var infos=new Array();
infos[0]=['小A','女',21,'大一'];
......
......
infos[9]=['小J','男',20,'大三'];
for(i=0;i<infos.length;i++){
if( infos[i][3]=='大一' && infos[i][1]=='女'){
document.write(infos[i]+'<br/>');
}
}
infos[0]=['小A','女',21,'大一'];
......
......
infos[9]=['小J','男',20,'大三'];
for(i=0;i<infos.length;i++){
if( infos[i][3]=='大一' && infos[i][1]=='女'){
document.write(infos[i]+'<br/>');
}
}
最新回答 / cai鸟
<!DOCTYPE HTML><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>无标题文档</title> </head> <body> <form> 请选择你爱好:<br>...
最赞回答 / arlenhui
function random(x, y) {var a = Math.random()*(y-x)+x;return a;}//获取从x到y的随机数
2015-07-13
最新回答 / inro
这样理解就很容易了: 字符串用split进行分割以后所以就成为了一个数组,例如:var mychar="hello,javascript";进行分割以后就变成了这样一个样子:["h","e","l","l","0",",","j","a","v","a","s","c","r","i","p","t"]定义数组的时候: var myarry=["h","e","l","l","0",",","j","a","v","a","s","c","r","i","p","t"]所以在用document.writ...
2015-07-13
最新回答 / arlenhui
window.onload = function(){document.getElementById('box').style.display = 'none';}
2015-07-13
mynum.length=10;//改变数组的长度
document.write("改变数组的长度为"+mynum.length);//输出数组改变后的长度;
document.write("改变数组的长度为"+mynum.length);//输出数组改变后的长度;
2015-07-13