update function validation checks for invalid inputs

Author: marthak1

Sprint-2/implement/contains.js

@@ -1,5 +1,10 @@
 function contains(obj, targetKey) {
-  if (obj.constructor !== Object) {
+  if (
+    obj === null ||
+    typeof obj !== "object" ||
+    Array.isArray(obj) ||
+    Object.getPrototypeOf(obj) !== Object.prototype
+  ) {
     throw new Error("Invalid Parameter");
   }
   return Object.hasOwn(obj, targetKey);