前端开发页面滚动特效

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代码片段 1

<!doctype html>
<html lang=”en”>
<head>
    <meta charset=”UTF-8″>
    <title>前端必备开发工具:页面滚动特效</title>
    <meta name=”viewport” content=”width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no”
    />
    <script type=”text/javascript” src=”http://www.update8.com/images/js/jquery.min.js”></script>
    <script type=”text/javascript” src=”http://fm.ttpod.com/js/vendor/jquery.mousewheel/jquery.mousewheel.js”></script>
    <script type=”text/javascript” src=”http://fm.ttpod.com/js/vendor/jquery.easing/jquery.easing.1.3.min.js”></script>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        html,
        body {
            overflow: hidden;
        }
        body {
            position: relative;
            background: #fff;
            font-family: “微软雅黑”
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-size: 14px;
            font-style: normal;
            font-weight: 400;
        }
        li,
        ul {
            list-style: none;
        }
        #wrap {
            overflow: hidden;
        }
        #wrap .section {
            position: relative;
            overflow: hidden;
        }
        .box {
            width: 1100px;
            margin: 0 auto;
            position: relative;
        }
        .section1 {
            background: url(http://fm.ttpod.com/css/img/down/banner.jpg) no-repeat center center;
        }
        .fm-tit {
            position: absolute;
            bottom: 40%;
            left: 10%;
            opacity: 0
        }
        .d-btn {
            position: absolute;
            bottom: 10%;
            left: 10%;
            opacity: 0
        }
        .d-btn span,
        .d-btn .code {
            display: inline-block;
            vertical-align: middle;
        }
        .d-btn span a {
            display: inline-block;
            width: 246px;
            height: 80px;
            text-indent: -9999px;
            background: url(https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg) no-repeat;
        }
        .d-btn span.d1 a {
            background-position: 0 -591px;
        }
        .d-btn span.d2 a {
            background-position: 0 -351px;
        }
        .section2 {
            background-color: #f1f1f1;
        }
        .se-head {
            text-align: center;
            padding: 40px 0 0;
        }
        .se-head .title {
            width: 420px;
            height: 60px;
            margin: 0 auto;
            background: url(https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg) no-repeat;
        }
        .se-head .title.t1 {
            background-position: 0 -231px;
        }
        .se-head .title.t2 {
            background-position: 0 -171px;
        }
        .se-head h6 {
            font-size: 24px;
            line-height: 30px;
            color: #999;
        }
        .c2>span {
            position: absolute;
        }
        .cont2 {
            bottom: -150px;
            left: 50%;
            margin-left: -179px;
            opacity: 0
        }
        .op {
            left: 50%;
            opacity: 0
        }
        .op1 {
            bottom: -60px;
            margin-left: -300px;
        }
        .op2 {
            bottom: -50px;
            margin-left: 85px;
        }
        .op3 {
            bottom: 125px;
            margin-left: -385px;
        }
        .op4 {
            bottom: 105px;
            margin-left: 240px;
        }
        .op5 {
            bottom: 150px;
            margin-left: 155px;
        }
        .op6 {
            bottom: 250px;
            margin-left: -235px;
        }
        .tx {
            padding: 5px 15px;
            border: 1px solid #d8d8d8;
            border-radius: 5px;
            background-color: #fff;
            opacity: 0
        }
        .tx1 {
            left: 110px;
            bottom: 20px
        }
        .tx2 {
            left: 75px;
            bottom: 75px
        }
        .tx3 {
            left: 20px;
            bottom: 220px
        }
        .tx4 {
            left: 110px;
            bottom: 300px
        }
        .tx5 {
            left: 190px;
            bottom: 320px
        }
        .tx6 {
            left: 350px;
            bottom: 420px
        }
        .tx7 {
            left: 610px;
            bottom: 440px
        }
        .tx8 {
            right: 150px;
            bottom: 280px
        }
        .tx9 {
            right: 110px;
            bottom: 120px
        }
        .tx10 {
            right: 110px;
            bottom: 220px
        }
        .tx11 {
            right: 215px;
            bottom: 320px
        }
        .tx12 {
            right: 110px;
            bottom: 420px
        }
        .tx13 {
            right: 141px;
            bottom: 50px
        }
        .tx14 {
            right: 176px;
            bottom: 11px
        }
        .picWrap {
            position: relative;
            width: 540px;
            height: 540px;
            background: url(“https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg”) no-repeat 0 -1541px;
            margin: 0 auto;
        }
        .picWrap .pt {
            position: absolute;
            width: 160px;
            height: 160px;
            background: url(“http://fm.ttpod.com/css/img/down/pic.jpg”) no-repeat;
            border-radius: 50%;
            z-index: 1;
            opacity: 0
        }
        .picWrap .p1 {
            background-position: 0 0;
            left: 195px;
            top: -75px;
        }
        .picWrap .p2 {
            background-position: 0 -160px;
            left: -42px;
            top: 60px;
        }
        .picWrap .p3 {
            background-position: 0 -319px;
            left: -41px;
            top: 318px;
        }
        .picWrap .p4 {
            background-position: 0 -480px;
            left: 180px;
            top: 421px;
        }
        .picWrap .p5 {
            background-position: 0 -640px;
            left: 418px;
            top: 319px;
        }
        .picWrap .p6 {
            background-position: 0 -800px;
            left: 420px;
            top: 60px;
        }
        .picWrap .ht {
            position: absolute;
            padding-bottom: 21px;
            opacity: 0
        }
        .picWrap .ht.tit1 {
            left: -275px;
            top: 30px;
        }
        .picWrap .ht i {
            position: absolute;
            background: url(“https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg”)
        }
        .picWrap .ht.tit1 .icon-down-line1 {
            background-position: 0 -70px;
            width: 120px;
            height: 21px;
            bottom: 0;
            right: 0;
        }
        .picWrap .ht-c {
            position: relative;
            width: 200px;
            min-height: 40px;
            border: 1px solid#d8d8d8;
            border-radius: 3px;
            padding: 0 50px 8px 5px;
            background-color: #fff
        }
        .picWrap .ht span {
            font-size: 10px;
            color: #999;
        }
        .picWrap .ht img {
            width: 40px;
            height: 40px;
            position: absolute;
            right: 5px;
            top: 5px;
        }
        .picWrap .ht.tit2 {
            left: 550px;
            bottom: 190px;
        }
        .picWrap .ht.tit2 .icon-down-line2 {
            background-position: 0 -28px;
            width: 120px;
            height: 21px;
            bottom: 0;
            left: 0;
        }
        .section4 {
            background-color: #e1e1e1
        }
        .map {
            position: relative;
            bottom: 0;
            height: 650px
        }
        .map>div {
            position: absolute;
            opacity: 0
        }
        .map .map1 {
            left: 27px;
            bottom: -100px
        }
        .map .map2 {
            left: 27px;
            bottom: -100px
        }
        .map .map3 {
            left: 27px;
            bottom: -100px
        }
        .map .map4 {
            left: 27px;
            bottom: -100px
        }
        .map .map5 {
            left: 27px;
            bottom: -100px
        }
        .codeShow {
            text-align: center;
            padding: 50px 0;
        }
        .codeShow p {
            font-size: 36px;
            line-height: 50px;
            color: #999;
        }
        .dBtn {
            margin-top: 40px;
        }
        .dBtn a {
            display: inline-block;
            width: 246px;
            height: 76px;
            line-height: 76px;
            font-size: 28px;
            margin: 0 15px;
            text-decoration: none;
            color: #333;
            background-color: #e5e5e5;
            border-radius: 5px;
            border: 2px solid #d8d8d8;
        }
        #navLi {
            position: fixed;
            right: 50px;
            top: 50%;
        }
        #navLi li {
            width: 15px;
            height: 15px;
            background-color: blue;
            border-radius: 50%;
            margin: 5px 0;
        }
        #navLi li.current {
            background-color: #ff6600
        }
        .animation {
            -webkit-animation: bounceIn .8s .2s ease both;
            -moz-animation: bounceIn .8s .2s ease both;
            animation: bounceIn .8s .2s ease both;
            -o-animation: bounceIn .8s .2s ease both
        }
        @-webkit-keyframes bounceIn {
            0% {
                opacity: 0;
                -webkit-transform: scale(.3)
            }
            50% {
                opacity: .8;
                -webkit-transform: scale(1.05)
            }
            70% {
                -webkit-transform: scale(.9)
            }
            100% {
                opacity: 1;
                -webkit-transform: scale(1)
            }
        }
        @-moz-keyframes bounceIn {
            0% {
                opacity: 0;
                -moz-transform: scale(.3)
            }
            50% {
                opacity: .8;
                -moz-transform: scale(1.05)
            }
            70% {
                -moz-transform: scale(.9)
            }
            100% {
                opacity: 1;
                -moz-transform: scale(1)
            }
        }
        @keyframes bounceIn {
            0% {
                opacity: 0;
                transform: scale(.3)
            }
            50% {
                opacity: .8;
                transform: scale(1.05)
            }
            70% {
                transform: scale(.9)
            }
            100% {
                opacity: 1;
                transform: scale(1)
            }
        }
        .animation1 {
            -webkit-animation: mapo1 1.2s both;
            -moz-animation: mapo1 1.2s ease both;
            animation: mapo1 1.2s ease both;
            -o-animation: mapo1 1.2s ease both
        }
        .animation2 {
            -webkit-animation: mapo2 1s 1.2s ease-in-out both;
            -moz-animation: mapo2 1s 1.2s ease-in-out both;
            animation: mapo2 1s 1.2s ease-in-out both;
            -o-animation: mapo2 1s 1.2s ease-in-out both
        }
        .animation3 {
            -webkit-animation: mapo3 1s 1.2s ease both;
            -moz-animation: mapo3 1s 1.2s ease both;
            animation: mapo3 1s 1.2s ease both;
            -o-animation: mapo3 1s 1.2s ease both
        }
        .animation4 {
            -webkit-animation: mapo4 1s 1.2s ease-in-out both;
            -moz-animation: mapo4 1s 1.2s ease-in-out both;
            animation: mapo4 1s 1.2s ease-in-out both;
            -o-animation: mapo4 1s 1.2s ease-in-out both
        }
        .animation5 {
            -webkit-animation: mapo5 1s 1.8s ease-in-out both;
            -moz-animation: mapo5 1s 1.8s ease-in-out both;
            animation: mapo5 1s 1.8s ease-in-out both;
            -o-animation: mapo5 1s 1.8s ease-in-out both
        }
        @-webkit-keyframes mapo1 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 0px
            }
        }
        @-moz-keyframes mapo1 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 0px
            }
        }
        @keyframes mapo1 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 0px
            }
        }
        @-webkit-keyframes mapo2 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 0px
            }
        }
        @-moz-keyframes mapo2 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 0px
            }
        }
        @keyframes mapo2 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 0px
            }
        }
        @-webkit-keyframes mapo3 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 0px
            }
        }
        @-moz-keyframes mapo3 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 0px
            }
        }
        @keyframes mapo3 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 0px
            }
        }
        @-webkit-keyframes mapo4 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 38px
            }
        }
        @-moz-keyframes mapo4 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 38px
            }
        }
        @keyframes mapo4 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: 38px
            }
        }
        @-webkit-keyframes mapo5 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: -4px
            }
        }
        @-moz-keyframes mapo5 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: -4px
            }
        }
        @keyframes mapo5 {
            0% {
                opacity: 0
            }
            100% {
                opacity: 1;
                bottom: -4px
            }
        }
        .paused {
            animation-play-state: paused;
            -webkit-animation-play-state: paused
        }
    </style>
</head>
<body>
    <div id=”wrap”>
        <div class=”section section1″>
            <div class=”fm-tit”>
                <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg” />
            </div>
            <div class=”d-btn”>
                <span class=”d1″>
                    <a href=”#”>iphone</a>
                </span>
                <span class=”d2″>
                    <a href=”#”>and</a>
                </span>
                <em class=”code”>
                    <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg” width=”95″ height=”95″
                    />
                </em>
            </div>
        </div>
        <div class=”section section2″>
            <div class=”box”>
                <div class=”se-head”>
                    <h1 class=”title t1″></h1>
                    <h6>精心打造独具特色的主题频道,多元化的声音内容服务</h6>
                    <div class=”c2″>
                        <span class=”op op3″>
                            <img src=”http://fm.ttpod.com/css/img/down/op3.jpg”>
                        </span>
                        <span class=”op op1″>
                            <img src=”http://fm.ttpod.com/css/img/down/op1.jpg”>
                        </span>
                        <span class=”op op5″>
                            <img src=”http://fm.ttpod.com/css/img/down/op5.jpg”>
                        </span>
                        <span class=”op op4″>
                            <img src=”http://fm.ttpod.com/css/img/down/op4.jpg”>
                        </span>
                        <span class=”op op2″>
                            <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg”>
                        </span>
                        <span class=”op op6″>
                            <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg”>
                        </span>
                        <span class=”tx tx1″>情歌</span>
                        <span class=”tx tx2″>轻音乐</span>
                        <span class=”tx tx3″>Hot爆新歌</span>
                        <span class=”tx tx4″>日韩</span>
                        <span class=”tx tx5″>小清新</span>
                        <span class=”tx tx6″>华语</span>
                        <span class=”tx tx7″>运动</span>
                        <span class=”tx tx8″>欧美大咖</span>
                        <span class=”tx tx9″>影视原声</span>
                        <span class=”tx tx10″>独立派</span>
                        <span class=”tx tx11″>天天播报</span>
                        <span class=”tx tx12″>旅行</span>
                        <span class=”tx tx13″>红茶馆</span>
                        <span class=”tx tx14″>青春</span>
                        <span class=”cont2″>
                            <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg”>
                        </span>
                    </div>
                </div>
            </div>
        </div>
        <div class=”section section3″>
            <div class=”box”>
                <div class=”se-head”>
                    <h1 class=”title t2″></h1>
                    <h6>拥有独特的用户协同共享机制,由大众精挑细选,精彩源源不断</h6>
                </div>
                <div class=”picWrap”>
                    <span class=”pt p1″></span>
                    <span class=”pt p2″></span>
                    <span class=”pt p3″></span>
                    <span class=”pt p4″></span>
                    <span class=”pt p5″></span>
                    <span class=”pt p6″></span>
                    <div class=”ht tit1″>
                        <i class=”icon-down-line1″></i>
                        <div class=”ht-c”>
                            <span>这首歌很赞!大家快来试听下吧,都来支持我们的偶像好吗?</span>
                            <img src=”http://fm.ttpod.com/css/img/down/photo1.jpg”>
                        </div>
                    </div>
                    <div class=”ht tit2″>
                        <i class=”icon-down-line2″></i>
                        <div class=”ht-c”>
                            <span>这个频道不错,占个位先!我会常来挖掘喜爱的音乐哦… </span>
                            <img src=”http://fm.ttpod.com/css/img/down/photo3.jpg”>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class=”section section4″>
            <div class=”box”>
                <div class=”se-head”>
                    <h1 class=”title t2″></h1>
                    <h6>拥有独特的用户协同共享机制,由大众精挑细选,精彩源源不断</h6>
                </div>
                <div class=”map”>
                    <div class=”map1″>
                        <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg”>
                    </div>
                    <div class=”map2″>
                        <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg”>
                    </div>
                    <div class=”map3″>
                        <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg”>
                    </div>
                    <div class=”map4″>
                        <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg”>
                    </div>
                    <div class=”map5″>
                        <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg”>
                    </div>
                </div>
            </div>
        </div>
        <div class=”section section5″>
            <div class=”codeShow”>
                <img src=”https://www.rokub.com/wp-content/uploads/2018/05/9c240144-51e5-11e8-aa8d-484d7ebf651c-520×245.jpg” width=”150″
                 height=”150″> 扫描二维码下载APP
                <div class=”dBtn”>
                    <a href=”#” class=”a1″>iPhone下载</a>
                    <a href=”#” class=”a2″>Android下载</a>
                </div>
            </div>
        </div>
    </div>
    <script type=”text/javascript”>
        var winH = document.documentElement.clientHeight || document.body.clientHeight;
        var wrap = $(‘#wrap’), section = wrap.find(‘.section’), len = section.length, box = $(‘.box’), m, index = 1, c = $(“.cont2”), TS = {}
        var ul = document.createElement(‘ul’);
        ul.setAttribute(‘id’, ‘navLi’)
        $.each(section, function (i, n) {
            box[0].style.height = n.style.height = winH + ‘px’;
            var li = document.createElement(‘li’);
            li.className = ‘li’ + parseInt(i + 1);
            ul.appendChild(li)
        })
        wrap[0].appendChild(ul)
        $(‘#navLi’).find(‘li’).eq(0).addClass(‘current’);
        $(‘#navLi’).css(‘margin-top’, -parseInt(($(‘#navLi’)[0].offsetHeight) / 2))
        function h() {
            winH = document.documentElement.clientHeight || document.body.clientHeight;
            $.each(section, function (i, n) {
                box[0].style.height = n.style.height = winH + ‘px’
            })
        }
        h()
        window.onresize = function () {
            h();
            var tt = section.eq(index – 1).offset().top;
            $(‘html,body’).stop().animate({ scrollTop: tt }, 600);
            $(‘#navLi’).css(‘margin-top’, -parseInt(($(‘#navLi’)[0].offsetHeight) / 2))
        }
        function $$(obj) {
            if (obj) {
                return document.getElementById(obj);
            }
        }
        $(window).on(‘mousewheel’, function (i, a) {
            i.preventDefault();
            m || (m = setTimeout(function () {
                m = null
            }, 500), (a > 0) ? TS.up() : (a < 0) && TS.down())
        });
        TS = {
            an: function (obj, n) {
                setTimeout(function () {
                    obj.addClass(‘animation’)
                }, n)
            },
            an1: function (obj, className, n) {
                setTimeout(function () {
                    obj.addClass(className)
                }, n)
            },
            section1: function () {
                var t = this.top(‘.section1’);
                this.scrollTop(t)
                $(‘.fm-tit,.d-btn’).addClass(“paused”).removeClass(“animation”);
                setTimeout(function () {
                    $(‘.fm-tit,.d-btn’).removeClass(‘paused’)
                    TS.an($(‘.fm-tit’), 500), TS.an($(‘.d-btn’), 1000)
                })
            },
            section2: function () {
                var t = this.top(‘.section2’);
                this.scrollTop(t)
                $(“.op,.tx,.cont2”).addClass(“paused”).removeClass(“animation”);
                c.css({ top: 1e3, opacity: 0 }, 100)
                setTimeout(function () {
                    c.animate({ top: 280, opacity: 1 }, { easing: “easeInOutCirc”, duration: 1e3 }),
                        $(“.op”).addClass(“animation”), $(“.op,.tx”).removeClass(“paused”), TS.an($(“.tx6”), 1e3), TS.an($(“.tx11”), 1e3), TS.an($(“.tx10”), 1e3), TS.an($(“.tx2”), 1e3), TS.an($(“.tx12”), 1e3), TS.an($(“.tx1”), 1600), TS.an($(“.tx3”), 1600), TS.an($(“.tx4”), 1600), TS.an($(“.tx5”), 1600), TS.an($(“.tx7”), 1600), TS.an($(“.tx8”), 1600), TS.an($(“.tx9”), 1600), TS.an($(“.tx13”), 1600), TS.an($(“.tx14”), 1600)
                }, 800)
            },
            section3: function () {
                var t = this.top(‘.section3’), mm = null;
                this.scrollTop(t)
                $(‘.pt,.ht’).addClass(“paused”).removeClass(“animation”);
                clearTimeout(mm)
                mm = setTimeout(function () {
                    $.each($(‘.pt,.ht’), function (i, n) {
                        $(n).removeClass(‘paused’),
                            TS.an($(n), i * 300)
                    })
                }, 800)
            },
            section4: function () {
                var t = this.top(‘.section4’), ti = null;
                this.scrollTop(t)
                var div = $(‘.map’).children(‘div’);
                for (var i = 0; i < div.length; i++) {
                    div.eq(i).removeClass(‘animation’ + parseInt(i + 1))
                };
                clearTimeout(ti)
                ti = setTimeout(function () {
                    for (var i = 0; i < div.length; i++) {
                        TS.an1(div.eq(i), (‘animation’ + parseInt(i + 1)), i * 300);
                    };
                }, 500)
            },
            section5: function () {
                var t = this.top(‘.section5’);
                this.scrollTop(t)
            },
            scrollTop: function (n) {
                $(‘html,body’).stop().animate({ scrollTop: n }, 600);
            },
            up: function () {
                if (index <= 1) {
                    return false
                    index = 1
                } else {
                    index–
                }
                this.go(index);
                this.nav(index)
                console.log(‘上’)
            },
            down: function () {
                if (index >= len) {
                    return false
                    index = len
                } else {
                    index++
                }
                this.go(index);
                this.nav(index)
                console.log(‘下’)
            },
            go: function (num) {
                switch (num) {
                    case 1:
                        TS.section1();
                        break;
                    case 2:
                        TS.section2();
                        break;
                    case 3:
                        TS.section3();
                        break;
                    case 4:
                        TS.section4();
                        break;
                    case 5:
                        TS.section5();
                        break;
                }
            },
            nav: function (n) {
                $(‘#navLi’).find(‘li’).removeClass(‘current’),
                    $(‘#navLi’).find(‘li’).eq(n – 1).addClass(‘current’)
            },
            top: function (obj) {
                return $(obj).offset().top
            }
        }
        var li = $(‘#navLi’).find(‘li’);
        li.on(‘click’, function () {
            index = li.index(this) + 1
            TS.go(index);
            TS.nav(index)
        }), $(document).on(‘keyup’, function (e) {
            console.log(e.keyCode);
            e.preventDefault()
            var code = e.keyCode;
            if (code == 40 || code == 39) {
                TS.down()
            } else if (code == 38 || code == 37) {
                TS.up()
            }
        }), TS.section1()
    </script>
</body>
</html>

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