【遮罩】【滑动时防止遮罩下页面随动的实现】

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <script src="//cdn.qinsilk.com/res/lib/js/jquery-3.1.1.min.js"></script>
    <title>滑动时阻止遮罩以下的页面随动</title>
    <style>
        body {
            position: relative;
            height: 1000px;
        }
        /*遮罩的样式*/
        .shade {
            position: absolute;
            box-sizing: border-box;
            margin-top: -65px;
            left: 0;
            top: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 131452;
            width: 100%;
            height: 100%;
        }

        .layer-show {
            display: none;
        }
    </style>
</head>
<body>
<div class="shade layer-show"></div>
<button>show-shade</button>
<script>
    $(document).on('click', 'button', function () {
        // 为遮罩添加阻止事件
        $('.shade').removeClass('layer-show').on('touchmove', function (e) {
            e.preventDefault();
        }, false);
    });

    // $(document).on('click', '.shade', function () {
    //     $(this).addClass('layer-show');
    // })
</script>
</body>
</html>

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转载自blog.csdn.net/qq_39643614/article/details/82253340