<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 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
for(var i=0;i<infos.length;i++)
{
if(infos[i][3]=="大一")
{
document.write("大一的学生如下:"+infor[i][3]+"<br />");
}
}
//第二次筛选,找出都是女生的信息
for(var i=0;i<infos.length;i++)
{
if(infos[i].grade=="大一"&&infos[i].sex=="女")
{
document.write("大一女生:"+infos[i].name+"<br/>");
}
}
</script>
刚毅87
乱舞的旋律
相关分类