<!DOCTYPE HTML><html><head><meta 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" src="/js/sandbox/jquery/jquery-1.7.2.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>
