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/JavaScript進階篇
湊夠五個字
2020-06-02
源自：JavaScript進階篇 7-23
正在回答
????????var?d?=?new?Date();
????????var?m?=?d.getMonth()?+?1;
????????var?str?=?"星期"?+?"日一二三四五六".charAt(new?Date().getDay());
????????document.write(d.getFullYear()?+?"年"?+?m?+?"月"?+?d.getDate()?+?"日"?+?"?"?+?str);
<!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 mydate = new Date();
? var week = ["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];??
? var a = mydate.getDay();
? document.write(mydate.getFullYear() + "年" + (mydate.getMonth()+1) + "月" + mydate.getDate() + "日" + " " + week[a] + "--");
? 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 arr = scoreStr.split(";");
?var sum = 0;
? ? for(var i=0;i<arr.length;i++){
? ? ? ? sum += parseInt(arr[i].substring(3));// sum += parseInt(arr[i].substring(arr[i].indexOf(":")+1));
? ? }
? ? var avgScore = sum / arr.length;
? ? document.write("班級平均分為：" + Math.round(avgScore));
</script>
</head>
<body>
</body>
</html>
老哥我看到你答案的時候我都驚了?。。。。。。。。。。?！
<!DOCTYPE?html>
<html?lang="en">
????<meta?charset="UTF-8">
????<meta?name="viewport"?content="width=device-width,?initial-scale=1.0">
????<title>成績打印</title>
????<script>
????????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"];
????????var?myWeek?=?myDate.getDay();
????????var?myYear?=?myDate.getFullYear();
????????var?myMonth?=myDate.getMonth();
????????var?soStr?=?"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?scoreStr?=?soStr.split(';');
????????var?cont?=?0;
????????for(i?=?0;i<scoreStr.length;i++){
????????????var?score?=?scoreStr[i].indexOf(':');
????????????cont?+=?parseInt(?scoreStr[i].substr(score+1,2)??);?
????????};
????????document.write(myYear+"年"+myMonth+'月'+myWeek+'日'+"?"+weekday[myWeek]+"--"+"班級平均分為："+Math.floor(cont/scoreStr.length))
????</script>
<body>????
我們的好像差不多一樣。
舉報
本課程從如何插入JS代碼開始，帶您進入網頁動態交互世界
3 回答供大家參考，歡迎大佬挑刺
1 回答參考大佬的，歡迎大佬持續優化
2 回答這樣應該比較簡單吧
3 回答求大佬指教，怎么簡化下面的代碼
2 回答解決方式，歡迎批評指正
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2020-07-15
????????var?d?=?new?Date();
????????var?m?=?d.getMonth()?+?1;
????????var?str?=?"星期"?+?"日一二三四五六".charAt(new?Date().getDay());
????????document.write(d.getFullYear()?+?"年"?+?m?+?"月"?+?d.getDate()?+?"日"?+?"?"?+?str);
2020-06-06
<!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 mydate = new Date();
? var week = ["星期日","星期一","星期二","星期三","星期四","星期五","星期六"];??
? var a = mydate.getDay();
? document.write(mydate.getFullYear() + "年" + (mydate.getMonth()+1) + "月" + mydate.getDate() + "日" + " " + week[a] + "--");
? 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 arr = scoreStr.split(";");
?var sum = 0;
? ? for(var i=0;i<arr.length;i++){
? ? ? ? sum += parseInt(arr[i].substring(3));// sum += parseInt(arr[i].substring(arr[i].indexOf(":")+1));
? ? }
? ? var avgScore = sum / arr.length;
? ? document.write("班級平均分為：" + Math.round(avgScore));
</script>
</head>
<body>
</body>
</html>
老哥我看到你答案的時候我都驚了?。。。。。。。。。。?！
2020-06-03
<!DOCTYPE?html>
<html?lang="en">
<head>
????<meta?charset="UTF-8">
????<meta?name="viewport"?content="width=device-width,?initial-scale=1.0">
????<title>成績打印</title>
????<script>
????????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"];
????????var?myWeek?=?myDate.getDay();
????????var?myYear?=?myDate.getFullYear();
????????var?myMonth?=myDate.getMonth();
????????var?soStr?=?"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?scoreStr?=?soStr.split(';');
????????var?cont?=?0;
????????for(i?=?0;i<scoreStr.length;i++){
????????????var?score?=?scoreStr[i].indexOf(':');
????????????cont?+=?parseInt(?scoreStr[i].substr(score+1,2)??);?
????????};
????????document.write(myYear+"年"+myMonth+'月'+myWeek+'日'+"?"+weekday[myWeek]+"--"+"班級平均分為："+Math.floor(cont/scoreStr.length))
????</script>
</head>
<body>????
</body>
</html>
我們的好像差不多一樣。