Object-Oriented JavaScript: Functions, Prototypes, and Inheritance

JavaScript functions are unique because they behave both as executable code and as standard objects. Understanding this dual nature is the key to mastering object-oriented programming in the language. This text-based course guides you through the inner workings of JavaScript's execution context, prototypal inheritance, and memory allocation. You will transition from merely copying class syntax to deeply understanding how JavaScript objects link and communicate under the hood. What you'll learn: Understand how functions operate as both executable blocks and objects with properties; Explore the prototype chain and how JavaScript resolves property lookups; Apply constructors, the new keyword, and ES6 class syntax to structure clean code; Analyze the execution context and memory allocation when instantiating new objects; Practice modern object composition patterns as alternatives to deep inheritance hierarchies. The course starts with key terminology and foundational memory concepts before progressing systematically through prototype linkages and modern object-oriented patterns. This course is designed for developers who know basic JavaScript syntax but want to master the foundational mechanics of prototypal inheritance and object creation. Begin reading today to build a rock-solid foundation in the JavaScript object model.