@@ -0,0 +1,41 @@
+/**
+ * @param {object} obj1
+ * @param {object} obj2
+ * @return {object}
+ */
+function objDiff(obj1, obj2) {
+  // If both are primitives(not objects), return empty if they equal else show difference
+  if (!isObject(obj1) && !isObject(obj2)) {
+    return obj1 === obj2 ? {} : [obj1, obj2];
+  }
+
+  // If one is primitive and other is object
+  if (!isObject(obj1) || !isObject(obj2)) {
+    return [obj1, obj2];
+  }
+
+  // If one is array and the other is object
+  if (Array.isArray(obj1) !== Array.isArray(obj2)) {
+    return [obj1, obj2];
+  }
+
+  // If both array or both object, then recursion
+  const diff = {};
+
+  for (const key in obj1) {
+    // look for obj1 keys present in obj2 (common keys)
+    if (obj2.hasOwnProperty(key)) {
+      const result = objDiff(obj1[key], obj2[key]);
+      // console.log('result: ' + result);
+      // check if result object we get is empty or not
+      if (Object.keys(result).length > 0) {
+        diff[key] = result;
+      }
+    }
+  }
+  return diff;
+
+  function isObject(obj) {
+    return typeof obj === 'object' && obj !== null;
+  }
+}