To get the same effect, using just CGI methods, we need additional 'SUBMIT' button.
Using javascript 'onChange' method is more natural way in this case.
More real example:
Here
Author:
David Stricker
Change Background Color:
yellow
green
red
blue
white
<script> function go(s) { var val=s.options[s.selectedIndex].value; location.href='$script?bg='+val; } </script> ------------------------------------------------ sub change_bg { my $str = qq(<SELECT name="background" onChange="go(this)">); for ( 'yellow','green','red','blue','white' ) { my $select = (( $_ eq $bg ) ? " SELECTED" : ""); $str .= qq(<OPTION value="$_"$select>$_\n); } $str .= "</SELECT>"; return $str; }
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