JavaScript Prototypes 2025 – The Complete Course

Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Master the foundations and nuances of JavaScript’s prototypal inheritance system in this comprehensive course. You'll gain a deep understanding of how JavaScript handles object creation, inheritance, and the prototype chain, equipping you with practical skills to write more efficient and scalable code. The course begins by introducing key co…