今天同事写个小demo的时候遇到的,太久没有写原生了都快忘了,就随手写一下记录一下大概思路
效果
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
#area {
border: 1px;
background-color: lightblue;
width: 200px;
height: 200px;
overflow: auto;
}
</style>
</head>
<body>
<div id="area">
</div>
<button id="btn">发送</button>
</body>
<script>
document.getElementById('btn').onclick = function () {
var text = document.createElement('p')
text.innerHTML = '11111'
console.log(text);
console.log(document.getElementById('area'));
document.getElementById('area').appendChild(text)
document.getElementById('area').scrollTop = document.getElementById('area').scrollHeight
}
</script>
</html>