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<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 day=new Date();
var week=parseInt(day.getDay());
var year=day.getFullYear();
var mon=day.getMonth()+1; //月份及天数都是从0开始计算，所以要加1
var day=day.getDay()+1;
var arr=["日","1","2","3","4","5","6"];
document.write(year+"年"+mon+"月"+day+"日"+" "+"星期"+arr[week]+"<br>");
//成绩是一长串的字符串不好处理，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 fg=scoreStr.split(";")
var sum=0;
for(var i=0;i<fg.length;i++)
{
var j=parseInt(fg[i].substr(3,5))
sum+=j;
}
document.write("班级总分数："+sum+" ")
document.write("班级平均分:"+sum/fg.length);//从数组中将成绩撮出来，然后求和取整，并输出。
</script>
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<body>
</body>
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