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  • jq仿 妙味课堂导航01

    <!DOCTYPE html>
    <html>
    <head lang="en">
        <meta charset="UTF-8">
        <title></title>
        <style>
            *{
                margin:0;
                padding:0;
            }
            ul,li{
                list-style:none;
            }
            a{
                color:#333;
                text-decoration:none;
            }
            .clearfix{
                zoom:1;
            }
            .clearfix:after{
                content:".";
                display:block;
                width:0;
                height:0;
                visibility:hidden;
                clear:both;
            }
            .menu{
                position:relative;
                height:30px;
                line-height:30px;
                width:412px;
                margin:20px auto;
                background:#000;
                overflow:hidden;
            }
            .menu ul{
                position:relative;
            }
            .menu li{
                float:left;
                height:100%;
            }
            .menu li a{
                display:block;
                padding:0 18px;
                color:#fff;
                font-size:14px;
            }
            .box{
                height:100%;
                position:absolute;
                top:0;
                left:0;
                width:64px;
                background:deeppink;
                overflow:visible;
                -webkit-filter: blur(0px);
            }
            .box .left,.box .right{
                width:0;
                height:100%;
                position:absolute;
                top:0;
                border-radius:50%;
                -webkit-border-radius:50%;
            }
            .box .left{
                left:0;
                background:deeppink;
            }
            .box .right{
                right:0;
                background:#000;
            }
    
            .box.active .left{
                background: #000000;
            }
            .box.active .right{
                background: deeppink;
            }
        </style>
    </head>
    <body>
    <div class="menu">
        <div class="box">
            <div class="left"></div>
            <div class="right"></div>
        </div>
        <ul class="clearfix">
            <li ind="1"><a href="javascript:void(0);">首页</a></li>
            <li ind="2"><a href="javascript:void(0);">课程</a></li>
            <li ind="3"><a href="javascript:void(0);">视频</a></li>
            <li ind="4"><a href="javascript:void(0);">问答</a></li>
            <li ind="5"><a href="javascript:void(0);">会员</a></li>
            <li ind="6"><a href="javascript:void(0);">联系方式</a></li>
        </ul>
    </div>
    </body>
    <script src="../jquery-1.11.3.min.js"></script>
    <script>
        var lastIndex=0;
        $(".menu li").hover(function(){
            var $this=$(this),
                    $index=$this.index(),
                    $width=$this.width(),
                    num= 0,timer1,flag=$index;
            for(var i=0;i<$index;i++){
                num+=$this.siblings().eq(i).width();
            }
            var f=1;
            if(lastIndex>$index){//向左
                f=-1;
            }else{//向右
                f=1;
            }
            var i = Math.abs($index-lastIndex);
            lastIndex = $index;
            clearTimeout(timer1);
            timer1=window.setTimeout(function(){
                $(".box").css({$width}).animate({left:num},100*i).delay(10);
                if(f>0){//向右
                    $(".box").addClass("active");
                }else{
                    $(".box").removeClass("active");
                }
                $(".left").animate({"30",left:"-15px"},100*i).animate({0,left:0},20);
                $(".right").animate({"30px",right:"-15px"},100*i).animate({0,right:0},20);
    
            },100);
        },function(){
        })
    </script>
    </html>
    View Code

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  • 原文地址:https://www.cnblogs.com/dongxiaolei/p/6424385.html
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