<!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">
//通过javascript的日期对象来得到当前的日期,并输出。
var currentDate=new Date();
var weekdays=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
document.write(mydate.getFullYear() + "年"
+mydate.getMonth() + "月"
+mydate.getDate() + "日" + " "
+weekdays[mydate.getDay()];
//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 myarr=scoreStr.split(";");
var scores=new Array();
for(i=0;i<myarr.length;i++){
scores[i]=document.write(myarr[i].substr(3,2));
//document.write("e"); for test
}
//从数组中将成绩撮出来,然后求和取整,并输出。
var sum=0;
var averg=0;
for(i=0;i<myarr.length;i++){
sum=sum+scores[i];
}
averg=parseInt(sum/myarr.length);
document.write("--"+"班级总分为:"+averg);
</script>
</head>
<body>
</body>
</html>