=date.getFullYear() + "年";
y=date.getMonth()+1 + "月";
z=date.getDate()+ "日";
document.write(x+y+z+" "+weekday[numday]);//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 arr=scoreStr.split(";");
var sum=0;
var k=0;
for(var i=0;i<=arr.length;i++)
{
var index=arr[i].indexOf(':');
sum+=parseInt(arr[i].substr(index+1,2));
}
//从数组中将成绩撮出来,然后求和取整,并输出。
document.write("--班级总分为:"+sum);
</script>
</head>
<body>
</body>
</html>
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