<!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"> var date1=new Date() var date2=["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"]; document.write(date1.getFullYear()+"年"+date1.getMonth()+"月"+date1.getDay()+"日"+","+date2[date1.getDay()]+"<br/>") 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 Arr=scoreStr.split(";"); var sum=0 for(var i=0;i<Arr.length;i++) {sum+=parseInt(Arr[i].substr(Arr[i].indexOf(":")+1))}; document.write("--班级总分为"+sum); document.write("班级平均分为："+Math.round(sum/Arr.length)+"<br/>")</script></head><body></body></html>明明今天是 4月7，显示的是3月4
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