Helpful List of 50 React Developer Interview Questions to Find the Ideal Candidate

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Helpful List of 50 React Developer Interview
Questions to Find the Ideal Candidate
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Importance of Asking the Right React Interview
Questions

• Asking the right questions from a React developer
  in an interview is very crucial to hire the right
  developer who can deliver the desirable
  objectives of your project. You need to explore
  all aspects of technical knowledge, expertise,
  and experience of a candidate before you hire
  React developer for your project. You can do such
  in-depth scrutiny of qualities of the right by
  asking the most relevant interview questions.

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Top 50 React Developer Interview Questions

• What you know about React?
• What is a virtual DOM?
• How React is different from other JavaScript
  libraries?
• What are the major benefits of using React JS
  platform in web development?
• How virtual DOM is different from real DOM?
• What are the most salient features of React JS
  library?
• Can web browsers read the JSX code?
• What you know about the major limitations of
  React JS library?
• Which syntax does React JS use?
• How can you differentiate ES6 and ES5 React
  syntaxes?

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Top 50 React Developer Interview Questions

• How will you compare React JS with Angular?
• How will explain that React is all about the
  components?
• What is a state in the React JS library?
• What should be the major skills of a solid React
  JS development team?
• What you know about DOM diffing?
• How do you create forms with React JS library?
• What you know about Redux and Flux?
• What are the major components of the Redux
  library?
• What you know about the React router and what is
  it used for?
• What do you know about the Redux development?

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Top 50 React Developer Interview Questions

• What is Props in React JS library?
• What is the difference between props and state?
• What steps will you take if your React based
  application is rendering a web page very slowly?
• What are the major approaches that are commonly
  used for styling the React application?
• For what purpose is the StrictMode component used
  in React JS programming?
• How will you differentiate between a JavaScript
  library and a JavaScript platform?
• What you know about props drilling and how can it
  be avoided in React?
• What you know about the complete lifecycle phases
  of React JS components?
• What are a few very important methods of
  lifecycles used in the React JS development?
• How do you define events in React and how are
  they created?

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Top 50 React Developer Interview Questions

• What skills are required to become a React JS
  consulting professional?
• What is a reference (refs) in React development
  and what is it used for?
• What will you do for the modularizing of the
  React JS code in an application?
• How does the exchange of information take place
  in parent and child components?
• What is the difference between conventional
  routing and React router?
• What do you know about the Higher Order
  Components (HOC) in React JS?
• What are the names of a few most commonly used
  components in React?
• What you know about the pure components?
• What is a synthetic event and name a few types of
  synthetic React events?
• In what conditions, would you use functional and
  class components?

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Top 50 React Developer Interview Questions

• How can differentiate between an element and a
  component in React?
• What you know about event handling in React?
• Which AJAX library is supported in the React JS
  development?
• How will you differentiate cloneElement and
  createElement?
• What do you mean by controlled and uncontrolled
  components?
• What is the difference between one-way and
  two-way data binding?
• How do you explain ReactJS in terms of MVC
  architecture?
• How will you define stateless components?
• Can you nest one JSX element into another JSX
  element in React JS library?
• What are three major principles of the Redux
  library?

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Check out more React JS interview questions by
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