-
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<10;i++){
if(infos[i][1]==="女"&&infos[i][3]==="大一")
document.write(infos[i] + "<br>");
}
-
var studs=[['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 girlsInGone=new Array();//定义一个新数组来存放挑选出来的大一女生
var j=0;
for(i=0;i<studs.length;i++){
if((studs[i][3]=="大一")&&(studs[i][1]=="女")){//判断是否符合该条件
girlsInGone[j]=studs[i];//符合条件的就放入心新数组
j++;
}
}
document.write(girlsInGone);
-
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']
]
var dayi = new Array();
var index = 0;
for(var i=0;i<10;i++)
{
if(infos[i][3] == '大一') dayi[index++] = infos[i];
}
for(var i=0;i<dayi.length;i++)
{
if(dayi[i][1] == '女') document.write(dayi[i][0])
}