仿百度新闻导航效果

仿百度新闻导航效果

html代码

<div class="nav">
    <div class="nav-box">
        <div class="nav-hover"></div>
        <ul>
            <li class="nav-item current"><a href="javascript:void(0);">首页</a></li>
            <li class="nav-item"><a href="javascript:void(0);">百家</a><span class="icon-new">NEW</span></li>
            <li class="nav-item"><a href="javascript:void(0);">财经</a></li>
            <li class="nav-item"><a href="javascript:void(0);">娱乐</a></li>
            <li class="nav-item"><a href="javascript:void(0);">体育</a></li>
            <li class="nav-item"><a href="javascript:void(0);">互联网</a></li>
            <li class="nav-item"><a href="javascript:void(0);">时尚</a></li>
            <li class="nav-item"><a href="javascript:void(0);">汽车</a></li>
            <li class="nav-item"><a href="javascript:void(0);">国内</a></li>
            <li class="nav-item"><a href="javascript:void(0);">国际</a></li>
            <li class="nav-item"><a href="javascript:void(0);">军事</a></li>
            <li class="nav-item"><a href="javascript:void(0);">社会</a></li>
            <li class="nav-item"><a href="javascript:void(0);">视频</a></li>
            <li class="nav-item"><a href="javascript:void(0);">传媒</a></li>
            <li class="nav-item"><a href="javascript:void(0);">个性推荐</a></li>
            <li class="nav-item"><a href="javascript:void(0);">房产</a></li>
            <li class="nav-item"><a href="javascript:void(0);">名站</a></li>
            <li class="nav-item"><a href="javascript:void(0);">更多</a></li>
        </ul>
    </div>
</div>

CSS代码

body, div, ul, li, a, img {
    margin: 0;
    padding: 0;
}

ul, li {
    list-style-type: none;
}

.nav {
    margin-top: 100px;
    width: 100%;
    height: 40px;
    background: #01204f;
}
.nav-box{
    width: 1200px;
    margin: 0 auto;
    line-height: 40px;
    font-size: 14px;
    position: relative;
}
.nav-box ul{
    position: absolute;
    left: 0;
    top:0;
    z-index:5;
}
.nav-box li{
    float: left;
    z-index:5;
    position: relative;
}
.nav-box li.current a{
    background: red;
}
.nav-box li a{
    color: white;
    display: block;
    padding: 0 10px;
    text-decoration: none;
    margin-right: 2px;
}
.nav-hover{
    position: absolute;
    left: 0;
    top:0;
    width: 50px;
    height: 40px;
    z-index:2;
    background: red;
}
.icon-new{
    position: absolute;
    right: -4px;
    top:-4px;
    width: 20px;
    height: 10px;
    line-height: 10px;
    color: white;
    font-size: 12px;
    background: red;
    text-align: center;
}

Jquery代码

$(function(){
    $('.nav-item').hover(function(){
        var thisWidth=$(this).width();
        var thisLeft=$(this).position().left;
        $('.nav-hover').stop(true).animate({"left":thisLeft,"width":thisWidth},300)
    },function(){
        $('.nav-hover').animate({"left":"0","width":"50"},300)
    })
});