JS获取当前对象大小以及屏幕分辨率等

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

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