Exercise 2: Instance Type

Let’s practice managing instance types in JavaScript.

Problem statement

Complete the code so it produces the desired result, using the modern JavaScript conventions.

Sample input and output

Call Output
derived1.copy() Base {}
derived2.copy() Derived2 {}

Exercise

Complete this exercise to test your knowledge of managing instance types. The solution to this challenge is given in the next lesson, but we want you to try it yourself first.

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