?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"];

? var month=["1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月"];

? 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 str=scoreStr.split(";");

?//成績(jī)是一長(zhǎng)竄的字符串不好處理，找規(guī)律后分割放到數(shù)組里更好操作哦

? for(var i=0,sum=0;i<str.length;i++){

? ? var myarr=new Array();

? ? myarr[i]=str[i].slice(3);

? ? sum=sum+parseInt(myarr[i]);?

? }

? var myavg=sum/str.length;

? document.write(mydate.getFullYear() +"年"+month[mydate.getMonth()]+mydate.getDay()+"日"+"&nbsp");

? document.write(weekday[mydate.getDay()]+"--班級(jí)總分為:"+ Math.floor(myavg));