table23_do_not_print
This is JavaScript variable for print popup window excluded columns. Define it on the site footer (wp_footer) like: var table23_do_not_print=[‘my_col1’, ‘my_col2’];
Example:
add_action('wp_footer', function() { if (!is_page(array(377, 'Contact'))) { ?> <script> var table23_do_not_print= ['ask_me']; </script> <?php } });