求助大神这么写为什么不行
<!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 date=new Date();
var weekDays = ["星期日","星期一",
"星期二","星期三","星期四","星期五","星期六"]
document.write(date.getFullYear()+"年"
+date.getMonth()+"月"
+date.getDay()+"日"
+weekDays[day.getDay()]);
var arr=[[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 i;
var sum=0;
for(i=0;i<10;i++)
{
sum+=arr[i][1];
}
document.write(sum)
</script>
</head>
<body>
</body>
</html>
