h5/scrollToBottom.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>监听滚动到底部</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <style>
        body, ul {
            margin: 0;
            padding: 0;
        }
    </style>
</head>
<body>
<ul id="scrollUl" class="scrollUl">
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
    <li class="tabItem">123</li>
</ul>
<script>
    window.onload = function () {
        window.addEventListener('scroll', function () {
            // document.body.clientHeight
            console.log('document.body.clientHeight', document.body.clientHeight, document.body.scrollTop, document.body.scrollHeight);
            // window.innerHeight
            console.log('window.innerHeight', window.innerHeight, document.body.scrollTop, document.body.scrollHeight);
        });
    }
</script>
</body>
</html>