没有显示结果
<!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"> //通过javascript的日期对象来得到当前的日期,并输出
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>