JS获取屏幕高度

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："+   document.body.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";