示例代码:查看代码 查看运行
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Load more</title>
</head>
<body>
<ul id="list">
</ul>
<script type="text/javascript" src="./jquery.min.js"></script>
<script>
$(document).ready(function () {
let html = ``;
for (let i = 0; i < 30; i++) {
html += `<li>${i}</li>`;
}
$("#list").html(html);
});
window.addEventListener('scroll', () => {
let clientHeight = document.documentElement.clientHeight || window.innerHeight; // 可视区域高度
let scrollHeight = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop; // 滚动高度
let offsetHeight = document.body.offsetHeight || document.documentElement.offsetHeight; // 文档高度
console.log(clientHeight, scrollHeight, offsetHeight);
let sw = true;
if ((clientHeight + scrollHeight) >= (offsetHeight - 100)) {
if (sw) {
sw = false;
let length = $("#list li").length;
let html = '';
for (let i = length; i < length + 10; i++) {
html += `<li>${i}</li>`;
}
$("#list").append(html);
sw = true;
}
}
})
</script>
<style>
ul {
list-style-type: none;
}
ul li {
float: left;
display: inline;
width: 100%;
height: 40px;
}
ul li:nth-of-type(odd) {
background: darkgray;
}
ul li:nth-of-type(even) {
background: darkcyan;
}
</style>
</body>
</html>
image.png
网友评论