JS获取网页属性包括宽、高等等

function getInfo() 
{ 
var s = ""; 
s += " 网页可见区域宽："+ document.body.clientWidth+" "; 
s += " 网页可见区域高："+ document.body.clientHeight+" "; 
s += " 网页可见区域宽："+ document.body.offsetWidth + " (包括边线和滚动条的宽)"+" "; 
s += " 网页可见区域高："+ document.body.offsetHeight + " (包括边线的宽)"+" "; 
s += " 网页正文全文宽："+ document.body.scrollWidth+" "; 
s += " 网页正文全文高："+ document.body.scrollHeight+" "; 
s += " 网页被卷去的高(ff)："+ document.body.scrollTop+" "; 
s += " 网页被卷去的高(ie)："+ document.documentElement.scrollTop+" "; 
s += " 网页被卷去的左："+ document.body.scrollLeft+" "; 
s += " 网页正文部分上："+ window.screenTop+" "; 
s += " 网页正文部分左："+ window.screenLeft+" "; 
s += " 屏幕分辨率的高："+ window.screen.height+" "; 
s += " 屏幕分辨率的宽："+ window.screen.width+" "; 
s += " 屏幕可用工作区高度："+ window.screen.availHeight+" "; 
s += " 屏幕可用工作区宽度："+ window.screen.availWidth+" "; 
s += " 你的屏幕设置是 "+ window.screen.colorDepth +" 位彩色"+" "; 
s += " 你的屏幕设置 "+ window.screen.deviceXDPI +" 像素/英寸"+" "; 
s += " window的页面可视部分实际高度(ff) "+window.innerHeight+" "; 
alert (s); 
};