Practice 50 React Coding Interview Questions with Solutions

Practice 50 React coding interview questions with solutions. Essential for front end developers aiming to excel in their 2025 job interviews
Author
Nitesh Seram
6 min read
Jan 30, 2025

React has become the go-to library for building modern web applications, and mastering it requires more than just reading documentation—you need hands-on practice. Whether you're a beginner or an experienced developer, coding questions can help sharpen your React skills and reinforce core concepts.

At our platform, we offer a curated list of interactive React coding questions designed to test your UI development skills. These questions range from simple UI components to complex interactive elements, all helping you level up as a React developer.

Why Practice React Coding Questions?

  • Improve Problem-Solving Skills - Tackle real-world UI problems and gain practical experience

  • Strengthen Component-Based Thinking - Learn how to structure and optimize React components

  • Master State Management - Work with React's state and hooks in practical scenarios

  • Build a Strong UI Foundation - Create reusable and accessible UI components

  • Prepare for Job Interviews - Many of these questions reflect common React interview UI questions

Here's a sneak peek at some of the most popular React coding questions available on our platform:

Beginner-Friendly Questions

1. Accordion

Build an accordion component that a displays a list of vertically stacked sections with each containing a title and content snippet.

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2. Contact Form

Build a contact form which submits user feedback and contact details to a back end API.

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3. Holy Grail

Build the famous holy grail layout consisting of a header, 3 columns, and a footer.

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4. Progress Bars

Build a list of progress bars that fill up gradually when they are added to the page.

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5. Mortgage Calculator

Build a calculator that computes the monthly mortgage for a loan.

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6. Flight Booker

Build a component that books a flight for specified dates.

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7. Generate Table

Generate a table of numbers given the rows and columns.

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8. Progress Bar

Build a progress bar component that shows the percentage completion of an operation.

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9. Temperature Converter

Build a temperature converter widget that converts temperature values between Celsius and Fahrenheit.

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10. Tweet

Build a component that resembles a Tweet from Twitter.

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Intermediate Questions

11. Tabs

Build a tabs component that displays a list of tab elements and one associated panel of content at a time.

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12. Data Table

Build a users data table with pagination features.

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13. Dice Roller

Build a dice roller app that simulates the results of rolling 6-sided dice.

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14. File Explorer

Build a file explorer component to navigate files and directories in a tree-like hierarchical viewer.

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15. Like Button

Build a Like button that changes appearance based on the states.

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16. Modal Dialog

Build a reusable modal dialog component that can be opened and closed.

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17. Star Rating

Build a star rating component that shows a row of star icons for users to select the number of filled stars corresponding to the rating.

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18. Todo List

Build a Todo list that lets users add new tasks and delete existing tasks.

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19. Traffic Light

Build a traffic light where the lights switch from green to yellow to red after predetermined intervals and loop indefinitely.

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20. Digital Clock

Build a 7-segment digital clock that shows the current time.

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21. Tic-tac-toe

Build a tic-tac-toe game that is playable by two players.

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22. Image Carousel

Build an image carousel that displays a sequence of images.

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23. Job Board

Build a job board that displays the latest job postings from Hacker News.

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24. Stopwatch

Build a stopwatch widget that can measure how much time has passed.

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25. Transfer List

Build a component that allows transferring of items between two lists.

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26. Accordion II

Build an accessible accordion component that has the right ARIA roles, states, and properties.

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27. Accordion III

Build a fully accessible accordion component that has keyboard support according to ARIA specifications.

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28. Analog Clock

Build an analog clock where the hands update and move like a real clock.

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29. Data Table II

Build a users data table with sorting features.

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30. File Explorer II

Build a semi-accessible file explorer component that has the right ARIA roles, states, and properties.

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31. File Explorer III

Build a file explorer component using a flat DOM structure.

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32. Grid Lights

Build a grid of lights where the lights deactivate in the reverse order they were activated.

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33. Modal Dialog II

Build a semi-accessible modal dialog component that has the right ARIA roles, states, and properties.

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34. Modal Dialog III

Build a moderately-accessible modal dialog component that supports common ways to close the dialog.

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35. Progress Bars II

Build a list of progress bars that fill up gradually in sequence, one at a time.

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36. Tabs II

Build a semi-accessible tabs component that has the right ARIA roles, states, and properties.

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37. Tabs III

Build a fully accessible tabs component that has keyboard support according to ARIA specifications.

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38. Progress Bars III

Build a list of progress bars that fill up gradually concurrently, up to a limit of 3.

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39. Birth Year Histogram

Build a widget that fetches birth year data from an API and plot it on a histogram.

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40. Connect Four

Build a game for two players who take turns to drop colored discs from the top into a vertically suspended board/grid.

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41. Image Carousel II

Build an image carousel that smoothly transitions between images.

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Advanced Questions

42. Nested Checkboxes

Build a nested checkboxes component with parent-child selection logic.

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43. Auth Code Input

Build an auth code input component that allows users to enter a 6-digit authorization code.

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44. Progress Bars IV

Build a list of progress bars that fill up gradually concurrently, up to a limit of 3 and allows for pausing and resuming.

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45. Data Table III

Build a generalized data table with pagination and sorting features.

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46. Modal Dialog IV

Build a fully-accessible modal dialog component that supports all required keyboard interactions.

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47. Selectable Cells

Build an interface where users can drag to select multiple cells within a grid.

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48. Wordle

Build Wordle, the word-guessing game that took the world by storm.

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49. Tic-tac-toe II

Build an N x N tic-tac-toe game that requires M consecutive marks to win.

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50. Image Carousel III

Build an image carousel that smoothly transitions between images that has a minimal DOM footprint.

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