没有输出啊

来源:4-10 编程练习

qq_不像白羊座的白羊座_0

2015-10-28 10:03

<!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=new Array;

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"]

       ]

 //第一步把之前的数据写成一个数组的形式,定义变量为 

for(i=0;i<infos.length;i++)

{if(infos[i][3])==="大一"&&infos[i][1]==="女"){

    

    document.write(姓名是:+infos[i][0])

}}

 //第一次筛选,找出都是大一的信息

 

  

 //第二次筛选,找出都是女生的信息

 

 

  

</script>

</head>

<body>

</body>

</html>


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1回答

  • 心悦君夕
    2015-10-30 11:13:01

    符号都不对啊,可是没输出。。。

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