Blazing fast interactive Playground
Wirte your code in a live environment that tests your solutions on the fly
Learn Frontend Development with unique, real world challenges
Practice, learn and excel with interactive coding challenges inspired big tech companies. Carefully crafted by senior developers and interviewers to let you tackle any aspect of FrontEnd Development.
How it works
From real-world challenges to personalized feedback
Discover how our platform transforms coding practice into a powerful learning experience. Explore the features designed to elevate your skills and prepare you for success in the tech industry
Pick your challenge
Select from a list of handpicked real interviews exercises or carefully crafted challenges that match your skill level and interests
Code and Conquer
Write your solution in our interactive Playground and see how it stands up to automated tests
Feedback and Resources
Get immediate feedback, tweak your code from the provided solution or learn from the provided resources
Our Challenges
From real-world challenges to personalized feedback
- Contact Form
- FAQ Accordion
- Accessible Accordion
- usePrevious
- Tic Tac Toe
- Object Freeze
- Object Equality
- Debugging
- Configurable Factory
- Infinite Scroll
- useLocalStorage
- Flight Booking
- Virtual DOM
- BMI Calculator
- Monads
- useDebounce
- Advanced Memo Caching
- Lazy Generator
- Compose
- useFetch
- Simple Closure
- Flatten
- Undo Redo
- Lifo Principle
- Caching Function
- Tweet
- Flash Cards
- Create Counter
- Custom Redux
- Debounce
- Promise All
- Rock Paper Scissors
- Map
- Custom Promise
- Promisify
- Curry
- Color Picker
- Deep Clone
- Transducer
- Recipe Finder
- Lazy Evaluation
- useInterval
- Throttle
- Number Guesser
- Tabs
- Expense Tracker
- useToggle
- Once Function
- Reduce
- Advanced Form Validation
- Word Guessing Game
- Filter
- Stopwatch
Features
Your ultimate coding Playground
An immersive playground, real-world challenges, custom carefully crafted question built from senior developers, solutions and resources.
Real-World challenges
Conquer tasks from top tech companies and see how you measure up
Custom paths
Choose between paths tailored to let you uncover every aspect of your chosen topic
Solutions from Senior Devs
Review fully working solution for each challenge to understand different approaches and improve your coding
Instant feedback
Receive immediate feedback to help you learn and adapt quickly. Stuck on a challenge? View the solution or the resources provied
Progress tacking
Keep an eye on your achievements and track your progress as you tackle more challenges
Features
Your ultimate coding Playground
An immersive playground, real-world challenges, custom carefully crafted question built from senior developers, solutions and resources.