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HTML Interview Questions

90+ most important HTML interview questions covering semantics, forms, accessibility, media, and creating structured, interactive web pages.
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HTML Interview GuidesExplore our starter guides to get a solid grasp of HTML interview prep before jumping into practice.
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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
  • getElementsByStyleImplement a function to get all DOM elements that are rendered using the specified style
    Languages
  • HTML SerializerImplement a function to serialize an object into an HTML string with indentation
    Languages
  • 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
  • getElementsByClassNameImplement a function to get all DOM elements that contain the specified classes
    Languages
  • 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
  • jQuery.cssPremiumImplement a jQuery-like function that sets the style of a DOM element
    Languages
  • 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
  • getElementsByTagNamePremiumImplement a function to get all DOM elements that match a tag
    Languages
  • Grid LightsPremiumBuild a grid of lights where the lights deactivate in the reverse order they were activated
    Available frameworks
  • Identical DOM TreesPremiumImplement a function to determine if two DOM trees are the same
    Languages
  • jQuery Class ManipulationPremiumImplement a set of jQuery-like functions that manipulates classes on a DOM element
    Languages
  • 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
  • Text SearchPremiumImplement a function to highlight text if a searched term appears within it
    Languages
  • Progress Bars IIIPremiumBuild a list of progress bars that fill up gradually concurrently, up to a limit of 3
    Available frameworks
  • Text Search IIPremiumImplement a function to highlight text if searched terms appear within it
    Languages
  • 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
  • Signup FormPremiumBuild a signup form that does validation on user details and submits to a back end API
    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
  • getElementsByTagNameHierarchyPremiumImplement a function to get all DOM elements that match a tag hierarchy
    Languages
  • Modal Dialog IVPremiumBuild a fully-accessible modal dialog component that supports all required keyboard interactions
    Available frameworks
  • Table of ContentsPremiumImplement a function to construct a table of contents from an HTML document
    Languages
  • 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

HTML Interview Questions and Answers

Are you tired of low-quality HTML interview question lists that offer vague questions and answers? Our platform provides a comprehensive resource for HTML interview preparation, featuring a high-quality list of over 90 HTML interview questions and answers.

Curated and answered by ex-FAANG interviewers, our collection of must-know HTML interview questions ensures you're prepared for any type of interview you may face. Each question also comes with example solutions and comprehensive, automated test cases, allowing you to improve your skills efficiently.

Our list contains two large categories of questions: HTML coding interview questions and HTML quiz interview questions.

HTML Coding Interview Questions

Master essential HTML techniques and interview patterns by practicing with our list of well-curated HTML coding interview questions. From creating semantic markup, structuring web content, to working with multimedia elements and forms, we offer numerous practice questions with example answers.

Additionally, we provide an in-browser coding workspace, enabling you to code directly in the browser with no setup required. Run your code against our automated test cases and know if it's accurate within seconds. Moreover, you can improve your code and learn best practices from the well-explained solutions provided by credible and respected former big tech senior/staff engineers.

HTML Quiz Interview Questions

HTML quiz questions generally test your knowledge and fundamentals. We have the top 20 questions that are commonly asked in such interviews, covering important topics like performance, web APIs, internationalization and testing. Again, we provide detailed answers to these questions written by ex-interviewers.