What do I need to know for a react interview?

React Interview Questions

• What are the advantages of using React?
• What is JSX?
• What are the differences between functional and class components?
• What is the virtual DOM?
• What are the differences between controlled and uncontrolled components?
• What are the different lifecycle methods in React?

Why should we hire you react JS?

Here are a few quick points to cover: React JS is a front end JavaScript library for building web and mobile user interfaces (TK) React allows developers to build reusable UI components. It has the support of a large, open source community.

What do you like most about ReactJS?

Here is 7 reasons why we decided go ahead with React:

1. Fast Learning Curve. React is very a simple and lightweight library that only deals with the view layer.
2. Reusable Components.
3. Fast render with Virtual DOM.
4. Clean Abstraction.
5. Flux and Redux.
6. Great Developer Tools.
7. React Native.
8. 1 Comments:

What are the important topics in react JS?

Hooks should always be used at the top level of the React functions. This rule ensures that Hooks are called in the same order each time a components renders. You cannot call Hooks from regular JavaScript functions. Instead, you can call Hooks from React function components.

What are some good interview questions for ReactJS?

The ReactJS interview questions are grouped into the following categories: Master the fundamentals of React including JSX, props, state, and events. Consider the React.JS Certification Training Course. Enroll now! Here are some ReactJS Interview Questions on basic concepts. 1. What are the features of React?

How to create a react app with NodeJS?

These are the steps for creating a React app: Install NodeJS on the computer because we need npm to install the React library. Npm is the node package manager that contains many JavaScript libraries, including React. Install the create-react-app package using the command prompt or terminal.

What is JSX and how to use it in react?

By using JSX, we can write HTML structures in the same file that contains JavaScript code. Components: Components are the building blocks of any React application, and a single app usually consists of multiple components. It splits the user interface into independent, reusable parts that can be processed separately.

What are the components of react?

Components: Components are the building blocks of any React application, and a single app usually consists of multiple components. It splits the user interface into independent, reusable parts that can be processed separately. Virtual DOM: React keeps a lightweight representation of the real DOM in the memory, and that is known as the virtual DOM.