完成完成啦
<!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 mydate=new Date();
var mynum=mydate.getDay();
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");
document.write(mydate.getMonth()+1+"月");
document.write(mydate.getDate()+"日");
document.write(weekday[mynum]+"<br/>");
//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 newStr = scoreStr.split(";");
var tempStr =new Array(2);
var Sum=0;
for(var i=0;i<newStr.length;i++)
{ tempStr = newStr[i].split(":");
Sum+=parseInt(tempStr[1]);
}
document.write(Sum);
//从数组中将成绩撮出来,然后求和取整,并输出。
</script>
</head>
<body>
</body>
</html>