动态打开五个DIV BOX的效果

时间：2025-03-11 访问量：0
一开始是五个 five-list是叠在一起的，位于页面正中间，然后当页面滑动到 .five-jpg进入视窗以后，五个five-list分别展开，第一个和第二个回到最上面，第三个在中间，第四个第五个在第三排
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Five List Scroll Animation</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <style>
        body {
            margin: 0;
            padding: 0;
            height: 2000px;
        }
        .container.five-jpg {
            position: relative;
            min-height: calc(3.5 * var(--five-list-height));
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
        }
        .five-list {
            position: absolute;
            width: 45%;
            transition: all 2s ease-in-out;
            opacity: 0;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .five-list img {
            width: 100%;
        }
        .visible {
            opacity: 1;
        }
    </style>
</head>
<body>

<div style="height: 1500px;"></div>

<div class="container five-jpg" id="fiveJpg">
    <div class="col-md-6 five-list" id="item1"><img src="seo.jpg" alt=""></div>
    <div class="col-md-6 five-list" id="item2"><img src="seo.jpg" alt=""></div>
    <div class="col-md-6 five-list" id="item3"><img src="seo.jpg" alt=""></div>
    <div class="col-md-6 five-list" id="item4"><img src="seo.jpg" alt=""></div>
    <div class="col-md-6 five-list" id="item5"><img src="seo.jpg" alt=""></div>
</div>

<div style="height: 1500px;"></div>

<script>
    $(document).ready(function() {
        function updateContainerHeight() {
            let itemHeight = $('.five-list img').height();
            document.documentElement.style.setProperty('--five-list-height', itemHeight + 'px');
        }
        
        updateContainerHeight();
        $(window).on('resize', updateContainerHeight);

        $(window).on('scroll', function() {
            let sectionOffset = $('#fiveJpg').offset().top;
            let scrollPosition = $(window).scrollTop() + $(window).height();
            
            if (scrollPosition > sectionOffset) {
                $('#item1').addClass('visible').css({ top: '0%', left: '0%', transform: 'none' });
                $('#item2').addClass('visible').css({ top: '0%', right: '0%', transform: 'none' });
                $('#item3').addClass('visible').css({ top: '30%', left: '25%', transform: 'none' });
                $('#item4').addClass('visible').css({ top: '60%', left: '0%', transform: 'none' });
                $('#item5').addClass('visible').css({ top: '60%', right: '0%', transform: 'none' });
            }
        });
    });
</script>

</body>
</html>


</body>
</html>

<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js" ></script>