JS 获取浏览器

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";
//alert (s);
}
getInfo();