Windows 8.1 updated Nov 17, 2013
Copy and paste this code, save as html and try is yourself:
<!
DOCTYPEHTML>
<
htmllang="en">
<
head>
<
metahttp-equiv="Content-Script-Type"content="text/javascript;charset=utf-8">
<
metahttp-equiv="Content-Type"content="text/html;charset=utf-8">
<
metaname="author"content="Charles Fisk">
<
title>Picture Domino</title>
<
scripttype="text/javascript">
functiondetector(){
varapp=navigator.appName+'\r\n';
varBver=navigator.userAgent;
alert(app+Bver)
}
</script>
</
head>
<
body>
<buttononclick="detector()">Navigator?</button>
<i>Click on the button and you get Netscape instead of the expected <u>Explorer</u></i>
<hr/>
Using Internet Explorer 11
<p>
Windows 8.1 updated Nov 17, 2013
</p>
</
body>
</
html>
Charles Fisk