求一个二维数组的例子
第四章有一个编程的练习,求一段二维数组的例子
第四章有一个编程的练习,求一段二维数组的例子
2016-08-19
var arr = [['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']];
document.write(arr.length);
for(var i = 0; i < arr.length; i++)
{
if(arr[i][3] == '大一' && arr[i][1] == '女')
{
document.write(arr[i][0] + "<br>");
}
}
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' && infos[i][1] == '女')
{
document.write( infos[i][0] );
}
}
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