没有显示结果

源自：7-23 编程练习

<!DOCTYPE HTML>

<html >

<head>

<title>系好安全带,准备启航</title>

var newdate=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"];

document.write(

newdate.getFullYear()+"年"+(newdate.getMonth()+1)+"月"+newdate.getDate()+"日"+" "+weekday[newdate.getDay()]);

//成绩是一长窜的字符串不好处理，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 newscoreStr=scoreStr.split(";");

//从数组中将成绩撮出来，然后求和取整，并输出。

var sum=0;

for(var i=0;i<newscoreStr.length;i++)

{

sum+=parseInt(newscoreStr[i].substr(newscoreStr[i].indexOf(":")+1));

}

document.write("--班级总分为"+sum+<br/>);

document.write("班级平均分为"+Math.round(sum/newscoreStr.length));

</script>

</head>

<body>

</body>

</html>

提问者：Yeungchiho 2018-10-27 14:18