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/JavaScript進階篇
就是二維數組的實現最后一章節，我不懂，需要你們的指教
2017-07-12
源自：JavaScript進階篇 7-1
正在回答
評價，問答，筆記，同學代碼
直接看同學代碼啊，里面全有
<!DOCTYPE ?HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>流程控制語句</title>
<script type="text/javascript">
?var infos=[["小A","女",21,"大一"],["小B","男",23,"大三"],["小C","男",24,"大四"],["小D","女",21,"大一"],["小E","女",22,"大四"],["小F","男",21,"大一"],["小G","女",22,"大二"],["小H","女",20,"大三"],["小I","女",20,"大一"],["小J","男",20,"大三"]];
?//第一次篩選，找出都是大一的信息
?var dayi=new Array();
?var j=0;
for(var i=0;i<10;i++){
? ? if(infos[i][3]=="大一"){
? ? ? ? dayi[j++]=i;
? ? }
? ? }?
?//第二次篩選，找出都是女生的信息
?for(var j=0;j<dayi.length;j++){
? ? ?if(infos[dayi[j]][1]=='女'){
? ? ? ? document.write(infos[dayi[j]][0]);
? ? ?}
?}
</script>
</head>
<body>
</body>
</html>
qq_楓橋夜泊_2 提問者
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哪個二維數組
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2018-04-23
評價，問答，筆記，同學代碼
2017-08-16
評價，問答，筆記，同學代碼
2017-08-16
直接看同學代碼啊，里面全有
2017-07-12
<!DOCTYPE ?HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>流程控制語句</title>
<script type="text/javascript">
?var infos=[["小A","女",21,"大一"],["小B","男",23,"大三"],["小C","男",24,"大四"],["小D","女",21,"大一"],["小E","女",22,"大四"],["小F","男",21,"大一"],["小G","女",22,"大二"],["小H","女",20,"大三"],["小I","女",20,"大一"],["小J","男",20,"大三"]];
?//第一次篩選，找出都是大一的信息
?var dayi=new Array();
?var j=0;
for(var i=0;i<10;i++){
? ? if(infos[i][3]=="大一"){
? ? ? ? dayi[j++]=i;
? ? }
? ? }?
?//第二次篩選，找出都是女生的信息
?for(var j=0;j<dayi.length;j++){
? ? ?if(infos[dayi[j]][1]=='女'){
? ? ? ? document.write(infos[dayi[j]][0]);
? ? ?}
?}
</script>
</head>
<body>
</body>
</html>
2017-07-12
哪個二維數組