jquery——无缝滚动

无缝滚动：
<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>无缝滚动</title>

    <script type="text/javascript" src="jquery-1.12.4.min.js"></script>

    <style type="text/css">

        body,ul,li{

            margin:0;

            padding:0;

        }

        ul{list-style: none;}

        .slide{

            width:500px;

            height:100px;

            border:1px solid #ddd;

            margin:20px auto 0;

            position: relative;

            overflow:hidden;

        }

        .slide ul{

            position: absolute;

            width:1000px;

            height:100px;

            left:0;

            top:0;

        }

        .slide ul li{

            width:90px;

            height:90px;

            margin:5px;

            background-color: antiquewhite;

            line-height: 90px;

            text-align:center;

            font-size:30px;

            float:left;

        }

        .btns{

            width:500px;

            height:50px;

            margin:10px auto 0;

        }

    </style>

    <script type="text/javascript">

        $(function () {

            var $ul = $('#slide ul');

            var left = 0;

            var speed = 2;

            $ul.html($ul.html()+$ul.html());

            var move = function () {

                left-=speed;

                if(left<-500){

                    left = 0;

                }

                if(left>0){

                    left = -500;

                }

                $ul.css({left:left});

            };

            var timer = setInterval(move,30);

            $('#btn1').click(function () {

                speed = 2;

            });

            $('#btn2').click(function () {

                speed = -2;

            });

            $('#slide').mouseover(function () {

                clearInterval(timer);

            });

            $('#slide').mouseout(function () {

                timer = setInterval(move,30);

            })

        })

    </script>

</head>

<body>

    <div class="btns">

        <input type="button" name="" value="向左" id="btn1">

        <input type="button" name="" value="向右" id="btn2">

    </div>

    <div class="slide" id="slide">

        <ul>

            <li>1</li>

            <li>2</li>

            <li>3</li>

            <li>4</li>

            <li>5</li>

        </ul>

    </div>

</body>

</html>
效果展示：
巴特西

jquery——无缝滚动

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