Have you ever asked yourself why JavaScript or other languages behave the way they do? Have you ever come across syntax errors and wondered how it all works under the hood? Let’s explore that by writing our own interpreter! It can be a powerful and enlightening experience and provide an in-depth look into the fundamentals of programming languages. This talk will explore the diverse advantages of creating an interpreter, the resources and tools available to assist you, and the steps needed to get started. By the end of this session, you'll have a better understanding of programming languages and interpreters.