August 1999

RealAudio Detection

(State of the Art in 1999)

Displaying the results

    <div style="border: 3px double blue;padding: 1rem;">
        <script>
            if (RealMode || RealPlayer5 || RealPlayer4) {
                document.writeln("You're a-okay.");
            } else {
                document.writeln("Houston, it's a no-go");
            }
        </script>
    </div>

Source Code

<script language="JavaScript">
<!--

var RealMode=0;
var RealPlayer5=0;
var RealPlayer4=0;

if (navigator.userAgent.indexOf("MSIE")<0 )
{
numPlugins = navigator.plugins.length;
for (i = 0; i < numPlugins; i++)
{
    plugin = navigator.plugins[i];
    if (plugin.name.substring(0,10)=="RealPlayer")
    {
        RealMode=1;
    }
}
}
document.write('<SCRIPT LANGUAGE=VBScript\> \n');
document.write('on error resume next \n');
document.write('RealPlayer5 = (NOT IsNull(CreateObject("RealPlayer.RealPlayer(tm) ActiveX Control(32-bit)")))\n');
document.write('RealPlayer4 = (NOT IsNull(CreateObject("RealVideo.RealVideo(tm) ActiveX Control(32-bit)")))\n');
document.write('</script\> \n');

//-->
</script>