<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>实例：jQuery弹性滑动导航菜单</title>
<style type="text/css">
body{ font-size:100%; font-family:"Microsoft YaHei","Arial"; background:#fff;}
#nav{ position:relative; width:832px; _width:835px; margin:100px auto 0 auto; border-bottom:2px #ddd solid;}
#nav .nav-menu{ height:50px;}
#nav .nav-menu a{ display:block; float:left; height:50px; padding:0 40px; line-height:50px; color:#666; font-size:16px; text-decoration:none;}
#nav .nav-current{ position:absolute; bottom:-2px; height:2px; overflow:hidden; background:#80b600;}
</style>
<script id="jquery_172" type="text/javascript" class="library" class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="js/jquery-1.9.1.min.js"></script>
<script type="text/javascript">
$(function(){
(function(){
var $navcur = $(".nav-current");
var $nav = $("#nav");
var current = ".current";
var itemW = $nav.find(current).innerWidth(); //默认当前位置宽度
var defLeftW = $nav.find(current).position().left; //默认当前位置Left值
//添加默认下划线
$navcur.css({width:itemW,left:defLeftW});
//hover事件
$nav.find("a").hover(function(){
var index = $(this).index();//获取滑过元素索引值
var leftW = $(this).position().left;//获取滑过元素Left值
var currentW = $nav.find("a").eq(index).innerWidth();//获取滑过元素Width值
$navcur.stop().animate({
left: leftW,
width: currentW
},300);
},function(){
$navcur.stop().animate({
left: defLeftW,
width: itemW
},300)
})
})();
});
</script>
</head>
<body>
<div id="nav">
<div class="nav-menu">
<a href="#" class="current">首页</a>
<a href="#">了解我们</a>
<a href="#">产品展示</a>
<a href="#">服务报价</a>
<a href="#">最新消息</a>
<a href="#">联系方式</a>
</div>
<div class="nav-current"></div>
</div>
</body>
</html>
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