React JS Masterclass - Go From Zero To Job Ready - useCallback Hook / 037

The video tutorial focuses on the useEffect hook in React, demonstrating how to define and call functions within it. It explains the issues that arise when functions are defined outside of useEffect, particularly the infinite loop problem caused by dependencies. The tutorial provides a solution using the useCallback hook to manage dependencies effectively, ensuring that functions do not cause unnecessary re-renders.

What is the purpose of the useEffect hook in React?

Explain the significance of calling a function inside a useEffect.

Describe the potential issues that can arise from having a function defined outside of useEffect.

What happens if you do not include the necessary dependencies in the useEffect hook?

What are the consequences of not handling the fetch function properly in useEffect?

How can you prevent an infinite loop when using dependencies in useEffect?

What is the role of the useCallback hook in relation to useEffect?

How does the useRef hook relate to managing dependencies in React?

What is the difference between using a function inside useEffect and defining it outside?

Why is it important to manage dependencies correctly in React hooks?