When a user creates a custom object using an object literal or by applying the new Object() command, he or she is creating a subclass of the base object.
A base object can be defined as the basic and fundamental JavaScript object whose methods are generally available to every other object.
In Java programming, a prototype chain is used to create the hierarchy of object classes typically ranging from the base object class (superclass) down to the subclasses (lower classes) in the chain.
In conclusion, a user is creating a subclass of the base object when he or she creates a custom object using an object literal or by applying the new Object() command.
Read more on object class here: brainly.com/question/20264183
