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>
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