diff --git a/src/main/js/add-item.js b/src/main/js/add-item.js
index e648ecf8f3ff..a80fcc64533d 100644
--- a/src/main/js/add-item.js
+++ b/src/main/js/add-item.js
@@ -1,25 +1,28 @@
-import $ from "jquery";
+import { createElementFromHtml } from "@/util/dom";
 
-var getItems = function () {
-  var d = $.Deferred();
-  $.get("itemCategories?depth=3&iconStyle=icon-xlg").done(function (data) {
-    d.resolve(data);
-  });
-  return d.promise();
+const nameInput = document.querySelector(`#createItem input[name="name"]`);
+const copyFromInput = document.querySelector(`#createItem input[name="from"]`);
+const copyRadio = document.querySelector(`#createItem input[value="copy"]`);
+
+const getItems = function () {
+  return fetch("itemCategories?depth=3&iconStyle=icon-xlg").then((response) =>
+    response.json(),
+  );
 };
 
-var jRoot = $("head").attr("data-rooturl");
+const jRoot = document.querySelector("head").getAttribute("data-rooturl");
 
-$.when(getItems()).done(function (data) {
-  $(function () {
+document.addEventListener("DOMContentLoaded", () => {
+  getItems().then((data) => {
     //////////////////////////
     // helper functions...
 
     function parseResponseFromCheckJobName(data) {
-      var html = $.parseHTML(data);
-      var element = html[0];
-      if (element !== undefined) {
-        return $(element).text();
+      var parser = new DOMParser();
+      var html = parser.parseFromString(data, "text/html");
+      var element = html.body.firstChild;
+      if (element) {
+        return element.textContent;
       }
       return undefined;
     }
@@ -38,50 +41,48 @@ $.when(getItems()).done(function (data) {
     }
 
     function getCopyFromValue() {
-      return $('input[type="text"][name="from"]', "#createItem").val();
+      return copyFromInput.value;
     }
 
     function isItemNameEmpty() {
-      var itemName = $('input[name="name"]', "#createItem").val();
-      return itemName === "" ? true : false;
+      var itemName = nameInput.value;
+      return itemName.trim() === "";
     }
 
     function getFieldValidationStatus(fieldId) {
-      return $("#" + fieldId).data("valid");
+      return document.querySelector("#" + fieldId)?.dataset.valid === "true";
     }
 
     function setFieldValidationStatus(fieldId, status) {
-      $("#" + fieldId).data("valid", status);
+      const element = document.querySelector("#" + fieldId);
+      if (element) {
+        element.dataset.valid = status;
+      }
     }
 
     function activateValidationMessage(messageId, context, message) {
       if (message !== undefined && message !== "") {
-        $(messageId, context).text("» " + message);
+        document.querySelector(context + " " + messageId).textContent =
+          "» " + message;
       }
       cleanValidationMessages(context);
-      $(messageId).removeClass("input-message-disabled");
-      enableSubmit(false);
+      document
+        .querySelector(messageId)
+        .classList.remove("input-message-disabled");
+      refreshSubmitButtonState();
     }
 
     function cleanValidationMessages(context) {
-      $(context)
-        .find(".input-validation-message")
-        .addClass("input-message-disabled");
+      document
+        .querySelectorAll(context + " .input-validation-message")
+        .forEach((element) => element.classList.add("input-message-disabled"));
     }
 
-    function enableSubmit(status) {
-      var btn = $(".bottom-sticker-inner button[type=submit]");
-      if (status === true) {
-        if (btn.hasClass("disabled")) {
-          btn.removeClass("disabled");
-          btn.prop("disabled", false);
-        }
-      } else {
-        if (!btn.hasClass("disabled")) {
-          btn.addClass("disabled");
-          btn.prop("disabled", true);
-        }
-      }
+    function refreshSubmitButtonState() {
+      const submitButton = document.querySelector(
+        ".bottom-sticker-inner button[type=submit]",
+      );
+      submitButton.disabled = !getFormValidationStatus();
     }
 
     function getFormValidationStatus() {
@@ -95,19 +96,23 @@ $.when(getItems()).done(function (data) {
     }
 
     function cleanItemSelection() {
-      $(".categories").find('li[role="radio"]').attr("aria-checked", "false");
-      $("#createItem")
-        .find('input[type="radio"][name="mode"]')
-        .removeAttr("checked");
-      $(".categories").find(".active").removeClass("active");
+      document
+        .querySelector('.categories li[role="radio"]')
+        .setAttribute("aria-checked", "false");
+      document
+        .querySelector('#createItem input[type="radio"][name="mode"]')
+        .removeAttribute("checked");
+      document.querySelectorAll(".categories .active").forEach((item) => {
+        item.classList.remove("active");
+      });
       setFieldValidationStatus("items", false);
     }
 
     function cleanCopyFromOption() {
-      $("#createItem")
-        .find('input[type="radio"][value="copy"]')
-        .removeAttr("checked");
-      $('input[type="text"][name="from"]', "#createItem").val("");
+      copyRadio?.removeAttribute("checked");
+      if (copyFromInput) {
+        copyFromInput.value = "";
+      }
       setFieldValidationStatus("from", false);
     }
 
@@ -115,16 +120,18 @@ $.when(getItems()).done(function (data) {
     // Draw functions
 
     function drawCategory(category) {
-      var $category = $("<div/>")
-        .addClass("category")
-        .attr("id", "j-add-item-type-" + cleanClassName(category.id));
-      var $items = $("<ul/>").addClass("j-item-options");
-      var $catHeader = $('<div class="header" />');
+      var $category = createElementFromHtml("<div class='category' />");
+      $category.setAttribute(
+        "id",
+        "j-add-item-type-" + cleanClassName(category.id),
+      );
+      var $items = createElementFromHtml(`<ul class="j-item-options" />`);
+      var $catHeader = createElementFromHtml(`<div class="header" />`);
       var title = "<h2>" + category.name + "</h2>";
       var description = "<p>" + category.description + "</p>";
 
       // Add items
-      $.each(category.items, function (i, elem) {
+      category.items.forEach((elem) => {
         $items.append(drawItem(elem));
       });
 
@@ -169,17 +176,13 @@ $.when(getItems()).done(function (data) {
         cleanCopyFromOption();
         cleanItemSelection();
 
-        $(this).attr("aria-checked", "true");
-        $(this).find('input[type="radio"][name="mode"]').prop("checked", true);
-        $(this).addClass("active");
+        item.setAttribute("aria-checked", "true");
+        radio.checked = true;
+        item.classList.add("active");
 
         setFieldValidationStatus("items", true);
-        if (!getFieldValidationStatus("name")) {
-          $('input[name="name"][type="text"]', "#createItem").focus();
-        } else {
-          if (getFormValidationStatus()) {
-            enableSubmit(true);
-          }
+        if (getFieldValidationStatus("name")) {
+          refreshSubmitButtonState();
         }
       }
 
@@ -253,98 +256,106 @@ $.when(getItems()).done(function (data) {
     }
 
     // The main panel content is hidden by default via an inline style. We're ready to remove that now.
-    $("#add-item-panel").removeAttr("style");
+    document.querySelector("#add-item-panel").removeAttribute("style");
 
     // Render all categories
-    var $categories = $("div.categories");
-    $.each(data.categories, function (i, elem) {
-      drawCategory(elem).appendTo($categories);
+    var $categories = document.querySelector("div.categories");
+    data.categories.forEach((elem) => {
+      $categories.append(drawCategory(elem));
     });
 
     // Focus
-    $("#add-item-panel").find("#name").focus();
+    document.querySelector("#add-item-panel #name").focus();
 
     // Init NameField
-    $('input[name="name"]', "#createItem").on("blur input", function () {
+    function nameFieldEvent() {
       if (!isItemNameEmpty()) {
-        var itemName = $('input[name="name"]', "#createItem").val();
-        $.get("checkJobName", { value: itemName }).done(function (data) {
-          var message = parseResponseFromCheckJobName(data);
-          if (message !== "") {
-            activateValidationMessage(
-              "#itemname-invalid",
-              ".add-item-name",
-              message,
-            );
-          } else {
-            cleanValidationMessages(".add-item-name");
-            setFieldValidationStatus("name", true);
-            if (getFormValidationStatus()) {
-              enableSubmit(true);
-            }
-          }
-        });
+        var itemName = nameInput.value;
+
+        fetch(`checkJobName?value=${encodeURIComponent(itemName)}`).then(
+          (response) => {
+            response.text().then((data) => {
+              var message = parseResponseFromCheckJobName(data);
+              if (message !== "") {
+                activateValidationMessage(
+                  "#itemname-invalid",
+                  ".add-item-name",
+                  message,
+                );
+              } else {
+                cleanValidationMessages(".add-item-name");
+                setFieldValidationStatus("name", true);
+                refreshSubmitButtonState();
+              }
+            });
+          },
+        );
       } else {
-        enableSubmit(false);
         setFieldValidationStatus("name", false);
         cleanValidationMessages(".add-item-name");
         activateValidationMessage("#itemname-required", ".add-item-name");
+        refreshSubmitButtonState();
       }
-    });
+    }
+
+    nameInput.addEventListener("blur", nameFieldEvent);
+    nameInput.addEventListener("input", nameFieldEvent);
 
     // Init CopyFromField
-    $('input[name="from"]', "#createItem").on("blur input", function () {
+    function copyFromFieldEvent() {
       if (getCopyFromValue() === "") {
-        $("#createItem")
-          .find('input[type="radio"][value="copy"]')
-          .removeAttr("checked");
+        copyRadio.removeAttribute("checked");
       } else {
         cleanItemSelection();
-        $("#createItem")
-          .find('input[type="radio"][value="copy"]')
-          .prop("checked", true);
+        copyRadio.setAttribute("checked", true);
         setFieldValidationStatus("from", true);
         if (!getFieldValidationStatus("name")) {
           activateValidationMessage("#itemname-required", ".add-item-name");
           setTimeout(function () {
-            var parentName = $('input[name="from"]', "#createItem").val();
-            $.get("job/" + parentName + "/api/json?tree=name").done(
-              function (data) {
-                if (data.name === parentName) {
-                  //if "name" is invalid, but "from" is a valid job, then switch focus to "name"
-                  $('input[name="name"][type="text"]', "#createItem").focus();
-                }
+            var parentName = copyFromInput.value;
+
+            fetch("job/" + parentName + "/api/json?tree=name").then(
+              (response) => {
+                response.json().then((data) => {
+                  if (data.name === parentName) {
+                    //if "name" is invalid, but "from" is a valid job, then switch focus to "name"
+                    nameInput.focus();
+                  }
+                });
               },
             );
           }, 400);
         } else {
-          if (getFormValidationStatus()) {
-            enableSubmit(true);
-          }
+          refreshSubmitButtonState();
         }
       }
-    });
+    }
+
+    copyFromInput?.addEventListener("blur", copyFromFieldEvent);
+    copyFromInput?.addEventListener("input", copyFromFieldEvent);
 
     // Client-side validation
-    $("#createItem").submit(function (event) {
-      if (!getFormValidationStatus()) {
-        event.preventDefault();
-        if (!getFieldValidationStatus("name")) {
-          activateValidationMessage("#itemname-required", ".add-item-name");
-          $('input[name="name"][type="text"]', "#createItem").focus();
-        } else {
-          if (
-            !getFieldValidationStatus("items") &&
-            !getFieldValidationStatus("from")
-          ) {
-            activateValidationMessage("#itemtype-required", ".add-item-name");
-            $('input[name="name"][type="text"]', "#createItem").focus();
+    document
+      .querySelector("#createItem")
+      .addEventListener("submit", function (event) {
+        if (!getFormValidationStatus()) {
+          event.preventDefault();
+          if (!getFieldValidationStatus("name")) {
+            activateValidationMessage("#itemname-required", ".add-item-name");
+            nameInput.focus();
+          } else {
+            if (
+              !getFieldValidationStatus("items") &&
+              !getFieldValidationStatus("from")
+            ) {
+              activateValidationMessage("#itemtype-required", ".add-item-name");
+              nameInput.focus();
+            }
           }
         }
-      }
-    });
+      });
 
     // Disable the submit button
-    enableSubmit(false);
+    refreshSubmitButtonState();
   });
 });