js监听滚动条判断滚动条触底

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
     
     
            height: 5000px;
            background: pink;
        }
    </style>
</head>
<body>
    <div class="box">33</div>
    <script>
         window.addEventListener('scroll',function(){
     
     
          // 滚动视口高度(也就是当前元素的真实高度)
         let scrollHeight = document.documentElement.scrollHeight || document.body.scrollHeight;
         // 可见区域高度
         let clientHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
         // 滚动条顶部到浏览器顶部高度
         let scrollTop = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop;
         if(clientHeight + scrollTop == scrollHeight){
     
     
            console.log('滚动条触底了')
         }
     })
    </script>
</body>
</html>

猜你喜欢

转载自blog.csdn.net/weixin_35958891/article/details/108843364