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Top 30 React Interview Questions and Concepts

Top 30 React Interview Questions and Concepts

Do you have a React interview coming up? Or do you just want to test your React skills?

We just published a course on the freeCodeCamp.org YouTube channel that will help you to prepare for a React interview by teaching you about 30 common React interview questions and concepts.

Nishant Singh developed this course. Nishant is a Frontend Engineer and tutorial creator.

Here are the topics you will learn about in this course:

  • Map and Filter
  • States in React
  • Props in React
  • Inline Conditional Expressions
  • Event Handling in React
  • Keys in React
  • Forms in React
  • Dynamic Inputs in React
  • CSS Styling in React
  • Uncontrolled v/s Controlled Components
  • Virtual DOM
  • InnerHTML in React
  • React Fragments
  • Stateless v/s Stateful Components
  • REST API Requests
  • Debouncing in React
  • Context API in React
  • Class v/s ClassNames in React
  • Higher Order Components
  • Lazy Loading in React
  • Helper Functions in React
  • Implementing Recursion in React
  • Running Arrays of Functions
  • Custom Hooks in React
  • Promises and Async/Await
  • Code Splitting in React(Dynamic Imports)
  • Creating a Search Filter in React
  • Adding TypeScript to React
  • React Testing Library
  • Caching an API Response

Watch the full course below or on the freeCodeCamp.org YouTube channel (5-hour watch).

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Posted in React