diff --git a/advanced_search.libraries.yml b/advanced_search.libraries.yml
index 650343e..b1f5e24 100644
--- a/advanced_search.libraries.yml
+++ b/advanced_search.libraries.yml
@@ -3,6 +3,8 @@ advanced.search.admin:
     js/advanced_search.admin.js: {}
   dependencies:
     - core/drupal.tabledrag
+    - core/jquery
+    - core/once
 
 advanced.search.form:
   js:
diff --git a/js/advanced_search.admin.js b/js/advanced_search.admin.js
index e85a328..1338ad8 100644
--- a/js/advanced_search.admin.js
+++ b/js/advanced_search.admin.js
@@ -83,7 +83,7 @@
         updateFieldWeights(table, regionName);
       };
 
-      $(context).find('select.field-display').once('field-display').on('change', function (event) {
+      $(once('field-display', 'select.field-display', context)).on('change', function (event) {
         var row = $(this).closest('tr');
         var select = $(this);
 
diff --git a/js/advanced_search.form.js b/js/advanced_search.form.js
index ae88ffa..15998c6 100644
--- a/js/advanced_search.form.js
+++ b/js/advanced_search.form.js
@@ -100,7 +100,7 @@
   Drupal.behaviors.advanced_search_form = {
     attach: function (context, settings) {
       if (settings.advanced_search_form.id !== 'undefined') {
-        const $form = $('form#' + settings.advanced_search_form.id).once();
+        const $form = $(once('search-form', 'form#' + settings.advanced_search_form.id));
         if ($form.length > 0) {
           window.addEventListener("pushstate", function (e) {
             $form.attr('action', window.location.pathname + window.location.search);
diff --git a/js/facets/facets-views-ajax.js b/js/facets/facets-views-ajax.js
index ce50d3f..f918167 100644
--- a/js/facets/facets-views-ajax.js
+++ b/js/facets/facets-views-ajax.js
@@ -171,8 +171,11 @@
             "-" +
             settings.view_display_id.replace(/_/g, "-")
           );
-          exposed_form
-            .once()
+          $(once('exposed-form',
+            "form#views-exposed-form-" +
+            settings.view_name.replace(/_/g, "-") +
+            "-" +
+            settings.view_display_id.replace(/_/g, "-")))
             .find("input[type=submit], input[type=image]")
             .not("[data-drupal-selector=edit-reset]")
             .each(function (index) {
@@ -228,8 +231,7 @@
         }
 
       // Attach behavior to pager, summary, facet links.
-      $("[data-drupal-pager-id], [data-drupal-facets-summary-id], [data-drupal-facet-id]")
-        .once()
+      $(once("new-window", "[data-drupal-pager-id], [data-drupal-facets-summary-id], [data-drupal-facet-id]"))
         .find("a:not(.facet-item)")
         .click(function (e) {
           // Let ctrl/cmd click open in a new window.
@@ -244,37 +246,20 @@
           window.history.pushState(null, document.title, $(this).attr("href"));
         });
 
-      /* digitalutsc added */
-     $('.pager__sort select[name="order"]')
-        .once()
+      // Trigger on sort change.
+      $(once('params-sort', '[data-drupal-pager-id] select[name="order"], .pager__sort select[name="order"]'))
         .change(function () {
           var href = window.location.href;
           var params = Drupal.Views.parseQueryString(href);
 
           var selection = $(this).val();
           var option = selection.split('_');
-          //params.sort_by = option[0];
           params.sort_order = option[option.length - 1].toUpperCase();
           params.sort_by = selection.replace("_" + option[option.length - 1], "");
-
           href = href.split("?")[0] + "?" + $.param(params);
           window.history.pushState(null, document.title, href);
         });
 
-
-      // Trigger on sort change.
-      $('[data-drupal-pager-id] select[name="order"]')
-        .once()
-        .change(function () {
-          var href = window.location.href;
-          var params = Drupal.Views.parseQueryString(href);
-          var selection = $(this).val();
-          var option = $('option[value="' + selection + '"]');
-          params.sort_order = option.data("sort_order");
-          params.sort_by = option.data("sort_by");
-          href = href.split("?")[0] + "?" + $.param(params);
-          window.history.pushState(null, document.title, href);
-        });
     },
   };
 })(jQuery, Drupal);
diff --git a/js/facets/soft-limit.js b/js/facets/soft-limit.js
index 69c455d..1f51d69 100644
--- a/js/facets/soft-limit.js
+++ b/js/facets/soft-limit.js
@@ -43,7 +43,7 @@
 
         // Hide facets over the limit.
         facetsList.each(function () {
-            $(this).children('li:gt(' + zero_based_limit + ')').once('applysoftlimit').hide();
+            $(once('applysoftlimit', $(this).children('li:gt(' + zero_based_limit + ')'))).hide();
         });
 
 
diff --git a/src/Controller/AjaxBlocksController.php b/src/Controller/AjaxBlocksController.php
index 74d1652..519ee7e 100644
--- a/src/Controller/AjaxBlocksController.php
+++ b/src/Controller/AjaxBlocksController.php
@@ -125,7 +125,7 @@ public function respond(Request $request) {
 
     // Rebuild the request and the current path, needed for facets.
     $path = $request->request->get('link');
-    $blocks = $request->request->get('blocks');
+    $blocks = $request->request->all('blocks');
 
     // Make sure we are not updating blocks multiple times.
     $blocks = array_unique($blocks);