added all files

.eslintrc.json

@@ -92,7 +92,7 @@
     "jsdoc/check-types": 1,
     "jsdoc/check-values": 1,
     "jsdoc/empty-tags": 1,
-    "jsdoc/newline-after-description": 1,
+    //"jsdoc/newline-after-description": 1,
     "jsdoc/no-bad-blocks": 1,
     "jsdoc/no-undefined-types": 1,
     "jsdoc/require-description": 1,

src/difference/difference.js

@@ -0,0 +1,18 @@
+/**
+ *
+ * @param {*} array
+ * @param {*} value
+ * @returns
+ */
+
+export function RemoveValue(array, value) {
+  const uniqueArray = [];
+
+  for (const item of array) {
+    if (!value.includes(item) && !uniqueArray.includes(item)) {
+      uniqueArray.push(item);
+    }
+  }
+
+  return uniqueArray;
+}

src/difference/difference.spec.js

@@ -0,0 +1,13 @@
+import { RemoveValue } from './difference';
+
+describe('Test', () => {
+  it('should return the removal value as the second argument from the array', () => {
+    expect(RemoveValue([2, 1], [2, 3])).toEqual([1]);
+  });
+});
+
+describe('Test', () => {
+  it('should remove all occurrences of a given element in an array and returns only unique values.', () => {
+    expect(RemoveValue([1, 2, 1], [2, 3])).toEqual([1]);
+  });
+});