var date=new Date();
var week=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
var weekday=date.getDay();
document.write(date.getFullYear()+"年"+(date.getMonth()+1)+"月"+date.getDate()+"日"+" "+week[weekday]+"<br>");
b= "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 arr=b.split(";")
for(var i=0;i<arr.length;i++)
{
document.write(arr[i]+"<br/>");
}
var sum=0;
for (var i=0;i<arr.length;i++)
{
sum = sum + parseInt(arr[i].slice(3));
}
document.write("该班级的整数:"+sum+"<br/>"+"该班级的平均数:"+parseInt(sum/arr.length));
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