<!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">
//第一步把之前的数据写成一个数组的形式,定义变量为 infos
var stu = [
['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']
]
var temp = [];
for(var i=0;i<stu.length; i++) {
for(var j=0; j<stu[i].length; j++) {
if(stu[i][j] == "女")
temp.push(stu[i])
}
}
for(var i=0;i<temp.length; i++) {
for(var j=0; j<temp[i].length; j++) {
if(temp[i][j] == "大一")
document.write(temp[i] + "<br>")
}
}
</script>
</head>
<body>
</body>
</html>