為啥我運行不了
<!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 people=[["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<=people.length;i++)
{
??????? if(people[i][3]=="大一"&&people[i][1]="女")
??????? {
??????????? document.write(people[i]+"<br>");
??????? }
}
</script>
</head>
<body>
</body>
</html>
2017-12-12
第一：if條件括號內 ，比較應該用==或者===，不能用賦值=；
第二：輸出和要求不符，要求是輸出姓名，people[i][0],才對；
2017-12-11
?if(people[i][3]=="大一"&&people[i][1]=="女")?
少了一個等于號