<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>局部描点</title>
<style>
div {
}
#menu {
width: 500px;
height: 60px;
border: 1px solid #a0a0a4;
}
#list {
width: 500px;
height: 500px;
overflow: auto;
border: 1px solid #a0a0a4;
}
</style>
</head>
<body>
<div class="container">
<div id="menu"></div>
<div id="list"></div>
</div>
<script>
// 给容器添加元素
(()=> {
const list = document.getElementById('list')
const menu = document.getElementById('menu')
for (let i = 0; i < 10; i++) {
const item = document.createElement('div')
item.id = i
item.innerHTML = `${i}: asdfasdfasdf`
item.style = 'height: 200px;'
list.appendChild(item)
const btn = document.createElement('button')
btn.innerText = i
btn.style = 'margin-right: 20px;'
menu.appendChild(btn)
}
menu.onclick = (e) => {
e.stopPropagation();
const i = e.target.innerText
if (document.getElementById(i)) {
document.getElementById(i).scrollIntoView({ behavior: "smooth" })
}
}
})()
</script>
</body>
</html>
