本文的JS效果是在鼠标点击ITEM标签的时候，实现下方的内容跟随滚动切换的效果，我们先来看下运行后的效果图。
以下是亿速云原创的运行代码：
<!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>jQuery实现的平滑滚动选项卡</title>
<script type="text/javascript" src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<style>
.tabs{width: 1200px; margin: 0 auto; height: 336px; overflow: hidden;}
.tabs_item{height: 36px;}
.tabs_block{height: 300px;}
.list_item{float: left; width: 200px; height: 36px; line-height: 36px; font-size: 26px; text-align: center;background-color:#FC0;cursor: pointer;}
.list_item.active{color: #FFF;background-color:#F60}
.tabs_block{width: 20000px; position: relative;}
.list_block{display: none; float: left; width: 1200px; height: 300px; font-size: 100px; text-align: center; line-height: 300px;background-color:#F4F4F4}
.list_block.show{display: block;}
</style>
<script>jQuery.easing['easeOutCubic'] = function (x, t, b, c, d) {
return c*((t=t/d-1)*t*t + 1) + b;
};
function Tabs(tabs,list,block,item,$){
var tabs = $(tabs);
var width = tabs.width();
tabs.find(list+':first').addClass('active');
tabs.find(item+':first').addClass('show');
tabs.find(list).click(function(){
var $this = $(this);
var i = tabs.find(block).find('.show').index();
var n = $this.index();
$this.addClass('active').siblings('.active').removeClass('active');
tabs.find(item).eq(n).addClass('show');
if(n > i){
tabs.find(block).stop().animate({'left':'-'+width+'px'},600,'easeOutCubic',function(){
tabs.find(block).css('left','0px');
tabs.find(item).eq(n).siblings('.show').removeClass('show');
});
}else{
tabs.find(block).css('left','-'+width+'px').stop().animate({'left':0},600,'easeOutCubic',function(){
tabs.find(item).eq(n).siblings('.show').removeClass('show');
});
}
});
}
</script>
</head>
<body>
<div class="tabs">
<div class="tabs_item">
<div class="list_item">list item 1</div>
<div class="list_item">list item 2</div>
<div class="list_item">list item 3</div>
<div class="list_item">list item 4</div>
<div class="list_item">list item 5</div>
<div class="list_item">list item 6</div>
</div>
<div class="clear"> </div>
<div class="tabs_block">
<div class="list_block">list block 1</div>
<div class="list_block">list block 2</div>
<div class="list_block">list block 3</div>
<div class="list_block">list block 4</div>
<div class="list_block">list block 5</div>
<div class="list_block">list block 6</div>
</div>
</div>
<script type="text/javascript">
jQuery(document).ready(function(){
var myTabs = new Tabs('.tabs','.list_item','.tabs_block','.list_block',jQuery);
});
</script>
<p >更多代码请访问：<a href="https://www.jb51.net" target="_blank">亿速云</a></p>
</body>
</html>
在代码中我们引用了百度的jquery
<script type="text/javascript" src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
需要的朋友跟着学习下吧，感谢你对亿速云的支持。
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