// facetwp scroll to top 
add_action( 'wp_head', function() { ?>  
   <script>    
      (function($) {      
         $(document).on('facetwp-loaded', function() {     
            if (FWP.loaded) {          
               $('html, body').animate({            
                  scrollTop: $('.facetwp-template').offset().top          
               }, 500);        
            }      
         });    
      })(jQuery);  
   </script> 
<?php } );