本文实例讲述了jQuery实现气球弹出框式的侧边导航菜单效果。分享给大家供大家参考。具体如下：
这是一款基于jQuery实现的气球弹出框式的侧边导航菜单，预览效果时左下角会提示错误，而且看不到效果，刷新一下就可以看到效果了；当然，在实际使用中，不会出现这样的问题。
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/jquery-alt-dlg-left-nav-menu-style-codes/
具体代码如下：
<!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>
<title>泡沫弹出框式的侧边导航菜单</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
<style type="text/css">
html, body, ul, li {
margin: 0;
padding: 0;
border: 0;
outline: 0;
vertical-align: baseline;
font-family: "Verdana","lucida sans",Sans-serif;
font-size: 12px;
}
html, body {
min-height: 100%;
color: #FFFFFF;
background-repeat: repeat-x;
background-position: top;
background-color: #161f2a;
}
ul.side_nav {
width: 200px;
float: left;
margin: 0;
padding: 0;
}
ul.side_nav li {
position: relative;
float: left;
margin: 0;
padding: 0;
display: inline;
}
ul.side_nav li a {
width: 165px;
border-top: 1px solid #3373a9;
border-bottom: 1px solid #003867;
padding: 10px 10px 10px 25px;
display: block;
color: #fff;
text-decoration: none;
background: #005094 url(images/sidenav_arrow.gif) no-repeat 5px 10px;
position: relative;
z-index: 2;
}
ul.side_nav li a:hover {
background-color: #2d353f;
}
ul.side_nav li div {
display: none;
position: absolute;
top: 2px;
left: 0;
width: 225px;
background: url(images/bubble_top.gif) no-repeat right top;
}
ul.side_nav li div p {
margin: 7px 0;
line-height: 1.3em;
padding: 0 5px 10px 30px;
color: #444;
background: url(images/bubble_btm.gif) no-repeat right bottom;
}
</style>
<script language="javascript" src="jquery-1.6.2.min.js"></script>
<script language="javascript">
$(document).ready(function(){
$("ul.side_nav li").hover(function() {
$(this).find("div").stop()
.animate({left: "210", opacity:1}, "fast")
.css("display","block")
}, function() {
$(this).find("div").stop()
.animate({left: "0", opacity: 0}, "fast")
});
});
</script>
</head>
<body>
预览时如果提示有错误，请刷新一下网页就没事了。<br>
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希望本文所述对大家的jQuery程序设计有所帮助。
