Issue #3006673 by jurgenhaas, drupalfan2, Macronomicus: Affix effect with problems

bootstrap_barrio.libraries.yml

@@ -40,6 +40,7 @@ global-styling:
       css/print.css: { media: print }
   dependencies:
     - core/jquery
+    - core/jquery.once
     - core/drupal
 
 affix:

js/affix.js

@@ -26,7 +26,7 @@
       
       };
 
-      $('[data-toggle="affix"]').each(function() {
+      $('[data-toggle="affix"]').once().each(function() {
         var ele = $(this),
             wrapper = $('<div></div>');