<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
body {
width: 2000px;
height: 2000px;
border: 1px solid violet;
padding: 10px 20px 30px 40px;
margin: 10px 20px 30px 40px;
background-color: silver;
word-break: keep-all;
/* white-space: nowrap; */
}
html {
/* border: 10px dashed maroon;
padding: 10px 20px 30px 40px;
margin: 10px 20px 30px 40px; */
background-color: lightcoral;
}
:where(dt, dd) {
display: inline-block;
}
blockquote {
font-weight: bolder;
}
</style>
<body>
<fieldset>don't set margin border padding on html</fieldset>
<blockquote></blockquote>
<blockquote></blockquote>
<blockquote>document.body</blockquote>
<dl></dl>
<blockquote>document.documentElement</blockquote>
<dl></dl>
<script>
function setup() {
document.querySelector('blockquote:nth-of-type(1)').innerHTML = `
innerWidth: ${innerWidth}
`
document.querySelector('blockquote:nth-of-type(2)').innerHTML = `
innerHeight: ${innerHeight}
`
let body = document.querySelector('dl:nth-of-type(1)')
body.innerHTML = `
<figure>
<dt>clientWidth:</dt><dd>${document.body.clientWidth}</dd>
</figure>
<figure>
<dt>offsetWidth:</dt><dd>${document.body.offsetWidth}</dd>
</figure>
<figure>
<dt>scrollWidth:</dt><dd>${document.body.scrollWidth}</dd>
</figure>
<figure>
<dt>clientHeight:</dt><dd>${document.body.clientHeight}</dd>
</figure>
<figure>
<dt>offsetHeight:</dt><dd>${document.body.offsetHeight}</dd>
</figure>
<figure>
<dt>scrollHeight:</dt><dd>${document.body.scrollHeight}</dd>
</figure>
`
let documentElement = document.querySelector('dl:nth-of-type(2)')
documentElement.innerHTML = `
<figure>
<dt>clientWidth:</dt><dd>${document.documentElement.clientWidth}</dd>
</figure>
<figure>
<dt>offsetWidth:</dt><dd>${document.documentElement.offsetWidth}</dd>
</figure>
<figure>
<dt>scrollWidth:</dt><dd>${document.documentElement.scrollWidth} document.body.offsetWidth + marginLeft</dd>
</figure>
<figure>
<dt>clientHeight:</dt><dd>${document.documentElement.clientHeight}</dd>
</figure>
<figure>
<dt>offsetHeight:</dt><dd>${document.documentElement.offsetHeight}</dd>
</figure>
<figure>
<dt>scrollHeight:</dt><dd>${document.documentElement.scrollHeight} document.body.offsetHeight + marginTop + marginBottom</dd>
</figure>
`
}
setup()
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
html,
body {
height: 100%;
}
div {
width: 500px;
height: 500px;
padding: 30px;
border: 20px dashed maroon;
margin: 10px;
background-color: plum;
position: relative;
overflow-x: scroll;
overflow-y: scroll;
display: flow-root;
}
aside {
width: 100px;
height: 800px;
padding: 30px;
border: 20px dotted coral;
margin: 10px;
background-color: peru;
position: absolute;
top: 50px;
}
blockquote {
font-weight: bolder;
}
:where(dt, dd) {
display: inline-block;
}
</style>
</head>
<body>
<div>
<aside></aside>
</div>
<blockquote>div</blockquote>
<dl></dl>
<blockquote>aside</blockquote>
<dl></dl>
<script>
function setup() {
const div = document.querySelector('div')
const aside = document.querySelector('aside')
let d1 = document.querySelector('dl:nth-of-type(1)')
d1.innerHTML = `
<figure>
<dt>clientWidth:</dt><dd>${div.clientWidth}</dd>
</figure>
<figure>
<dt>offsetWidth:</dt><dd>${div.offsetWidth}</dd>
</figure>
<figure>
<dt>scrollWidth:</dt><dd>${div.scrollWidth}</dd>
</figure>
<figure>
<dt>clientHeight:</dt><dd>${div.clientHeight}</dd>
</figure>
<figure>
<dt>offsetHeight:</dt><dd>${div.offsetHeight}</dd>
</figure>
<figure>
<dt>scrollHeight:</dt><dd>${div.scrollHeight}</dd>
</figure>
`
let d2 = document.querySelector('dl:nth-of-type(2)')
d2.innerHTML = `
<figure>
<dt>clientWidth:</dt><dd>${aside.clientWidth}</dd>
</figure>
<figure>
<dt>offsetWidth:</dt><dd>${aside.offsetWidth}</dd>
</figure>
<figure>
<dt>scrollWidth:</dt><dd>${aside.scrollWidth}</dd>
</figure>
<figure>
<dt>clientHeight:</dt><dd>${aside.clientHeight}</dd>
</figure>
<figure>
<dt>offsetHeight:</dt><dd>${aside.offsetHeight}</dd>
</figure>
<figure>
<dt>scrollHeight:</dt><dd>${aside.scrollHeight}</dd>
</figure>
`
}
setup()
</script>
</body>
</html>
标签：body,aside,height,width,offsetHeight,div,document,offsetWidth,CSS From： https://www.cnblogs.com/dissipate/p/17731607.html