facetwp test for single slider result

<?php
/** adds js to detect when a single option is hiding slider
 ** modify ln 10 however need to represent slider in this condition
 ** for example, you could add an image of a blank slider
 **/
add_action( 'wp_footer', function() { ?>
    <script>
    (function($) {
        $(document).on('facetwp-loaded', function() {
            if ( $('.facetwp-slider').html().length < 1 ) {
                $('.facetwp-slider').html('<p>Single Result</p>'); // add html or css or other JS here
            }
        });
    })(jQuery);
    </script>
<?php }, 100 );