<div style="display:block; height:400px; margin:auto; border:1px solid gray; padding:9px; background:#fff">
<%
Dim svars
svars = request.servervariables("http_user_agent")
Response.Write(svars)
%>
<hr />

<script type="text/javascript">
document.write(navigator.appVersion);
</script>
</div>

Super simple output of browser version.  Redundantly outputs the same info using both asp and javascript.

Quick output of browser version using both asp and javascript

javascript

ASP