左边跟鼠标滑动导航
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<title>左邊跟隨鼠標滑動導航仿淘寶UED - 懶人建站</title>
<meta name="keywords" content="滑動導航" />
<meta name="description" content="左邊跟隨鼠標滑動導航仿淘寶UED" />
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/*樣式表文件來自 懶人css http://lrcss.lrjz100.com */
/*---------重置---------*/
html{font-size: 100%;-webkit-text-size-adjust:100%; -ms-text-size-adjust:100%; *overflow:auto;_overflow-x:hidden;}
body{margin:0;}
p,ul,ol,form,dl,h1,h2,h3,h4,h5,h6{ margin-top:0; margin-bottom:0;}
dl,dd{ margin-left:0;}
ul,ol{padding-left:0;*margin-left:0;list-style-type: none;}
ul li{*zoom:1;*vertical-align:bottom;}
em,var,cite,i{font-style:normal;}
small{font-size:inherit;}
s,a{text-decoration:none;}
:focus{outline:none;}
blockquote,q{quotes:none; margin:0;}
table{border-collapse:collapse;border-spacing:0;empty-cells:show;/*table-layout:fixed;*/}
img,iframe{border:none;}
img{vertical-align: top;-ms-interpolation-mode: bicubic;/*ie7防止圖片縮小失真的*/}
/*---------豎向菜單（非必需）---------*/
.bl-vernav li{ border-bottom:1px solid #ddd; margin-bottom:-1px;padding-top:1px;}
.bl-vernav a{ display:block; height:20px; line-height:20px; padding:10px 16px;}
.bl-vernav a:hover{ background:#F8F8F8;text-decoration:none;}
/*.bl-vernav .cur a{ background:#428BCA; color:#fff;}*/
.bl-vernav-ord{ border:1px solid #ddd;}
.vernav-level li li{ border-left:none;border-right:none;}
.vernav-level li li a{ padding-left:40px;}
.vernav-level .cur .one{ background:#F8F8F8; }
.vernav-level li .cur a{ background:#F8F8F8; }
/*diy*/
.bl-vernav-warp{ position:relative;}
.bl-vernav-warp .auxline{ position:absolute; left:-6px; top:0; z-index:1;line-height:0; font-size:0;
border-left:#FF5F3E solid 7px; background-color:#F8F8F8;}
.bl-vernav{ position:relative; z-index:2;}
.bl-vernav a:hover{ background-color:transparent;}
/*下面這兩端是演示用的和整個功能沒有必然關系 ，你可以使用你自己的 字體字號顏色設置*/
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a{ color:#333; text-decoration:none;}
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<body style="padding:50px;">
<div class="demobox">
<h1 class="h3">仿淘寶UED的左邊跟隨鼠標滑動導航</h1>
<br/>
<div class="bl-vernav-warp">
<div class="auxline"></div>
<ul class="bl-vernav vernav-level">
<li><a href="http://www.51xuediannao.com/js/nav/" class="one">導航菜單</a></li>
<li class="cur">
<a href="http://www.51xuediannao.com/js/" class="one">JS代碼</a>
<ul>
<li><a href="http://www.51xuediannao.com/js/texiao/">網頁特效</a></li>
<li><a href="http://www.51xuediannao.com/js/gundong/">滾動代碼</a></li>
<li><a href="http://www.51xuediannao.com/xuanxiangka/">選項卡代碼</a></li>
</ul>
</li>
<li><a href="http://www.51xuediannao.com/js/slide/" class="one">焦點幻燈片</a></li>
<li><a href="http://www.51xuediannao.com/qqkefu/" class="one">qq在線客服代碼</a></li>
<li><a href="http://www.51xuediannao.com/jquery_tanchu/" class="one">jquery彈出層</a></li>
</ul>
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<script type="text/javascript" src="http://lib.sinaapp.com/js/jquery/1.9.0/jquery.min.js"></script>
<script>
$(function(){
var verNav = $(".bl-vernav"),
line = verNav.siblings(".auxline")
verNavFisrt = verNav.children("li:first-child"),
curY = verNav.children("li.cur").position().top;
line.height(verNavFisrt.outerHeight()-1).width(verNavFisrt.outerWidth());//設置輔助線初始化高度和寬度，也可以直接用css設置好，這里就不用js計算了
verNav.find("li").mouseenter(function(){
var thisY = $(this).position().top;
line.stop(true,true).animate({top:thisY},200);
return false
})
.end()
.mouseleave(function(){
line.stop(true,true).animate({top:curY},300)
}).trigger("mouseleave");
});
</script>
</body>
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轉載于:https://www.cnblogs.com/weipeng007/p/4623416.html
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