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JavaScript中获取高度和宽度函数总结

时间：2021-07-01 10:21:17 帮助过：3人阅读

html代码：
 代码如下:
 <body>
     <div class="father" id="father">
         <h3>这是父元素，屏幕分辨率是1366*768</h3>
         <div class="son" id="son">
             <h3>这是子元素，祝大家国庆快乐 </h3>
             <div class="grandson" id="grandson">
                 <h3>这是孙子元素，祝大家国庆快乐 </h3>
                 <h3>我的博客:www.gxlcms.com</h3>
                 <h3>程序爱好者QQ群:</h3>
                 <h3>259280570  </h3>
                 <h3>欢迎你加入 </h3>
                 <h3>国庆快乐  </h3>
             </div>
         </div>
     </div>
     <div class="data">
         <h3>数据输出</h3>
         <div id="data"></div>
     </div>
 </body>

css：

代码如下:
 *
     {
         margin: 0 auto;
     }
     .father
     {
         width: 500px;
         height: 750px;
         border: 5px solid red;
         float: left;
     }
     .son
     {
         width: 400px;
         height: 300px;
         border: 5px solid black;
         margin: 20px;
     }
     .grandson
     {
         width: 150px;
         height: 100px;
         border: 5px solid blue;
         margin: 20px;
         overflow: auto;
     }
     .data
     {
         width: 600px;
         height: 750px;
         border: 5px solid red;
         float: left;
         margin-left: 15px;
     }

js:

代码如下:
 window.onload = function()
     {
         /*获取元素对象*/
         var father = document.getElementById('father');
         var son = document.getElementById('son');
         var grandson = document.getElementById('grandson');
         var data = document.getElementById('data');
         data.innerHTML = "<h3>获取视窗大小(跟窗口大小有关)</h3>";
         data.innerHTML += "document.body可见区域宽: "+document.body.clientWidth+"<br/>";
         data.innerHTML += "document.body可见区域高: "+document.body.clientHeight+"<br/>";
         data.innerHTML += "window.innerWidth可见区域宽: "+window.innerWidth+"<br/>";
         data.innerHTML += "window.innerHeight可见区域高: "+window.innerHeight+"<br/>";
         data.innerHTML += "document.documentElement可见区域宽: "+document.documentElement.clientWidth+"<br/>";
         data.innerHTML += "document.documentElement可见区域高: "+document.documentElement.clientHeight+"<br/>";
         data.innerHTML += "<h3>获取元素自身大小(跟是否有滚动条无关)</h3>";
         data.innerHTML += ".son自身宽度(offsetWidth属性，包括左右边框)："+son.offsetWidth+"<br/>";
         data.innerHTML += ".son自身高度(offsetHeight属性，包括上下边框)："+son.offsetHeight+"<br/>";
         data.innerHTML += ".son可视宽度(clientWidth属性，不包括左右边框)："+son.clientWidth+"<br/>";
         data.innerHTML += ".son可视高度(clientHeight属性，不包括上下边框)："+son.clientHeight+"<br/>";
         data.innerHTML += "<h3>获取.grandson滚动大小和可视大小</h3>";
         data.innerHTML += ".grandson滚动宽度(scrollWidth属性)："+grandson.scrollWidth+"<br/>";
         data.innerHTML += ".grandson滚动高度(scrollHeight属性)："+grandson.scrollHeight+"<br/>";
         data.innerHTML += ".grandson可视宽度(clientWidth属性，不包括竖直滚动条和border)："+grandson.clientWidth+"<br/>";
         data.innerHTML += ".grandson可视高度(clientHeight属性，不包括水平滚动条和border)："+grandson.clientHeight+"<br/>";
         data.innerHTML += "<h3>获取.grandson被卷去的大小(跟滚动条的位置有关)</h3>";
         data.innerHTML += ".grandson被卷去的高(scrollTop属性，竖直滚动条滑到最底端)："+grandson.scrollTop+"<br/>";
         data.innerHTML += ".grandson被卷去的左(scrollLeft属性，水平滚动条滑到最右端)："+grandson.scrollLeft+"<br/>";
         data.innerHTML += "<h3>获取浏览器窗口位置(跟窗口大小有关)</h3>";
         /*
         *IE、Chrome、Safari、Opera 都提供了支持 window.screenLeft 和 *window.screenTop，但是Firxfox不支持这个两个属性；
         *Firxfox、Chrome、Safari、Opera 都提供了支持 window.screenX *和 window.screenY，但是 IE 不支持这个两个属性；
         */
         var leftPos = (typeof window.screenLeft == 'number')?window.screenLeft:window.screenX;
         var topPos = (typeof window.screenTop == 'number')?window.screenTop:window.screenY;
         data.innerHTML += "body网页正文部分上(window.screenTop(Y))："+ topPos+"<br/>";
         data.innerHTML += "body网页正文部分左(window.screenLeft(X))："+ leftPos+"<br/>";
         data.innerHTML += "<h3>获取屏幕分辨率</h3>";
         data.innerHTML += "屏幕分辨率的高(window.screen.height)："+ window.screen.height+"<br/>";
         data.innerHTML += "屏幕分辨率的宽(window.screen.width)："+ window.screen.width+"<br/>";
         data.innerHTML += "<h3>获取屏幕可用的高宽</h3>";
         data.innerHTML += "屏幕分辨率的高(window.screen.availHeight)："+ window.screen.availHeight+"<br/>";
         data.innerHTML += "屏幕分辨率的宽(window.screen.availWidth)："+ window.screen.availWidth+"<br/>";
         data.innerHTML += "<h3>获取.father的边框大小</h3>";
         data.innerHTML += ".father上边框(clientTop)："+ father.clientTop+"<br/>";
         data.innerHTML += ".father左边框(clientLeft)："+ father.clientLeft+"<br/>";
         data.innerHTML += "<h3>获取.son到父元素边界的距离(即对应margin+父元素对应的border)</h3>";
         data.innerHTML += ".son到父元素上边界(offsetTop)："+ son.offsetTop+"<br/>";
         data.innerHTML += ".son到父元素左边界(offsetLeft)："+ son.offsetLeft+"<br/>";
     }

ps：浏览器对盒子的解析存在差异，所以以上得出的数据也会存在小小差异。附图一张。

完整代码：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html> 
<head> 
<meta charset="utf-8" /> 
<title>test</title> 
<style type="text/css">
	*
	{
		margin: 0 auto;
	}
	.father
	{
		width: 500px;
		height: 750px;
		border: 5px solid red;
		float: left;
	}
	.son
	{
		width: 400px;
		height: 300px;
		border: 5px solid black;
		margin: 20px;
	}
	.grandson
	{
		width: 150px;
		height: 100px;
		border: 5px solid blue;
		margin: 20px;
		overflow: auto;
	}
	.data
	{
		width: 600px;
		height: 750px;
		border: 5px solid red;
		float: left;
		margin-left: 15px;
	}
</style>
<script type="text/javascript">
	window.onload = function()
	{
		/*获取元素对象*/
		var father = document.getElementById('father');
		var son = document.getElementById('son');
		var grandson = document.getElementById('grandson');
		var data = document.getElementById('data');
		data.innerHTML = "<h3>获取视窗大小(跟窗口大小有关)</h3>";
		data.innerHTML += "document.body可见区域宽: "+document.body.clientWidth+"<br/>";
		data.innerHTML += "document.body可见区域高: "+document.body.clientHeight+"<br/>";
		data.innerHTML += "window.innerWidth可见区域宽: "+window.innerWidth+"<br/>";
		data.innerHTML += "window.innerHeight可见区域高: "+window.innerHeight+"<br/>";
		data.innerHTML += "document.documentElement可见区域宽: "+document.documentElement.clientWidth+"<br/>";
		data.innerHTML += "document.documentElement可见区域高: "+document.documentElement.clientHeight+"<br/>";
		data.innerHTML += "<h3>获取元素自身大小(跟是否有滚动条无关)</h3>";
		data.innerHTML += ".son自身宽度(offsetWidth属性，包括左右边框)："+son.offsetWidth+"<br/>";
		data.innerHTML += ".son自身高度(offsetHeight属性，包括上下边框)："+son.offsetHeight+"<br/>";
		data.innerHTML += ".son可视宽度(clientWidth属性，不包括左右边框)："+son.clientWidth+"<br/>";
		data.innerHTML += ".son可视高度(clientHeight属性，不包括上下边框)："+son.clientHeight+"<br/>";
		data.innerHTML += "<h3>获取.grandson滚动大小和可视大小</h3>";
		data.innerHTML += ".grandson滚动宽度(scrollWidth属性)："+grandson.scrollWidth+"<br/>";
		data.innerHTML += ".grandson滚动高度(scrollHeight属性)："+grandson.scrollHeight+"<br/>";
		data.innerHTML += ".grandson可视宽度(clientWidth属性，不包括竖直滚动条和border)："+grandson.clientWidth+"<br/>";
		data.innerHTML += ".grandson可视高度(clientHeight属性，不包括水平滚动条和border)："+grandson.clientHeight+"<br/>";
		data.innerHTML += "<h3>获取.grandson被卷去的大小(跟滚动条的位置有关)</h3>";
		data.innerHTML += ".grandson被卷去的高(scrollTop属性，竖直滚动条滑到最底端)："+grandson.scrollTop+"<br/>";
		data.innerHTML += ".grandson被卷去的左(scrollLeft属性，水平滚动条滑到最右端)："+grandson.scrollLeft+"<br/>";
		data.innerHTML += "<h3>获取浏览器窗口位置(跟窗口大小有关)</h3>";
		/*
		*IE、Chrome、Safari、Opera 都提供了支持 window.screenLeft 和 *window.screenTop，但是Firxfox不支持这个两个属性；
		*Firxfox、Chrome、Safari、Opera 都提供了支持 window.screenX *和 window.screenY，但是 IE 不支持这个两个属性；
		*/
		var leftPos = (typeof window.screenLeft == 'number')?window.screenLeft:window.screenX;
		var topPos = (typeof window.screenTop == 'number')?window.screenTop:window.screenY;
		data.innerHTML += "body网页正文部分上(window.screenTop(Y))："+ topPos+"<br/>";
		data.innerHTML += "body网页正文部分左(window.screenLeft(X))："+ leftPos+"<br/>";
		data.innerHTML += "<h3>获取屏幕分辨率</h3>";
		data.innerHTML += "屏幕分辨率的高(window.screen.height)："+ window.screen.height+"<br/>";
		data.innerHTML += "屏幕分辨率的宽(window.screen.width)："+ window.screen.width+"<br/>";
		data.innerHTML += "<h3>获取屏幕可用的高宽</h3>";
		data.innerHTML += "屏幕分辨率的高(window.screen.availHeight)："+ window.screen.availHeight+"<br/>";
		data.innerHTML += "屏幕分辨率的宽(window.screen.availWidth)："+ window.screen.availWidth+"<br/>";
		data.innerHTML += "<h3>获取.father的边框大小</h3>";
		data.innerHTML += ".father上边框(clientTop)："+ father.clientTop+"<br/>";
		data.innerHTML += ".father左边框(clientLeft)："+ father.clientLeft+"<br/>";
		data.innerHTML += "<h3>获取.son到父元素边界的距离(即对应margin+父元素对应的border)</h3>";
		data.innerHTML += ".son到父元素上边界(offsetTop)："+ son.offsetTop+"<br/>";
		data.innerHTML += ".son到父元素左边界(offsetLeft)："+ son.offsetLeft+"<br/>";
	}
</script>
</head> 
<body> 
	<div class="father" id="father">
		<h3>这是父元素，屏幕分辨率是1366*768</h3>
		<div class="son" id="son">
			<h3>这是子元素，祝大家国庆快乐 </h3>
			<div class="grandson" id="grandson">
				<h3>这是孙子元素，祝大家国庆快乐 </h3>
				<h3>我的博客:www.gxlcms.com</h3>
				<h3>程序爱好者QQ群:</h3>
				<h3>259280570 </h3>
				<h3>欢迎你加入 </h3>
				<h3>国庆快乐 </h3>
			</div>
		</div>
	</div>
	<div class="data">
		<h3>数据
输出</h3> <div id="data"></div> </div> </body> </html>

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