#! /usr/bin/perl -w # this is an example of using subs (not coderefs) for your perljax # functions # # NB The CGI::Ajax object DOES NOT need to follow the function # declarations, as it does in the coderef example use strict; use CGI::Ajax; use CGI; my $q = new CGI; my $pjx = CGI::Ajax->new( 'myfunc' => \&exported_fx); print $pjx->build_html($q,\&Show_Form); # this outputs the html for the page sub exported_fx { my $value_a = shift; my $value_b = shift; $value_a = "" if not defined $value_a; # make sure there's def $value_b = "" if not defined $value_b; # make sure there's def if ( $value_a =~ /\D+/ or $value_a eq "" ) { return( $value_a . " and " . $value_b ); } elsif ( $value_b =~ /\D+/ or $value_b eq "" ) { return( $value_a . " and " . $value_b ); } else { # got two numbers, so lets multiply them together return( $value_a * $value_b ); } } sub Show_Form { my $html = ""; $html .= <<EOT; <HTML> <HEAD><title>CGI::Ajax Example</title> </HEAD> <BODY> <form> Enter something: <input type="text" name="val1" id="val1" size="6" onkeyup="myfunc( ['val1','val2'], ['resultdiv'] );"><br> Enter something else: <input type="text" name="val2" id="val2" size="6" onkeyup="myfunc( ['val1','val2'], ['resultdiv'] );"><br> <hr> <div id="resultdiv" style="border: 1px solid black; width: 440px; height: 80px; overflow: auto"> </div> </form> </BODY> </HTML> EOT return $html; }