<!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 mydate=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"];
document.write(mydate);
var myyear=mydate.getFullYear();
var mymonth=mydate.getMonth();
var week=weekday[mydate.getDay()];
document.write(myyear+"年"+(mymonth+1)+"月"+mydate.getDate()+"日"+" "+week);
//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 scorearray=scoreStr.split(";");
var count=0;
for(var i=0; i<scorearray.length; i++){
count=count+parseInt(scorearray[i].substr(indexOf(":")+1));
}
document.write("班级总成绩为:"+count);
document.write("班级平均分为:"+count/scorearray.length);
//从数组中将成绩撮出来,然后求和取整,并输出。
</script>
</head>
<body>
</body>
</html>
打开App,阅读手记