js 银屏 宽度 高度 信息 获得

function screenInfo(){   
  
    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："+ document.body.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;   
  
   alert(s);   
  
}   
  
  screenInfo();