二维数组最后的那个题目谁可以分享一下答案吗？我搞不懂二维数组的存储，
就是二维数组的实现最后一章节，我不懂，需要你们的指教
5 回答
<!DOCTYPE HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>流程控制语句</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"]];
//第一次筛选，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;
}
}
//第二次筛选，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>
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