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jq 輪播圖(移動)

<!DOCTYPE html>
<html>
<head >
    <meta charset="UTF-8">
    <title></title>
    <style>
        *{
            padding: 0;
            margin: 0;
            list-style: none;
        }
        #viewBox{
            position: relative;
            width: 1226px;
            height: 460px;
            margin: 50px auto;
            overflow: hidden;
        }
        ul{
            width: 7356px;
            position: absolute;
            left: 0;
        }
        ul li{
            float: left;
        }
        img{
            width: 1226px;
            height: 460px;
        }
        #pre,
        #next{
            position: absolute;
            width: 41px;
            height: 69px;
            background-image: url("img/icon-slides.png");
            background-repeat: no-repeat;
            color: #fff;
            top: 50%;
            font-size: 20px;
            line-height: 60px;
            text-align: center;
            cursor: pointer;
        }
        #pre{
            left: 0;
            background-position: -84px 50%;
        }
        #pre:hover{
            background-position: 0 50%;
        }
        #next{
            right: 0;
            background-position: -125px 50%;
        }
        #next:hover{
            background-position: -42px 50%;
        }
        #dot{
            position: absolute;
            bottom: 20px;
            right: 20px;
        }
        #dot span{
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: #7d7d7d;
            margin-left: 10px;
            border:2px solid rgba(0,0,0,.4);
        }
        #dot span.active{
            background-color: #e1e1e1;
        }
    </style>
</head>
<body>
<div id="viewBox">
    <ul>
        <li><img src="https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/32cadfb485a10bdcae1f7c20cbee52ba.jpg?w=2452&h=920" alt=""/></li>
        <li><img src="https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/30e16d3039339544df124e1f093b2e07.jpg?thumb=1&w=1226&h=460&f=webp&q=90" alt=""/></li>
        <li><img src="https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/ac6bc74d8ad846e759471ffce1f53202.jpg?thumb=1&w=1226&h=460&f=webp&q=90" alt=""/></li>
        <li><img src="https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/1b1d3d2a8e50d6445d471322b70d3aea.jpg?thumb=1&w=1226&h=460&f=webp&q=90" alt=""/></li>
        <li><img src="https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/5f8d27f0498561818146b7ef78392f33.jpg?thumb=1&w=1226&h=460&f=webp&q=90" alt=""/></li>
        <li><img src="https://cdn.cnbj1.fds.api.mi-img.com/mi-mall/32cadfb485a10bdcae1f7c20cbee52ba.jpg?w=2452&h=920" alt=""/></li>
    </ul>
    <p id="dot"> <span class="active"></span><span></span><span></span><span></span><span></span> </p>
    <span id="pre"> </span>
    <span id="next"> </span>
</div>
<script src="jquery-3.4.1.js"></script>
<script>
    var index=0;
    var timer;
    $("#pre").click(function () {
        index--;
        if(index<0){
            index=$("ul li").length-1;
            $("#viewBox ul").css({"left":-index*1226});
            index--;
        }
        $("#viewBox ul").stop();
        $("#viewBox ul").animate({"left": -index*1226});
        $("#dot span").eq(index).addClass("active").siblings("span").removeClass("active");
    });
    $("#next").click(function () {
        index++;
        if(index==$("ul li").length-1){
            $("#dot span").eq(0).addClass("active").siblings("span").removeClass("active");
        }
        if(index>$("ul li").length-1){
            index=0;
            $("#viewBox ul").css({"left":-index*1226});
            index++
        }
        $("#viewBox ul").stop();
        $("#viewBox ul").animate({"left": -index*1226});
        $("#dot span").eq(index).addClass("active").siblings("span").removeClass("active");

    });
    $("#dot span").mouseover(function () {
        index=$(this).index();
        $("#viewBox ul").stop();
        $("#viewBox ul").animate({"left": -index*1226});
        $(this).addClass("active").siblings("span").removeClass("active");

    })
    timer = setInterval(function(){
        index++;
        if(index==$("ul li").length-1){
            $("#dot span").eq(0).addClass("active").siblings("span").removeClass("active");
        }
        if(index>$("ul li").length-1){
            index=0;
            $("#viewBox ul").css({"left":-index*1226});
            index++
        }
        $("#viewBox ul").stop();
        $("#viewBox ul").animate({"left": -index*1226});
        $("#dot span").eq(index).addClass("active").siblings("span").removeClass("active");

    },3000);
    $("#viewBox").hover(function(){
        clearInterval(timer);
    },function(){
        timer = setInterval(function(){
            index++;
            if(index==$("ul li").length-1){
                $("#dot span").eq(0).addClass("active").siblings("span").removeClass("active");
            }
            if(index>$("ul li").length-1){
                index=0;
                $("#viewBox ul").css({"left":-index*1226});
                index++
            }
            $("#viewBox ul").stop();
            $("#viewBox ul").animate({"left": -index*1226});
            $("#dot span").eq(index).addClass("active").siblings("span").removeClass("active");

        },3000);
    })
</script>
</body>
</html>
jq 輪播圖(移動)
jquery 輪播圖
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