Hi All,
I have a small CGI script which creates a small hash. I want to retrieve values from
the hash in javascript.
A snippet of my code is as follows:
<CODE>
use CGI;
my $q = new CGI;
print $q->header;
print qq[<body>
<form name='myForm'>
];
my %hash = qw (
ONE 1
TWO 2
THREE 3
);
print qq[<select name='sel' onChange=populate()>];
foreach my $key (keys %hash) {
print qq[<option value='$key'>$key</option>];
}
print qq[</select>];
print qq[<input type='submit' value='Go'>
</form>
</body>];
print qq[<script language='javascript'>
function populate () {
with (document.myForm) {
var str =
sel.options[sel.options.selectedIndex].value;
alert (str); // will show ONE, or TWO....
// Now I want to retreve value for the str selected
var num = '$hash{str}';
// I have even tried..
// var num = 'hash{'+str+'};
}
}
</script>
</html>
];
</CODE>
Can Anyone please point out how to retrieve the hash values so I can print 1,2,3..
Thanks in advance,
Parvez
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