Practice by framework

Questions List

• CounterWarm Up QuestionBuild a simple counter that increments whenever a button is clicked

  Difficulty

  Easy

  Available frameworks

  Users completed

  8315 completed
• Contact FormBuild a contact form which submits user feedback and contact details to a back end API

  Difficulty

  Easy

  Available frameworks

  Users completed

  4609 completed
• Holy GrailBuild the famous holy grail layout consisting of a header, 3 columns, and a footer

  Difficulty

  Easy

  Available frameworks

  Users completed

  3705 completed
• Mortgage CalculatorBuild a calculator that computes the monthly mortgage for a loan

  Difficulty

  Easy

  Available frameworks

  Users completed

  699 completed
• TabsBuild a tabs component that displays a list of tab elements and one associated panel of content at a time

  Difficulty

  Medium

  Available frameworks

  Users completed

  1203 completed
• Todo ListBuild a Todo list that lets users add new tasks and delete existing tasks

  Difficulty

  Medium

  Available frameworks

  Users completed

  2109 completed
• Traffic LightBuild a traffic light where the lights switch from green to yellow to red after predetermined intervals and loop indefinitely

  Difficulty

  Medium

  Available frameworks

  Users completed

  657 completed
• Digital ClockBuild a 7-segment digital clock that shows the current time

  Difficulty

  Medium

  Available frameworks

  Users completed

  408 completed
• Job BoardBuild a job board that displays the latest job postings from Hacker News

  Difficulty

  Medium

  Available frameworks

  Users completed

  436 completed
• AccordionBuild an accordion component that a displays a list of vertically stacked sections with each containing a title and content snippet

  Difficulty

  Easy

  Available frameworks

  Users completed

  1111 completed
• Flight BookerBuild a component that books a flight for specified dates

  Difficulty

  Easy

  Available frameworks

  Users completed

  517 completed
• Generate TableGenerate a table of numbers given the rows and columns

  Difficulty

  Easy

  Available frameworks

  Users completed

  560 completed
• Progress BarBuild a progress bar component that shows the percentage completion of an operation

  Difficulty

  Easy

  Available frameworks

  Users completed

  1009 completed
• Progress BarsBuild a list of progress bars that fill up gradually when they are added to the page

  Difficulty

  Easy

  Available frameworks

  Users completed

  535 completed
• Temperature ConverterBuild a temperature converter widget that converts temperature values between Celsius and Fahrenheit

  Difficulty

  Easy

  Available frameworks

  Users completed

  864 completed
• TweetBuild a component that resembles a Tweet from Twitter

  Difficulty

  Easy

  Available frameworks

  Users completed

  472 completed
• Accordion IIBuild an accessible accordion component that has the right ARIA roles, states, and properties

  Difficulty

  Medium

  Available frameworks

  Users completed

  232 completed
• Accordion IIIBuild a fully accessible accordion component that has keyboard support according to ARIA specifications

  Difficulty

  Medium

  Available frameworks

  Users completed

  114 completed
• Analog ClockBuild an analog clock where the hands update and move like a real clock

  Difficulty

  Medium

  Available frameworks

  Users completed

  181 completed
• Grid LightsBuild a grid of lights where the lights deactivate in the reverse order they were activated

  Difficulty

  Medium

  Available frameworks

  Users completed

  268 completed
• Like ButtonBuild a Like button that changes appearance based on the states

  Difficulty

  Medium

  Available frameworks

  Users completed

  341 completed
• Progress Bars IIBuild a list of progress bars that fill up gradually in sequence, one at a time

  Difficulty

  Medium

  Available frameworks

  Users completed

  180 completed
• 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

  Difficulty

  Medium

  Available frameworks

  Users completed

  733 completed
• Tabs IIBuild a semi-accessible tabs component that has the right ARIA roles, states, and properties

  Difficulty

  Medium

  Available frameworks

  Users completed

  113 completed
• Tabs IIIBuild a fully accessible tabs component that has keyboard support according to ARIA specifications

  Difficulty

  Medium

  Available frameworks

  Users completed

  69 completed
• Progress Bars IIIBuild a list of progress bars that fill up gradually concurrently, up to a limit of 3

  Difficulty

  Medium

  Available frameworks

  Users completed

  112 completed
• Tic-tac-toeBuild a tic-tac-toe game that is playable by two players

  Difficulty

  Medium

  Available frameworks

  Users completed

  151 completed
• StopwatchBuild a stopwatch widget that can measure how much time has passed

  Difficulty

  Medium

  Available frameworks

  Users completed

  137 completed
• Transfer ListBuild a component that allows transferring of items between two lists

  Difficulty

  Medium

  Available frameworks

  Users completed

  141 completed
• Undoable CounterBuild a counter with a history of the values and ability to undo/redo actions

  Difficulty

  Medium

  Available frameworks

  Users completed

  119 completed
• Whack-A-MoleBuild a popular arcade game where players attempt to hit moles as they pop up from holes in a board

  Difficulty

  Medium

  Available frameworks

  Users completed

  54 completed
• Memory GameBuild a memory game where the player needs to match pairs of cards

  Difficulty

  Medium

  Available frameworks

  Users completed

  57 completed
• Progress Bars IVBuild a list of progress bars that fill up gradually concurrently, up to a limit of 3 and allows for pausing and resuming

  Difficulty

  Hard

  Available frameworks

  Users completed

  62 completed
• Tic-tac-toe IIBuild an N x N tic-tac-toe game that requires M consecutive marks to win

  Difficulty

  Hard

  Available frameworks

  Users completed

  38 completed
• Transfer List IIBuild a component that allows transferring of items between two lists, bulk selection/unselection of items, and adding of new items

  Difficulty

  Hard

  Available frameworks

  Users completed

  40 completed
• WordleBuild Wordle, the word-guessing game that took the world by storm

  Difficulty

  Hard

  Available frameworks

  Users completed

  27 completed