HTML/CSS, JavaScript, and Bootstrap Online Test

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The HTML/CSS, JavaScript, and Bootstrap online test assesses candidates' knowledge of HTML, CSS and JavaScript as well as their ability to combine those technologies and take advantage of commonly used parts of Bootstrap.

It's an ideal test for pre-employment screening. A good front-end developer should be able to combine HTML, CSS, and JavaScript to create a dynamic and interactive user interface and recognize when to leverage the functionality provided by Bootstrap to make the code more robust and maintainable.

This online test requires candidates to solve common HTML/CSS, JavaScript, and Bootstrap coding problems.

Recommended Job Roles
Bootstrap Developer
JavaScript Developer
UI/UX Developer
Web Front-End Developer
Sample Candidate Report

Sample Free Questions

Ensure

3min
  -  
Easy 
  -  
CODE

JavaScript Error handling Language Public

Implement the ensure function so that it throws an error if called without arguments or the argument is undefined. Otherwise it should return the given value.

Info Button

5min
  -  
Easy 
  -  
CODE

Bootstrap Buttons Styling Public

Write the HTML markup, using Bootstrap classes, to display a Button that looks like this.

A blue info button.

Avatar

7min
  -  
Easy 
  -  
CODE

HTML/CSS Borders Element size Styling Public

Every user on your website has an image avatar that is displayed when they post a comment. You want to style these images differently from other images on your site. Add a CSS class named avatar that fulfils the following requirements:

  1. The avatar's border is rounded, so that it appears as a circle.
  2. The avatar's width and height are both 150px.
  3. The avatar has a solid border, has a width of 2px, and be colored gray.

For example, the avatar in the template should look like:

Cat avatar

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Premium Questions

The premium question library contains our unique, hand-crafted questions. We offer a refund if you find any of them answered online.

Questions
Filter, Positive Numbers, Links, Function Wrapper, Double, Truthy Expressions, Table of Names, Word Count, Cards, Data Sheet, Zoo, New Folder, Log Patch, Loading Bar, Array Search, Display Case, Reorder, Screen, Segment, Hobbies, A Tag, Ad, Addition, Article Style, Baby Names, Blog, Bookmark, Breakfast Menu, Buttons, Cat Description, Christmas Tree, Cities, Confirm, Data Entry, Date Transform, Editor, Email Tables, Form Guidelines, Format Table, Fruits, Grid, Height, Hide Button, Ice Cream Flavors, iframe, Keywords, Label Color, Link, Loading, Log Parser, Logo, Paragraph, Post Comment, Product Rating, Products, Row Appender, Scale Font Size, Screen Reader, Share Button, Shirts, Snapshot, Status Buttons, Stopwatch, TestDome Logo, Timesheet, Toolbar, Trending News, Upload, Username, Validation, Vectors, Warehouse, Widgets
Skills
JavaScript Arrays Closures HTML/CSS CSS selectors Styling Exceptions DOM manipulation Event handling Language Strings Bootstrap Grid layout Monkey patching HTML5 Recursion Bug fixing Classes ECMAScript 2015 Arithmetic Iteration Attribute manipulation Element spacing CSS advanced Element size Flexbox Positioning Elements and attributes Semantic tags Bookmarks Selectors Buttons Cards Components Fonts Dialog box Forms Regex Borders Inline styles Plugins Objects Asynchronous calls Responsive design Hyperlink IFrame Animation Serialization XML Content manipulation JSON Sorting Accessibility Badges Callback CSS layout Tables
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