仿淘宝侧边栏菜单

3.淘宝侧边栏菜单

　

HTML

<div class="box">
	<h3>主题市场</h3>
	<ul>
		<li>
			<a href="javascript:;">女装</a>
			/
			<a href="javascript:;">男装</a>
			/
			<a href="javascript:;">内衣</a>
		</li>
		<li>
			<a href="javascript:;">鞋靴</a>
			/
			<a href="javascript:;">箱包</a>
			/
			<a href="javascript:;">配件</a>
		</li>
		<li>
			<a href="javascript:;">童装玩具</a>
			/
			<a href="javascript:;">孕产</a>
			/
			<a href="javascript:;">用品</a>
		</li>
		<li>
			<a href="javascript:;">家电</a>
			/
			<a href="javascript:;">数码</a>
			/
			<a href="javascript:;">手机</a>
		</li>
		<li>
			<a href="javascript:;">美妆</a>
			/
			<a href="javascript:;">洗护</a>
			/
			<a href="javascript:;">保健品</a>
		</li>
		<li>
			<a href="javascript:;">珠宝</a>
			/
			<a href="javascript:;">眼镜</a>
			/
			<a href="javascript:;">手表</a>
		</li>
		<li>
			<a href="javascript:;">运动</a>
			/
			<a href="javascript:;">户外</a>
			/
			<a href="javascript:;">乐器</a>
		</li>
	</ul>
	<div class="contList" id="contList"></div>
</div>

　　CSS

*{
	margin: 0;
	padding: 0;
}
.fl{
	float: left;
}
.fr{
	float: right;
}
.clearFix:after{
	display: block;
	clear: both;
	content: "";
}
.box{
	width: 190px;
	margin: 30px 0 0 50px;
	background: #ff5000;
	padding-bottom: 1px;
	position: relative;
}
a{
	text-decoration: none;
}
h3{
	line-height: 30px;	
	text-align: center;
	font-size: 16px;
	color: #fff;
}
ul{
	width: 188px;
	background: #fff;
	padding: 10px 0;
	margin: 0 auto;
	font-size: 14px;
}
li{
	list-style: none;
	line-height: 32px;
	padding: 0 19px 0 25px;
	overflow: hidden;
	color: #666;
	position: relative;
}
li a{
	color: #666;
}
li:after{
	display: block;
	content: ">";
	position: absolute;
	right: 10px;
	top: 0;
}
li a:hover{
	text-decoration: underline;
}
li.on{
	background: #ffe4dc;
	color: #ff5000;
}
li.on a{
	color: #ff5000;
}
.contList{
	border: 2px solid #F94A14;
    position: absolute;
    top: 30px;
    left: 191px;
    padding: 0 25px;
    display: none;
    white-space: nowrap;
}
.contList a{
	line-height: 20px;
	font-size: 14px;
	color: #333;
}

JS

	var aLi=document.getElementsByTagName("li");
	var contList=document.getElementById("contList");
	var timer=null;
	
	for (var i=0;i<aLi.length;i++) {
		//鼠标移入菜单列表
		aLi[i].onmouseover=function(){
			//格式化
			for (var i=0;i<aLi.length;i++) {
				aLi[i].className="";
			}
			this.className="on";
			contList.style.display="block";
			contList.textContent=this.textContent;
		}
		aLi[i].onmouseout=function(){
			//清楚定时器
			clearTimeout(timer);
			//2s后右边菜单栏消失
			timer=setTimeout(function(){
				contList.style.display="none";
				for (var i=0;i<aLi.length;i++) {
					aLi[i].className="";
				}
			},2000)
		}
	}
	//鼠标移入右边菜单栏
	contList.onmouseover=function(){
		clearTimeout(timer);
	}
	contList.onmouseout=function(){
		for (var i=0;i<aLi.length;i++) {
			aLi[i].className="";
		}
		contList.style.display="none";
	}