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ConceptsFrom Prototypes to ES6 Classes: Understanding JavaScript's Object-Oriented Nature

Avnish Yadav – February 21, 2026 · 7 MIN READ

From Prototypes to ES6 Classes: Understanding JavaScript's Object-Oriented Nature

JavaScript classes are often misunderstood as traditional blueprints. In reality, they are syntactic sugar over a unique prototypal inheritance model. Here is how the engine actually works.