Enjoy 20% off all plans by following our social accounts!
Pricing Sign in / up
Get full access
ReactAngularVueSvelteJavaScriptCSSHTMLTypeScript

React Interview Questions

100+ most important React interview questions on component architecture, hooks, state management, performance, and real-world UI components.
Solved by ex-interviewers
Test scenarios
Code in browser

Questions List

React Interview GuidesExplore our starter guides to get a solid grasp of React interview prep before jumping into practice.
0/3 guides
GUIDES
  • CounterWarm up questionBuild a simple counter that increments whenever a button is clicked
    Available frameworks
  • AccordionBuild an accordion component that a displays a list of vertically stacked sections with each containing a title and content snippet
    Available frameworks
  • Contact FormBuild a contact form which submits user feedback and contact details to a back end API
    Available frameworks
  • Holy GrailBuild the famous holy grail layout consisting of a header, 3 columns, and a footer
    Available frameworks
  • Progress BarsBuild a list of progress bars that fill up gradually when they are added to the page
    Available frameworks
  • Mortgage CalculatorBuild a calculator that computes the monthly mortgage for a loan
    Available frameworks
  • TabsBuild a tabs component that displays a list of tab elements and one associated panel of content at a time
    Available frameworks
  • Data TableBuild a users data table with pagination features
    Available frameworks
  • Dice RollerBuild a dice roller app that simulates the results of rolling 6-sided dice
    Available frameworks
  • File ExplorerBuild a file explorer component to navigate files and directories in a tree-like hierarchical viewer
    Available frameworks
  • Like ButtonBuild a Like button that changes appearance based on the states
    Available frameworks
  • Modal DialogBuild a reusable modal dialog component that can be opened and closed
    Available frameworks
  • Star RatingBuild a star rating component that shows a row of star icons for users to select the number of filled stars corresponding to the rating
    Available frameworks
  • Todo ListBuild a Todo list that lets users add new tasks and delete existing tasks
    Available frameworks
  • Traffic LightBuild a traffic light where the lights switch from green to yellow to red after predetermined intervals and loop indefinitely
    Available frameworks
  • Digital ClockBuild a 7-segment digital clock that shows the current time
    Available frameworks
  • Tic-tac-toeBuild a tic-tac-toe game that is playable by two players
    Available frameworks
  • Image CarouselBuild an image carousel that displays a sequence of images
    Available frameworks
  • Job BoardBuild a job board that displays the latest job postings from Hacker News
    Available frameworks
  • StopwatchBuild a stopwatch widget that can measure how much time has passed
    Available frameworks
  • Transfer ListBuild a component that allows transferring of items between two lists
    Available frameworks
  • Nested CheckboxesBuild a nested checkboxes component with parent-child selection logic
    Available frameworks
  • Flight BookerPremiumBuild a component that books a flight for specified dates
    Available frameworks
  • Generate TablePremiumGenerate a table of numbers given the rows and columns
    Available frameworks
  • Progress BarPremiumBuild a progress bar component that shows the percentage completion of an operation
    Available frameworks
  • Temperature ConverterPremiumBuild a temperature converter widget that converts temperature values between Celsius and Fahrenheit
    Available frameworks
  • TweetPremiumBuild a component that resembles a Tweet from Twitter
    Available frameworks
  • Accordion IIPremiumBuild an accessible accordion component that has the right ARIA roles, states, and properties
    Available frameworks
  • Accordion IIIPremiumBuild a fully accessible accordion component that has keyboard support according to ARIA specifications
    Available frameworks
  • Analog ClockPremiumBuild an analog clock where the hands update and move like a real clock
    Available frameworks
  • Data Table IIPremiumBuild a users data table with sorting features
    Available frameworks
  • File Explorer IIPremiumBuild a semi-accessible file explorer component that has the right ARIA roles, states, and properties
    Available frameworks
  • File Explorer IIIPremiumBuild a file explorer component using a flat DOM structure
    Available frameworks
  • Grid LightsPremiumBuild a grid of lights where the lights deactivate in the reverse order they were activated
    Available frameworks
  • Modal Dialog IIPremiumBuild a semi-accessible modal dialog component that has the right ARIA roles, states, and properties
    Available frameworks
  • Modal Dialog IIIPremiumBuild a moderately-accessible modal dialog component that supports common ways to close the dialog
    Available frameworks
  • Progress Bars IIPremiumBuild a list of progress bars that fill up gradually in sequence, one at a time
    Available frameworks
  • Tabs IIPremiumBuild a semi-accessible tabs component that has the right ARIA roles, states, and properties
    Available frameworks
  • Tabs IIIPremiumBuild a fully accessible tabs component that has keyboard support according to ARIA specifications
    Available frameworks
  • Progress Bars IIIPremiumBuild a list of progress bars that fill up gradually concurrently, up to a limit of 3
    Available frameworks
  • Birth Year HistogramPremiumBuild a widget that fetches birth year data from an API and plot it on a histogram
    Available frameworks
  • Connect FourPremiumBuild a game for two players who take turns to drop colored discs from the top into a vertically suspended board/grid
    Available frameworks
  • Image Carousel IIPremiumBuild an image carousel that smoothly transitions between images
    Available frameworks
  • Pixel ArtPremiumBuild a pixel art drawing tool where users can paint pixels with selected colors
    Available frameworks
  • Undoable CounterPremiumBuild a counter with a history of the values and ability to undo/redo actions
    Available frameworks
  • Users DatabasePremiumBuild a UI to filter, create, update, and delete users
    Available frameworks
  • Whack-A-MolePremiumBuild a popular arcade game where players attempt to hit moles as they pop up from holes in a board
    Available frameworks
  • Memory GamePremiumBuild a memory game where the player needs to match pairs of cards
    Available frameworks
  • Auth Code InputPremiumBuild an auth code input component that allows users to enter a 6-digit authorization code
    Available frameworks
  • Progress Bars IVPremiumBuild a list of progress bars that fill up gradually concurrently, up to a limit of 3 and allows for pausing and resuming
    Available frameworks
  • Data Table IIIPremiumBuild a generalized data table with pagination and sorting features
    Available frameworks
  • Modal Dialog IVPremiumBuild a fully-accessible modal dialog component that supports all required keyboard interactions
    Available frameworks
  • Data Table IVPremiumBuild a generalized data table with pagination, sorting and filtering features
    Available frameworks
  • Image Carousel IIIPremiumBuild an image carousel that smoothly transitions between images that has a minimal DOM footprint
    Available frameworks
  • Selectable CellsPremiumBuild an interface where users can drag to select multiple cells within a grid
    Available frameworks
  • Tic-tac-toe IIPremiumBuild an N x N tic-tac-toe game that requires M consecutive marks to win
    Available frameworks
  • Transfer List IIPremiumBuild a component that allows transferring of items between two lists, bulk selection/unselection of items, and adding of new items
    Available frameworks
  • WordlePremiumBuild Wordle, the word-guessing game that took the world by storm
    Available frameworks

React Interview Questions and Answers

Are you tired of poor-quality React interview question lists that offer nothing but ambiguous questions and answers? Our platform provides a comprehensive solution to help you ace your React interviews, including high-quality questions, answers, test scenarios, and even an in-browser coding workspace with instant previews.

Unlike other lists available, our collection of over 108 high-quality React interview questions and answers has been curated by experienced developers who were formerly Big Tech interviewers. Each question is methodically selected and reflects what interviewers are currently asking in front-end and full-stack interviews.

If you've experienced the frustration of searching all over the internet for a reliable and consistent source of solutions for your interview practice questions, we have the answer for you. Every question on our platform comes with example solutions (solved with code) and detailed explanations of the strategies or techniques used. This allows you to focus on honing your technical skills rather than searching for solutions or explanations.

We have two main categories of questions: React coding interview questions and React quiz interview questions.

React Coding Interview Questions

Our carefully selected list of React coding interview questions and answers covers a wide range of practical interview patterns currently in demand - from creating reusable and accessible components to implementing complex state interactions.

Our in-browser coding workspace provides everything you need to master React interviews. With features such as instant previews, you can start coding immediately with no setup required. Moreover, it simulates the environment you will face in real-world coding interviews, allowing you to practice in a setting similar to your actual test. Other valuable features include comprehensive test scenarios akin to those used by interviewers, well-explained solution write-ups, and source code. These features provide quick feedback on how to improve, enhancing the efficiency of your React interview preparation.

React Quiz Interview Questions

React quiz questions often test your understanding of core concepts and best practices. We have compiled the top 50 React quiz questions, covering critical topics such as the component lifecycle, state management, hooks, context API, and performance optimization. Each question is accompanied by detailed answers provided by ex-interviewers, ensuring you grasp essential React principles.