diff --git a/app/assets/javascripts/rails_admin/ra.nested-form-hooks.js b/app/assets/javascripts/rails_admin/ra.nested-form-hooks.js
index cee6ef82ad..4b87880b14 100644
--- a/app/assets/javascripts/rails_admin/ra.nested-form-hooks.js
+++ b/app/assets/javascripts/rails_admin/ra.nested-form-hooks.js
@@ -30,7 +30,10 @@
     content = parent_group.children(".tab-content");
     toggler = controls.find(".toggler");
     nav.append(new_tab);
-    $(window.document).trigger("rails_admin.dom_ready", [field, parent_group]);
+
+    const event = new CustomEvent("rails_admin.dom_ready", { detail: field });
+    document.dispatchEvent(event);
+
     new_tab.children("a").tab("show");
     if (!one_to_one) {
       nav.filter(":hidden").show("slow");
diff --git a/app/assets/javascripts/rails_admin/ra.remote-form.js b/app/assets/javascripts/rails_admin/ra.remote-form.js
index f416c812e5..df262132bf 100644
--- a/app/assets/javascripts/rails_admin/ra.remote-form.js
+++ b/app/assets/javascripts/rails_admin/ra.remote-form.js
@@ -105,7 +105,8 @@
         })
         .html(saveButtonText);
 
-      $(document).trigger("rails_admin.dom_ready", [form]);
+      const event = new CustomEvent("rails_admin.dom_ready", { detail: form });
+      document.dispatchEvent(event);
 
       form.bind("ajax:complete", function (event) {
         var data = event.detail[0],
diff --git a/app/assets/javascripts/rails_admin/ra.sidescroll.js b/app/assets/javascripts/rails_admin/ra.sidescroll.js
index 3f274e11f4..e9e03854be 100644
--- a/app/assets/javascripts/rails_admin/ra.sidescroll.js
+++ b/app/assets/javascripts/rails_admin/ra.sidescroll.js
@@ -30,5 +30,5 @@
   }
 
   $(window).on("load", setFrozenColPositions);
-  $(document).on("rails_admin.dom_ready", setFrozenColPositions);
+  document.addEventListener("rails_admin.dom_ready", setFrozenColPositions);
 })(jQuery);
diff --git a/app/assets/javascripts/rails_admin/ra.widgets.js b/app/assets/javascripts/rails_admin/ra.widgets.js
index dc8d571cc2..ca159be345 100644
--- a/app/assets/javascripts/rails_admin/ra.widgets.js
+++ b/app/assets/javascripts/rails_admin/ra.widgets.js
@@ -1,5 +1,5 @@
 (function ($) {
-  $(document).on("rails_admin.dom_ready", function (e, content) {
+  document.addEventListener("rails_admin.dom_ready", function (event) {
     var $editors,
       array,
       config_options,
@@ -9,7 +9,7 @@
       goFroalaWysiwygs,
       goSimpleMDEs,
       options;
-    content = content ? content : $("form");
+    var content = event.detail || $("form");
     if (content.length) {
       $.fn.datetimepicker.defaults.icons = {
         time: "fa fa-clock-o",
diff --git a/app/assets/javascripts/rails_admin/ui.js b/app/assets/javascripts/rails_admin/ui.js
index 729c7a9b6f..b39d25ef53 100644
--- a/app/assets/javascripts/rails_admin/ui.js
+++ b/app/assets/javascripts/rails_admin/ui.js
@@ -94,14 +94,17 @@
       $("html").attr("lang"),
       $("#admin-js").data("i18nOptions")
     );
-    $(document).trigger("rails_admin.dom_ready");
+
+    const event = new CustomEvent("rails_admin.dom_ready");
+    document.dispatchEvent(event);
   });
 
   $(document).on("pjax:end", function () {
-    $(document).trigger("rails_admin.dom_ready");
+    const event = new CustomEvent("rails_admin.dom_ready");
+    document.dispatchEvent(event);
   });
 
-  $(document).on("rails_admin.dom_ready", function () {
+  document.addEventListener("rails_admin.dom_ready", function () {
     $(".nav.nav-pills li.active").removeClass("active");
     $(
       '.nav.nav-pills li[data-model="' + $(".page-header").data("model") + '"]'