HTML/CSS, JavaScript, Python, and SQL Online Test

TestDome skill assessments are used by more than 5,000 companies and 450,000 individual test takers.

Jobseekers: Get a Certificate

Take a Practice Test

Companies: Try First, Pay Later

Sign Up To Use This Test

The HTML/CSS, JavaScript, Python, and SQL online test assesses candidates' knowledge across the whole Web stack from HTML, CSS, and JavaScript on the Web front-end over Python on the back-end to SQL for data access.

It's an ideal test for pre-employment screening. A good full stack Python developer needs to be able to use a wide range of technologies.

This online test requires candidates to solve coding problems and find and fix bugs in multiple technologies.

Recommended Job Roles
Full-Stack Developer
JavaScript Developer
Python Developer
SQL Developer
Web 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.

Students

3min
  -  
Easy  
  -  
CODE

SQL Aggregation Select Public

Given the following data definition, write a query that returns the number of students whose first name is John. String comparisons should be case sensitive.

TABLE students
   id INTEGER PRIMARY KEY,
   firstName VARCHAR(30) NOT NULL,
   lastName VARCHAR(30) NOT NULL

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

File Owners

10min
  -  
Easy  
  -  
CODE

Python Dictionary Public

Implement a group_by_owners function that:

  • Accepts a dictionary containing the file owner name for each file name.
  • Returns a dictionary containing a list of file names for each owner name, in any order.

For example, for dictionary {'Input.txt': 'Randy', 'Code.py': 'Stan', 'Output.txt': 'Randy'} the group_by_owners function should return {'Randy': ['Input.txt', 'Output.txt'], 'Stan': ['Code.py']}.

Use Free Questions On a Trial Plan

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, Document Store, Positive Numbers, Greeter, Links, Function Wrapper, Double, Truthy Expressions, Roads, Table of Names, Word Count, Cards, Is Alpha, Needle, Word Count, New Folder, Log Patch, Max Sum, Shipping, Loading Bar, Ingredients, Array Search, Read First Line, Read Write Execute, Log Patch, Reorder, Segment, Segment, Hobbies, Numbers to Text, A Tag, Ad, Addition, Article Style, ATM Locations, Authors, Autocomplete, Baby Names, Ban Users, Bank Branches, Blog, Bookmark, Breakfast Menu, Cargo Ship, Category Tree, Chain Link, Cheapest Product, Christmas Tree, Cities, Confirm, Countries, Crop Ratio, Date Transform, Date Transform, Department Report, Developers, Editor, Employee Manager, Veterinarian, Format Table, Height, Hide Button, Hobbies, Hospital Patients, Index Performance, Menu Items, Merge Stock Index, Movies, Movies Live, Projects, Rectangles, Restaurant Menu, Retirees, Sales, SMS Messages, Student Activities, Tasks, Transactions, Youngest Child, iframe, Keywords, Label Color, Link, Loading, Log Parser, Log Parser, Logo, Medical Record, Moving Total, Paragraph, Paragraph, Post Comment, Product Rating, Products, Products, Reward Points, Row Appender, Scale Font Size, Screen Reader, Share Button, Shirts, Snapshot, TestDome Logo, Timesheet, Tuple Slice, Unique Numbers, Upload, Username, Username, Vectors, Warehouse, Widgets, Language Teacher, Welfare Organization, Manager Sales, Delete Orders, Validation, Timer, Book Sale, Screen, Data Entry, Email Tables, Student Max Score, Average Salary, Movie Genres, Student Rankings, Auto Show, Ice Cream Flavors, Poll
Skills
JavaScript Arrays Python Bug fixing Language Closures HTML/CSS CSS selectors Styling Exceptions DOM manipulation Event handling SQL Conditions Views Strings List comprehension Stream Monkey patching Algorithmic thinking Arithmetic HTML5 Subqueries Update Recursion Iteration Attribute manipulation Element spacing CSS advanced Element size Constraints Create table Database schema Select Create index Performance tuning Flexbox Positioning Alter table Elements and attributes Semantic tags Bookmarks Selectors Lists Tuples Dictionary Linked list Aggregation Fonts Dialog box Ordering Integer division Regex Insert Left join Queue Objects Asynchronous calls Indexes Union Group by Joins Hyperlink IFrame Animation Serialization XML Named tuple Set Content manipulation JSON Sorting Accessibility Forms CSS layout Tables Inheritance OOP SQL CASE CTE Delete Callback Classes ECMAScript 2015 Borders Inline styles Responsive design
Score Distribution
Loading...
Pricing For Premium Questions