哇找了好幾遍還是沒看出來哪里錯了，求大佬指教，暴哭
<!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">
//二維數組定義
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']
];
for(var i=0;i<infos.length;i++){
if(infos[i][3]=="大一")
{
if(infos[i][1]=="女")
{document.write(infos[i][0]+"<br/>");};
}
}
</script>
</head>
<body>
</body>
</html>
2019-02-17
["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"],
在每個數組后面加個逗號表示連貫性,不然就會報錯
2019-02-17
把你代碼做了下修改,自己看一下和你的代碼差在哪里
2019-02-17
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>control</title>
<script type="text/javascript">
//二維數組定義
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"],
];
for(var i=0;i<infos.length;i++){
if(infos[i][3]=="大一")
{
if(infos[i][1]=="女")
{document.write(infos[i][0]+"<br/>");};
}
}
</script>
</head>
<body>
</body>
</html>
2019-02-17
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>control</title>
<script type="text/javascript">
//二維數組定義
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"]
];
for(var i=0;i<infos.length;i++){
if(infos[i][3]=="大一")
{
if(infos[i][1]=="女")
{document.write(infos[i][0]+"<br/>");};
}
}
</script>
</head>
<body>
</body>
</html>
2019-02-17
這個代碼里的姓名,性別和年級都要用雙引號,你定義的時候用的是單引號,改一下,對了請采納,錯了發改過的代碼,我再幫你改改