焦点式轮播图

编辑本博客

  • mouseenter()鼠标移入
  • 用index记录层级
  • .eq根据下标过滤
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>焦点式轮播图</title>
    <script src="js/jquery-3.3.1.js"></script>
    <style type="text/css">
        *{
            padding: 0;
            margin: 0;
        }
        #lb{
            width: 590px;
            height: 470px;
            margin: 30px auto;
            border:1px solid #A9A9A9;
            overflow: hidden;
            position: relative;
        }
        ul,ol{
            list-style:none;
        }
        #lb ul{
            height: 100%;
            width: 100%;
            position: relative;
            z-index: 1;
        }
        #lb>ul>li{
            position: absolute;
            top: 0;
            right: 0;
        }
        #lb ol{
            height: 25px;
            position: absolute;
            z-index: 2;
            bottom: 10px;
            right: 0px;
        }
        #lb>ol>li{
            cursor: pointer;
        }
        ol>li{
            float: left;
            width: 20px;
            height: 25px;
            line-height: 25px;
            margin-right: 10px;
            text-align: center;
            background-color: #bca891;
        }
        #lb ol .active{
            border: 1px solid orange;
            padding: 1px;
            color: orange;
            margin-top: -2px;
        }
    </style>
</head>
<body>
    <div id="lb">
        <ul>
            <li style="z-index:1;"><a href="#"><img src="img/lb/1.jpg"></a></li>
            <li><a href="#"><img src="img/lb/2.jpg"></a></li>
            <li><a href="#"><img src="img/lb/3.jpg"></a></li>
            <li><a href="#"><img src="img/lb/4.jpg"></a></li>
            <li><a href="#"><img src="img/lb/5.jpg"></a></li>
        </ul>
        <ol>
            <li class="active">1</li>
            <li>2</li>
            <li>3</li>
            <li>4</li>
            <li>5</li>
        </ol>
    </div>
</body>
<script type="text/javascript">
    $(function () {
        var index=0;
        $("#lb>ol>li").mouseenter(function () {
            //.prev().children($(this).index()).css("z-index",3)
            // console.log($(this).parent())
            //修改下标
            $(this).addClass('active').siblings('li').removeClass('active');
            //修改图标
            index++;
            $("#lb>ul>li").eq($(this).index()).css({'z-index':index,"left":590}).animate({"left":0},1000)
        })
    })
</script>
</html>
View Code

 

posted @ 2018-06-20 11:31  丫丫625202  阅读(150)  评论(0编辑  收藏  举报