HTML--简单的轮播图

最新推荐文章于 2024-12-16 10:55:03 发布

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>轮播图</title>
    <style>
        .img-big{
            width: 400px;
            height: 300px;
            border: 4px solid rgb(60, 102, 156);
            margin: 0 auto;
        }
        .img-sim{
            width: 400px;
            height: 300px;
            display: none;
        }
        .img-block{
            display: block;
        }
    </style>
</head>
<body>
    <div class="img-big">
        <img src="img/img01.webp" alt="1" class="img-sim img-block">
        <img src="img/img02.webp" alt="2" class="img-sim">
        <img src="img/img03.webp" alt="3" class="img-sim">
    </div>
</body>
<script>
    var index = 0;
    // 定时器
    setInterval(function(){
        index++;
        var small_img = document.getElementsByClassName('img-sim')
        //判断index值是否过多
        if (index >= small_img.length) index = 0
        //循环遍历每个图片 使其隐藏
        for (const n of small_img) {
            n.style.display = 'none'
        }
        //给index位置上的图片 使其显示
        small_img[index].style.display = 'block'
        //时间
    },1000)
</script>
</html>