master: adding the difference function

.template-solution/difference.js

@@ -0,0 +1,20 @@
+export const difference = (array = [], filterValues = []) => {
+    const filteredArray = array.filter((arrayValue) => {
+        if (filterValues.includes(arrayValue)) {
+           return false;
+        }
+
+        return true;});
+
+ let finalarr = [...new Set(filteredArray)]
+
+
+
+    return finalarr
+
+};
+
+console.log(difference([1,3,3],[1]))
+
+
+

.template-solution/difference.spec.js

@@ -0,0 +1,12 @@
+import { difference  } from './difference';
+
+describe('README test', () => {
+  it('should exculed a value from the second array ', () => {
+    expect(difference([2, 1], [2, 3])).toEqual([1]);
+  });
+});
+it('should not repeat return values  ', () => {
+  expect(difference([1, 2, 1], [2, 3])).toEqual([1]);
+});
+
+