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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 day = 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(
day.getFullYear() + "年" +
(day.getMonth() + 1) + "月"+
day.getDate() + "日"+
weekday[day.getDay()] + "班级总分为:"+ sum + " " + "平均分为:"+ b
)
//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 list = scoreStr.split(";")
//从数组中将成绩撮出来,然后求和取整,并输出。
var sum = 0
var b = 0
for(var i = 0; i < list.length; i++){
sum += parseInt(list[i].substr(list[i].indexOf(":")+1))
}
b = sum / list.length
</script>
</head>
<body>
</body>
</html>