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
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.
GreatFrontEnd offers 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.
If you're looking for more in-depth React interview preparation materials, also check out these resources:
- React Interview Playbook
- Practice React coding interview questions
- Practice React quiz interview questions
Why practice React coding questions?
React coding interview questions are possibly the most important round in the front end developer job interview process across every seniority. Interviewers want to see candidates with the following skills:
- Problem solving: Tackle real-world UI problems
- Component-based thinking: How you structure and optimize React components
- State management: Work with React's state and hooks in practical scenarios
- Strong foundation: Ability to create reusable and accessible UI components
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.