Prototypes

Object-Oriented Programming in JavaScript involves understanding objects and prototypes, constructors and classes, inheritance and the prototype chain, as well as principles like encapsulation, abstraction, and polymorphism, laying the foundation for structured and reusable code.

JavaScript Concepts such as the 'this' keyword, prototypes, closures, async-style code, promises, and timers are fundamental for understanding JavaScript's behavior, enabling efficient and dynamic web development.