wintoffsetHeight scrollHeight clientHeight 区别
题目
offsetHeight scrollHeight clientHeight 区别
盒子模型
- width height
- padding
- border
- margin
- box-sizing
offsetHeight offsetWidth
包括：border + padding + content
clientHeight clientWidth
包括：padding + content
scrollHeight scrollWidth
包括：padding + 实际内容的尺寸
scrollTop scrollLeft
DOM 内部元素滚动的距离
答案
- offsetHeight - border + padding + content
- clientHeight - padding + content
- scrollHeight - padding + 实际内容的高度
代码参考
html
<!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>offsetHeight</title>
<style>
* {
padding: 0;
margin: 0;
}
body {
background-color: #f1f1f1;
}
#container {
width: 300px;
height: 200px;
padding: 20px;
margin: 30px;
border: 5px solid #ccc;
box-sizing: border-box;
overflow: auto;
background-color: #fff;
}
#content {
width: 600px;
height: 500px;
background-color: #f1f1f1;
display: inline-block;
}
</style>
</head>
<body>
<p>offsetHeight</p>
<div id="container">
<div id="content">
<p>offsetHeight scrollHeight clientHeight 区别</p>
</div>
</div>
<script>
const container = document.getElementById('container')
console.log('offsetHeight', container.offsetHeight)
console.log('offsetWidth', container.offsetWidth)
console.log('clientWidth', container.clientWidth)
console.log('clientHeight', container.clientHeight)
console.log('scrollWidth', container.scrollWidth)
console.log('scrollHeight', container.scrollHeight)
// scrollTop scrollLeft 需滚动之后获取
</script>
</body>
</html>