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  • 移动端长图滑动效果(没有缓冲)

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
        <title>Title</title>
        <style>
            html,body{width: 100%;height: 100%;overflow:hidden}
            *{  margin: 0;padding: 0}
            .main{width: 100%;height: 100%;position: relative;}
            .box{width: 300%;height: 100%;position: absolute;  top:0;left: 0;background: yellowgreen}
        </style>
    </head>
    <body>
    <div class="main">
    <div class="box">
        <span>1111111111111111111111111111111111111111</span>
        <span>2222222222222222222222222222222222222222</span>
        <span>3333333333333333333333333333333333333</span>
    </div>
    </div>
    </body>
    
    <script>
    
        var main = document.getElementsByClassName('main')[0];
        var box = document.getElementsByClassName('box')[0];
        var x1 = 0;
        var boxOffsetLeft = 0;
        var off = 0;
    
        //触摸开始获取鼠标位置和元素距左边距离
        main.addEventListener('touchstart', function (e) {
            off = 1;
            var e = e || event;
            x1 = e.touches[0].pageX;
            boxOffsetLeft = box.offsetLeft;
    
        });
    
    
        main.addEventListener('touchend', function (e) {
            off = 0;
        });
    
    
        main.addEventListener('touchmove', function (e) {
            var e = e || event;
            if (!off)return;
            var x2 = e.touches[0].pageX - x1;//鼠标滑动的距离
            box.style.left = boxOffsetLeft + x2 + 'px';//元素根据鼠标滑动距离移动
            if (box.style.left > 0 + 'px') {
                box.style.left = 0 + 'px'; //左边距离为0时不能往左滑动
            }
            else if (box.offsetLeft < -2 * window.innerWidth) {
                box.style.left = -2 * window.innerWidth + 'px';//右边最后一屏不能继续滑动
            }
        });
    
    
    
    </script>
    </html>
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  • 原文地址:https://www.cnblogs.com/xiaobaibubai/p/7097776.html
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