in reply to Show / hide text field in cgi.pm application
CGI (and CGI.pm) code runs solely on the server, so it has no interaction with what the user sees unless new data or a new document is fetched from the server.
The specific property I tend to use for dynamic control of visibility is the CSS "display" property:
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Re^2: Show / hide text field in cgi.pm application
by ady (Deacon) on Jun 22, 2010 at 17:39 UTC
In Section Seekers of Perl Wisdom