Object-Oriented Programming in JavaScript has evolved from a simple scripting approach into a sophisticated, prototype-based model essential for building complex, scalable applications. While modern ES6+ classes provide familiar syntax, underlying prototypal inheritance, encapsulation, and abstraction remain foundational to JavaScript's flexibility. For a deep dive into these principles, consult The Principles of Object-Oriented JavaScript by Nicholas C. Zakas. Object-oriented programming - Learn web development | MDN