React.js Archives - CodeSala

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React.js

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2023

Explain the concept of lazy loading in React.

How does error boundary work in React?

Describe the “render as children” pattern.

What are hooks? How do they differ from HOCs?

Explain how Context API works as an alternative to Redux.

Describe the three principles of Redux.

What is Redux, and when would you use it in a React application?

How does React Router work? Explain its core components.

What is the “render prop” pattern?

Explain the concept of Higher-Order Components (HOCs).

What is the significance of “props.children”?

Describe the differences between server-side rendering (SSR) and client-side rendering (CSR).

What is the “custom hook” in React? Provide an example.

Differentiate between “memo” and “useMemo”.

What is the purpose of the “useContext” hook?

Explain the usage of “useReducer” hook.

Describe the role of the “useState” and “useEffect” hooks.

What is the significance of keys in React lists?

How can you optimize the performance of a React application?

What are controlled and uncontrolled components?

Explain the concept of reconciliation in React.

What are React Fragments and why would you use them?

Describe the process of JSX compilation.

What is JSX? How is it different from HTML?

What are the differences between functional and class components?

React Js Project

2023

Counter App

React Js Project

2023

Crafting an Efficient Todo List App using React JS

React Js Project

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How does React achieve optimal rendering performance?

Explain the Virtual DOM and its benefits.

What is React.js and what problem does it solve?

300 interview questions for React.js