<!DOCTYPE?HTML>
<html>
<head>
????<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"?/>
????<title>系好安全帶,準備啟航</title>
????<script?type="text/javascript">
????????var?yeaR?=?new?Date().getFullYear()
????????var?montH?=?new?Date().getMonth()
????????var?weeK?=?new?Date().getDay()
????????var?day1?=?new?Date().getDate()
????????switch?(weeK)?{
????????????case?1:
????????????????weekDay?=?'星期一'
????????????????break
????????????case?2:
????????????????weekDay?=?'星期二'
????????????????break
????????????case?3:
????????????????weekDay?=?'星期三'
????????????????break
????????????case?4:
????????????????weekDay?=?'星期四'
????????????????break
????????????case?5:
????????????????weekDay?=?'星期五'
????????????????break
????????????case?6:
????????????????weekDay?=?'星期六'
????????????????break
????????????case?0:
????????????????weekDay?=?'星期日'
????????????????break
????????}
????????month?=?parseInt(montH)?+?parseInt(1)
????????document.write(yeaR?+?'年'?+?month?+?'月'?+?day1?+?'日'?+?'???'?+?weekDay?+?'--班級總分為：')
????????//通過javascript的日期對象來得到當前的日期，并輸出。
????????var?total?=?0
????????//成績是一長竄的字符串不好處理，找規律后分割放到數組里更好操作哦
????????var?scoreStr?=?"小明:87;小花:81;小紅:97;小天:76;小張:74;小小:94;小西:90;小伍:76;小迪:64;小曼:76";
????????var?scrArr?=?scoreStr.split(';')
????????var?scoLength?=?scrArr.length
????????for?(i?=?0;?i?<?scrArr.length;?i++)?{
????????????scrArr[i]?=?scrArr[i].split(':')
????????????total?=?parseInt(total)?+?parseInt(scrArr[i][1])
????????}
????????var?avg?=?total?/?scoLength
????????document.write(Math.round(avg))
??//從數組中將成績撮出來，然后求和取整，并輸出。
????</script>
</head>
<body>
</body>
</html>
2025-04-23
<!DOCTYPE ?HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>系好安全帶,準備啟航</title>
<script type="text/javascript">
? //通過javascript的日期對象來得到當前的日期，并輸出。
? var mydate=new Date();
? var year = mydate.getFullYear(); //年份
? var month = mydate.getMonth()+1; //月份
? var day = mydate.getDate(); ? ? ?//日期
? var weekday = mydate.getDay(); ? //星期
?
? var weekdayArr=["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];
? var weekdayStr = weekdayArr[weekday];
? console.log(year,month,day,weekdayStr)
? document.write(year," ",month," ",day," ",weekdayStr,"<br />")
?
?
? //成績是一長竄的字符串不好處理，找規律后分割放到數組里更好操作哦
? var scoreStr = "小明:87;小花:81;小紅:97;小天:76;小張:74;小小:94;小西:90;小伍:76;小迪:64;小曼:76";
? var scoreArr = scoreStr.split(';')
? console.log(scoreArr)
? ?//從數組中將成績撮出來，然后求和取整，并輸出。
? var sum = 0
? for(var i=0;i<scoreArr.length;i++){
? ? var num = scoreArr[i].slice(3)
? ? console.log(num)
? ? sum+= parseInt(num)
? }
? console.log(sum)
? document.write("總分:",sum,"<br />")
? document.write("平均分:", parseInt(sum/scoreArr.length))
?
</script>
</head>
<body>
</body>
</html>