javascript jq 弹出层实例

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我是靠谱客的博主专一玉米，最近开发中收集的这篇文章主要介绍javascript jq 弹出层实例，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

复制代码代码如下:

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>jquery弹出层实例</title> 
<script type="text/javascript" src="http://www.jqueryajax.com/wp-content/uploads/2009/03/jquery-132min1.js"></script> 
<script type="text/javascript"> 
$(function(){ 
$(".but").click(function(){ 
var str = "这里是信息内容，这里是信息内容！"; 
$(".form").html(str); 
$("#faqbg").css({display:"block",height:$(document).height()}); 
var yscroll =document.documentElement.scrollTop; 
$("#faqdiv").css("top","100px"); 
$("#faqdiv").css("display","block"); 
document.documentElement.scrollTop=0; 
}); 
$(".close").click(function(){ 
$("#faqbg").css("display","none"); 
$("#faqdiv").css("display","none"); 
}); 
}) 
</script> 
<style type="text/css"> 
body,h2{margin:0 ; padding:0;} 
#faqbg{background-color:#666666; position:absolute; z-index:99; left:0; top:0; display:none; width:100%; height:1000px;opacity:0.5;filter: alpha(opacity=50);-moz-opacity: 0.5;} 
#faqdiv{position:absolute;width:400px; left:50%; top:50%; margin-left:-200px; height:auto; z-index:100;background-color:#fff; border:1px #8FA4F5 solid; padding:1px;} 
#faqdiv h2{ height:25px; font-size:14px; background-color:#8FA4F5; position:relative; padding-left:10px; line-height:25px;} 
#faqdiv h2 a{position:absolute; right:5px; font-size:12px; color:#FF0000} 
#faqdiv .form{padding:10px;} 
</style> 
</head> 

<body > 

<div id="faqbg"></div> 
<div id="faqdiv" style="display:none"> 
<h2>信息窗口<a href="#" class="close">关闭</a></h2> 
<div class="form"> 
这里是提示信息！！ 

</div> 
</div> 
<p align="center"> 
<input value="弹出" class="but" type="button" /> 
<input type="button" value="关闭" class="close" /> 
</p> 
</body> 
</html> 