Frontend Roadmap

Explain the event loop and how JavaScript handles async operations

What are closures and how do they work?

Explain prototypal inheritance in JavaScript

What are the 4 rules of this binding?

Explain shallow vs deep copy

Explain var, let, const differences and hoisting

What are call, apply, and bind?

What are Promises and how do they work?

Explain async/await and error handling

What is garbage collection and mark-and-sweep?

What is the difference between render phase and commit phase?

How does useState work internally?