使用方法：直接将下列代码复制粘贴到记事本，另存为xxx.html，然后用浏览器打开即可
<!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>特效演示_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 ww = document.getElementById("hutia").offsetWidth,
w = screen.width / ww,
h = screen.height / ww,
r = Math.round(Math.sqrt(w * w + h * h) / 2.54, y = Math.round(Math.sqrt(w * w + h * h) * 0.3));
document.write('您的显示器尺寸为:\n' + (screen.width / ww).toFixed(1) + '*' + (screen.height / ww).toFixed(1) + ' cm, ' +
r + '英寸, ' + y + '寸<br/>');
</SCRIPT>
</body>
</html>
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