<script?type="text/javascript">
var?weekday?=["星期日","星期一","星期二","星期三","星期四","星期五","星期六",];
var?nowdate?=new?Date();
var?day?=nowdate.getDate();
var?w???=nowdate.getDay();
var?wday=weekday[w];
var?mon?=nowdate.getMonth();
var?year=nowdate.getFullYear();??
//通過javascript的日期對象來得到當前的日期，并輸出。?
document.write(year+"年"+mon+"月"+day+"日"+"&nbsp;&nbsp;"+wday+"--班級總分為：")???
//成績是一長竄的字符串不好處理，找規(guī)律后分割放到數(shù)組里更好?
//從數(shù)組中將成績撮出來，然后求和取整，并輸出。
var?scoreStr?=?"小明:87;小花:81;小紅:97;小天:76;小張:74;小小:94;小西:90;小伍:76;小迪:64;小曼:76";
var?f?=?scoreStr.split(";");
var?k=0,sum=0;
var?s;?
while?(k<f.length){????
????s=f[k].split(":");????
????k++;????
????sum+=parseInt(s[s.length-1]);
?}????
????document.write(sum/f.length);
</script>