日期可以运行,总分部分运行不了,大神们帮忙看看
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<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 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"];
document.write(mydate.getFullYear()+"年"+mydate.getMonth()+"月"+mydate.getDate()+"日"+" "+weekday[mydate.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 myarr=scoreStr.split(";");
//从数组中将成绩撮出来,然后求和取整,并输出。
var sum;
var average;
for(var a=0;a<myarr.length;a++)
{
sum+=parseInt(myarr.slide(3));
}
average=(sum)/myarr.length;
document.write("总分是:"+sum+"<br/>");
document.write("平均分是:"+Math.round(average));
</script>
</head>
<body>
</body>
</html>