jQuery实现滑动下拉菜单
孙昂然
<!DOCTYPE html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jquery下拉菜单</title>
<script src="https://cdn.staticfile.org/jquery/2.0.0/jquery.min.js"></script>
<style>
* {
margin: 0;
padding: 0;
}
body {
font-family: Arial, Tahoma, sans-serif;
font-size: 11px;
color: #232323;
}
.wrap {
width: 800px;
margin: 0 auto;
}
#nav {
margin: 0;
padding: 0;
list-style: none;
border-left: 1px solid #d5dce8;
border-right: 1px solid #d5dce8;
border-bottom: 1px solid #d5dce8;
border-bottom-left-radius: 4px;
-moz-border-radius-bottomleft: 4px;
-webkit-border-bottom-left-radius: 4px;
border-bottom-right-radius: 4px;
-moz-border-radius-bottomright: 4px;
-webkit-border-bottom-right-radius: 4px;
height: 50px;
padding-left: 15px;
padding-right: 15px;
background: #edf3f7;
}
#nav li {
float: left;
display: block;
background: none;
position: relative;
z-index: 999;
margin: 0 1px;
}
#nav li a {
display: block;
padding: 0;
font-weight: 700;
line-height: 50px;
text-decoration: none;
color: #818ba3;
zoom: 1;
border-left: 1px solid transparent;
border-right: 1px solid transparent;
padding: 0px 12px;
}
#nav li a:hover,
#nav li a.hov {
background-color: #fff;
border-left: 1px solid #d5dce8;
border-right: 1px solid #d5dce8;
color: #576482;
}
#nav ul {
position: absolute;
left: 1px;
display: none;
margin: 0;
padding: 0;
list-style: none;
-moz-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
-o-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
-webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
padding-bottom: 3px;
}
#nav ul li {
width: 180px;
float: left;
border-top: 1px solid #fff;
text-align: left;
}
#nav ul li:hover {
border-left: 0px solid transparent;
border-right: 0px solid transparent;
}
#nav ul a {
display: block;
height: 20px;
line-height: 20px;
padding: 8px 5px;
color: #666;
border-bottom: 1px solid transparent;
text-transform: uppercase;
color: #797979;
font-weight: normal;
}
#nav ul a:hover {
text-decoration: none;
border-right-color: transparent;
border-left-color: transparent;
background: transparent;
color: #4e4e4e;
}
* html #nav ul {
margin: 0 0 0 -2px;
}
.clearfix:after {
content: ".";
display: block;
clear: both;
visibility: hidden;
line-height: 0;
height: 0;
}
.clearfix {
display: inline-block;
}
html[xmlns] .clearfix {
display: block;
}
* html .clearfix {
height: 1%;
}
</style>
</head>
<body>
<div class="wrap">
<ul id="nav">
<li>
<a href="#">网站主页</a>
</li>
<li>
<a href="#">关于我</a>
<ul>
<li>
<a href="#">Company</a>
</li>
<li>
<a href="#">Authors</a>
</li>
<li>
<a href="#">Advertising</a>
</li>
</ul>
</li>
<li>
<a href="#">RSS订阅</a>
<ul>
<li>
<a href="#">PSD</a>
</li>
<li>
<a href="#">Patterns</a>
</li>
<li>
<a href="#">Icons</a>
</li>
</ul>
</li>
<li>
<a href="#">精美博文</a>
<ul>
<li>
<a href="#">HTML5</a>
</li>
<li>
<a href="#">CSS3</a>
</li>
<li>
<a href="#">jQuery</a>
</li>
<li>
<a href="#">MySQL</a>
</li>
</ul>
</li>
<li>
<a href="#">Web工具</a>
<ul>
<li>
<a href="#">Performance</a>
</li>
<li>
<a href="#">CMS Plugins</a>
</li>
<li>
<a href="#">Cheat Sheets</a>
</li>
</ul>
</li>
<li>
<a href="#">Originals</a>
<ul>
<li>
<a href="#">Website Design</a>
</li>
<li>
<a href="#">Mobile</a>
</li>
</ul>
</li>
</ul>
</div>
<script type="text/javascript">
$(document).ready(function () {
$('#nav li').hover(function () {
$('ul', this).slideDown(200);
$(this).children('a:first').addClass("hov");
}, function () {
$('ul', this).slideUp(100);
$(this).children('a:first').removeClass("hov");
});
});
</script>
</body>
</html>
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