javascript 获取多条数据(模拟ajax获取数据)

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<title>guestbook demo</title> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<meta name="Author" content="Sheneyan" /> 
<script type="text/javascript"> 
var data = [ 
{ 
id:11, 
name:'路人甲', 
mail:'somebodyA@foo.com', 
title:'测试一下这个留言板好用不', 
content:'测试就是测试，不要问我为什么测试，也不要问我为了什么测试，反正我就是要测试，你能把我怎么着？', 
time:'2007-03-21 12:33:43' 
}, 
{ 
id:12, 
name:'路人乙', 
mail:'somebodyB@foo.com', 
title:'你好，麻烦你一件事', 
content:'你好，你能告诉我你的QQ吗？我有事麻烦你', 
time:'2007-03-22 22:33:43' 
}, 
{ 
id:13, 
name:'路人丙', 
mail:'somebodyC@foo.com', 
title:'啊啊啊', 
content:'世界如此美好，我脾气如此暴躁，这样不好~不好~~', 
time:'2007-03-23 12:03:41' 
}, 
{ 
id:14, 
name:'路人丁', 
mail:'somebodyD@foo.com', 
title:'...', 
content:'其实。。。我是一个演员', 
time:'2007-03-23 22:04:08' 
}, 
{ 
id:15, 
name:'xxx', 
mail:'armyA@foo.com', 
title:'xxx', 
content:'长夜漫漫无新睡眠，咦，怎么先生你也没睡？', 
time:'2007-03-24 11:12:55' 
} 
]; 
function getMutliData(){ 
var x = p = document.getElementById('post'); 
for (var i = 0 ; i < data.length ; i ++){ 
var o = p.cloneNode(true); 
if (x.nextSibling) 
x.parentNode.insertBefore(o,x.nextSibling); 
else 
x.parentNode.appendChild(o); 
var t = o.innerHTML; 
t = t.replace(//g,function(a,b){ 
var v = ""; 
try{ 
v = eval("data["+i+"]."+b); 
} 
catch(e){} 
return v; 
}); 
o.innerHTML = t; 
x = o; 
} 
p.style.display='none'; 
} 
</script> 
</head> 
<body> 
 
<fieldset> 
<legend id="post_header">()'>于发表：</legend> 
<h4 id="post_title"></h4> 
<p id="post_content"></p> 
</fieldset> 
 
<button onclick="getMutliData()">获取多条数据(模拟ajax获取数据)</button> 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]