等获取高度和宽度的区别

等获取高度和宽度的区别

document.body / document.ducumentElement /等获取高度和宽度的区别

<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style>
/**{ padding: 0; margin: 0;}*/
body{ height: 1500px; border:3px solid #fbcb09; padding: 5px;}
.oBox{ width: 1000px; height: 1000px;}
#div1{ position: fixed;bottom: 0; border: 1px solid #ffe87c; }
</style>
<script>
window.onload = function(){
var a = getInfo();
var arr = a.split(" ");
var oDiv= document.getElementById('div1');
var oUl = oDiv.getElementsByTagName('ul')[0];
for(var i =0; i < arr.length;i++){
var oLi = document.createElement('li');
oLi.innerHTML = arr[i];
oUl.appendChild(oLi);
}
} function getInfo(){
str = "";
str += "网页可见区域宽度:" + document.documentElement.clientWidth +"px,(包括padding、border、margin) ";
str += "网页可见区域高度:" + document.documentElement.clientHeight +"px,(包括padding、border、margin) ";
str += "网页body宽度:" + document.body.clientWidth +"px,(只包括padding) ";
str += "网页body高度:" + document.body.clientHeight +"px,(只包括padding) ";
str += "网页body区域宽度:" + document.body.offsetWidth +"px,(只包括padding,border) ";
str += "网页body区域高度:" + document.body.offsetHeight +"px,(只包括padding,border) ";
str += "网页滚动上去的高度(chrome+ie+opera):" + document.body.scrollTop +"px ";
str += "网页滚动上去的高度(ff):" + document.documentElement.scrollTop +"px ";
str += "网页滚动到左侧的宽度(chrome+ie+opera):" + document.body.scrollLeft +"px ";
str += "网页滚动到左侧的宽度(ff):" + document.documentElement.scrollLeft +"px ";
str += "网页内容宽度:" + document.body.scrollWidth +"px,(只包括padding,border) ";
str += "网页内容高度:" + document.body.scrollHeight +"px,(只包括padding,border) ";
str += "网页正文顶部位置:" + window.screenTop +"px(窗口距屏幕顶部的高度,非全屏时改变) ";
str += "网页正文左侧位置:" + window.screenLeft +"px(窗口距屏幕左侧的宽度,非全屏时改变) ";
str += "屏幕分辨率的宽:" + window.screen.width +"px ";
str += "屏幕分辨率的高:" + window.screen.height +"px ";
str += "屏幕可用工作区宽度:" + window.screen.availWidth +"px ";
str += "屏幕可用工作区高度:" + window.screen.availHeight + "(屏幕分辨率高度减去了任务栏高度) " ;
str += "屏幕设置的色彩:" + window.screen.colorDepth + "位彩色" +" ";
str += "屏幕设置是:" + window.screen.deviceXDPI + "像素/英寸";
return str;
}
</script>
</head>
<body>
<div class="oBox"></div>
<div class="oBox"></div>
<div id="div1">
<ul></ul>
</div>
</body>
</html>
05-04 06:47