网页高度计算

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