js 当滚动到某个元素的底部时触发打印
Sonder
2023-04-14
1255字
3分钟
浏览 (905)
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
body {
margin: 0;
padding: 0;
font-family: Arial, sans-serif;
}
.header {
height: 600px;
background-color: #333;
color: #fff;
}
.article {
height: 1000px;
background-color: #f2f2f2;
}
.bottom {
height: 500px;
background-color: #ccc;
}
</style>
</head>
<body>
<div class="header">Header</div>
<div class="article">Article</div>
<div class="bottom">Bottom</div>
<script>
let header = document.querySelector('.header');
window.addEventListener('scroll', function() {
let headerBottom = header.offsetTop + header.offsetHeight;
let scrollTop = window.pageYOffset || document.documentElement.scrollTop;
if (scrollTop >= headerBottom) {
console.log('已经滚动到头部底部');
}
});
</script>
</body>
</html>