JS获取显示器的尺寸

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>JS测试显示器分辨率</title> 
</head> 
<body> 
<div style="width:1cm;" id="hutia"></div> 
<SCRIPT LANGUAGE="JavaScript"> 
document.write('您的显示器分辨率为:\n' + screen.width + '*' + screen.height + ' pixels<br/>'); 
var w1cm = document.getElementById("hutia").offsetWidth, w = screen.width/w1cm, h = screen.height/w1cm, r = Math.round(Math.sqrt(w*w + h*h) / 2.54); 
document.write('您的显示器尺寸为:\n' + (screen.width/w1cm).toFixed(1) + '*' + (screen.height/w1cm).toFixed(1) + ' cm, '+ r +'寸<br/>'); 
</SCRIPT> 
</body> 
</html> 

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转载自isitlikethat.iteye.com/blog/2263505