锚点相信大家都使用过吧！点击后僵硬的切换是不是很不爽呢？
下面分享一个小技巧，根据锚点offset值来实现动画切换
<!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=gb2312" /> <title>无标题文档</title> <script type="text/javascript" src="js/jquery-1.8.3.min.js"></script> <style> *{ margin:0; padding:0;} .main{ width:1000px; margin:0 auto; position:relative; } .main img{ float:left;} .bg{ position:absolute; width:100%; z-index:-5;} .bg01{ height:885px;background:url(../images/b_01.jpg) no-repeat center;} .bg02{ height:938px;background:url(../images/b_04.jpg) no-repeat center; } .bg03{ height:946px;background:url(../images/b_02.jpg) no-repeat center; } .bg04{ height:946px;background:url(../images/b_03.jpg) no-repeat center; } .div_scoll{ position:fixed; width:50px; height:200px; right:100px; top:50%;} a{ display:block; background:#3F6; color:#000; width:50px; height:50px; } </style> </head> <body> <div class="wrapper"> <div class="main"> <div id="tab_01" class="tab"><img src="images/m_01.jpg" alt="" /></div> <div id="tab_02" class="tab"><img src="images/m_04.jpg" alt="" /></div> <div id="tab_03" class="tab"><img src="images/m_02.jpg" alt="" /></div> <div id="tab_04" class="tab"><img src="images/m_03.jpg" alt="" /></div> </div> <div class="bg"> <div class="bg01" id="bg01"></div> <div class="bg02" id="bg02"></div> <div class="bg03" id="bg03"></div> <div class="bg04" id="bg04"></div> </div> </div> <div class="div_scoll"> <a href="#bg01">图1</a> <a href="#bg02">图2</a> <a href="#bg03">图3</a> <a href="#bg04">图4</a> </div> <script> $(function(){ $(".div_scoll a").click(function(){ $("html,body").animate({ scrollTop:$($(this).attr("href")).offset().top + "px"},1000); }); }); </script> </body> </html>