SOURCE

window.slidestalk_sliding = false;
function slidestalkSlide(direction = 'left') {
    let animate_class = direction == 'left' ? 'slidestalk-slide-move-left' : 'slidestalk-slide-move-right';
    if (!window.slidestalk_sliding) {
        window.slidestalk_sliding = true;
        let root = document.documentElement;
        let ele = document.querySelector('div.slidestalk-slide-container>ul');
        let n_offset = parseInt(getComputedStyle(root).getPropertyValue('--slide-offset-x'));
        let scale = parseInt(getComputedStyle(root).getPropertyValue('--slide-container-width')) * (direction == 'left' ? -1 : 1);
        let slider_limit_width = (ele.children.length - 1) * scale;
        if (direction == 'left' && n_offset <= slider_limit_width) {
            window.slidestalk_sliding = false;
            return false;
        } else if (direction == 'right' && n_offset >= 0) {
            window.slidestalk_sliding = false;
            return false;
        } else {
            ele.classList.add(animate_class);
            ele.addEventListener('animationend', function _listener() {
                let cled_offset = n_offset + scale;
                root.style.setProperty('--slide-offset-x', cled_offset);
                ele.classList.remove(animate_class);
                ele.removeEventListener('animationend', _listener, false);
                window.slidestalk_sliding = false;
            }, false);
        }

    }
}

function initSlidestalkSlide(width, height) {
    let root = document.documentElement;
    root.style.setProperty('--slide-container-width', width);
    root.style.setProperty('--slide-container-height', height);

    document.querySelector('.slidestalk-slide-right-trigger').addEventListener('click', function () {
        slidestalkSlide('right');
    }, false);

    document.querySelector('.slidestalk-slide-left-trigger').addEventListener('click', function () {
        slidestalkSlide('left');
    }, false);

    var box = document.querySelector('div.slidestalk-slide-container');
    swipe(box, {
        swipeLeft: function () { slidestalkSlide('left'); },
        swipeRight: function () { slidestalkSlide('right'); },
        swipeDown: function () { },
        swipeUp: function () { },
        drag: function (e) { }
    });
}

initSlidestalkSlide(33, 33);

function swipe(el, options) {
    //设置开关，监听move事件
    var isMove = false;
    // 设置手指触摸开始的坐标
    var startX = 0;
    var startY = 0;
    // 设置手指移动的坐标
    var moveX = 0;
    var moveY = 0;
    //设置指针距离元素的边框的距离
    var disX = 0;
    var disY = 0;
    // 如果用户未传入参数2，自己定义一个
    var data = {
        swipeLeft: function () { },
        swipeRight: function () { },
        swipeDown: function () { },
        swipeUp: function () { },
        drag: function () { }
    }
    // 判断是否传入参数2，有的话覆盖默认值
    Object.assign(data, options);
    // 给元素绑定三个事件
    el.addEventListener('touchstart', function (e) {
        //获取手指开始的坐标
        startX = e.touches[0].pageX;
        startY = e.touches[0].pageY;
        //计算指针距离元素边框的位置
        disX = startX - el.offsetLeft;
        disY = startY - el.offsetTop;
    });
    el.addEventListener('touchmove', function (e) {
        //如果触发了move事件，打开开关
        isMove = true;
        // 获取移动时的坐标
        moveX = e.touches[0].pageX;
        moveY = e.touches[0].pageY;
        e.mation = {
            startX: startX,
            startY: startY,
            moveX: moveX,
            moveY: moveY,
            disX: disX,
            disY: disY
        }
        data.drag.call(el, e);
    });
    el.addEventListener('touchend', function (e) {
        // 判断是否触发了move事件
        if (isMove) {
            // 计算水平边长
            var absX = Math.abs(moveX - startX);
            // 计算垂直边长
            var absY = Math.abs(moveY - startY);
            // 判断垂直还是水平滑动
            if (absX > absY) {
                // console.log('水平滑动');
                //再判断是左滑右滑
                if (moveX - startX > 0) {
                    data.swipeRight.call(el, e);
                } else {
                    data.swipeLeft.call(el, e);
                }
            } else {
                // console.log('垂直滑动');
                //判断是上滑还是下滑
                if (moveY - start > 0) {
                    data.swipeDown.call(el, e);
                } else {
                    data.swipeUp.call(el, e);
                }
            }
        }
        isMove = false;
    });
}

<div class="slidestalk-slide-container">
    <ul>
        <li>
            <img src="http://picture.benshar.com/wp/wp1.jpg" alt="">
            <span class="slides-title">第一张</span>
        </li>
        <li>
            <img src="http://picture.benshar.com/wp/wp2.jpg" alt="">
            <span class="slides-title">第二张</span>
        </li>
        <li>
            <img src="http://picture.benshar.com/wp/wp3.jpg" alt="">
            <span class="slides-title">第三张</span>
        </li>
        <li>
            <img src="http://picture.benshar.com/wp/wp4.jpg" alt="">
            <span class="slides-title">第四张</span>
        </li>
        <li>
            <img src="http://picture.benshar.com/wp/wp5.jpg" alt="">
            <span class="slides-title">第五张</span>
        </li>
        <li>
            <img src="http://picture.benshar.com/wp/wp6.jpg" alt="">
            <span class="slides-title">第六张</span>
        </li>
        <li>
            <img src="http://picture.benshar.com/wp/wp7.jpg" alt="">
            <span class="slides-title">第七张</span>
        </li>
    </ul>
</div>

<button class="slidestalk-slide-right-trigger">Previous</button>
<button class="slidestalk-slide-left-trigger">Next</button>

html,body{
    font-size: 10px;
}

:root {
  --slide-offset-x: 0;
  --slide-container-width: 30;
  --slide-container-height: 30;
}

div.slidestalk-slide-container{
    padding: 0;
    margin: 0;
    width: calc(var(--slide-container-width)*1rem);
    height: calc(var(--slide-container-height)*1rem); 
    overflow: hidden;
}

div.slidestalk-slide-container>ul{
    list-style: none;
    padding: 0;
    margin: 0;
    display: block;
    white-space:nowrap;
    margin-left: calc(var(--slide-offset-x)*1rem);
    font-size: 0;
    width: 100%;
    height: 100%;
}

div.slidestalk-slide-container>ul>li {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    background-color: #eee;
    display: inline-block;
}

div.slidestalk-slide-container>ul>li>img{
    width: 100%;
    height: auto;
    padding: 0;
    margin: 0;
}

div.slidestalk-slide-container .slides-title{
    position: relative;
    display: block;
    font-size: 2rem; 
    left: 0rem;
    bottom: 3rem;
    color: #fff;
    font-weight: bold;
    background: rgba(0,152,50,0.7);
    width: 100%;
    text-align: center;
}

.slidestalk-slide-move-left{
    animation-name: slidestalk_slide_move_left;
    animation-duration: 1s;
    animation-timing-function: ease-in-out;
    animation-iteration-count: 1;
    animation-fill-mode:forwards;
    /* animation-play-state: paused; */
}

@keyframes slidestalk_slide_move_left{
    0%{
        /* transform: translateX(0); */
    }
    100%{
        transform: translateX(calc(var(--slide-container-height)*-1rem));
    }
}

@-webkit-keyframes slidestalk_slide_move_left{
   0%{
        /* transform: translateX(0); */
    }
    100%{
        transform: translateX(calc(var(--slide-container-height)*-1rem));
    }
}

.slidestalk-slide-move-right{
    animation-name: slidestalk_slide_move_right;
    animation-duration: 1s;
    animation-timing-function: ease-in-out;
    animation-iteration-count: 1;
    animation-fill-mode:forwards;
    /* animation-play-state: paused; */
}

@keyframes slidestalk_slide_move_right{
    0%{
        /* transform: translateX(0); */
    }
    100%{
        transform: translateX(calc(var(--slide-container-height)*1rem));
    }
}

@-webkit-keyframes slidestalk_slide_move_right{
   0%{
        /* transform: translateX(0); */
    }
    100%{
        transform: translateX(calc(var(--slide-container-height)*1rem));
    }
}