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

It's an ideal test for pre-employment screening. A good full stack developer C# 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
.NET Developer
C# Developer
Full-Stack Developer
JavaScript Developer
SQL Developer
Web Developer
Sample Candidate Report

Sample Free Questions

Ensure

3min
  -  
Easy  
  -  
CODE

JavaScript 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
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Easy  
  -  
CODE

SQL Aggregation 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
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Easy  
  -  
CODE

HTML/CSS CSS selectors 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

Alert Service

10min
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Easy  
  -  
CODE

C# Refactoring Public

Refactor the AlertService and AlertDAO classes:

  • Create a new interface, named IAlertDAO, that contains the same methods as AlertDAO.
  • AlertDAO should implement the IAlertDAO interface.
  • AlertService should have a constructor that accepts IAlertDAO.
  • The RaiseAlert and GetAlertTime methods should use the object passed through the constructor.
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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
Prefix, Link, Bicycle, Editor, Classroom, Filter, Stopwatch, Movies, Disposable Wrapper, Index Performance, Poll, Rectangles, Blog, Needle, Log Parser, Label Color, Driver Exam, Positive Numbers, Logo, Vectors, Crop Ratio, Article Style, Retirees, Chicken, Share Button, Ad, Racer, Authors, Countries, Employee Manager, Paragraph, Paragraph, Row Appender, Keywords, Chain Link, Sort Params, Node, Cheapest Product, Links, Vectors, Function Wrapper, Confirm, Movies Live, Double, Hide Button, Read First Line, Truthy Expressions, ATM Locations, Bookmark, Christmas Tree, Developers, iframe, Delete Orders, Product Rating, Product Refactoring, Products, Restaurant Menu, Roads, Sales, Shirts, Snapshot, Snapshot, Student Activities, Table of Names, Transactions, Warehouse, Word Count, Projects, Baby Names, Loading, Log Parser, Cards, Document Store, Youngest Child, Format Table, Document Counter, Breakfast Menu, Cities, Screen Reader, Scale Font Size, New Folder, Internal Nodes, Window Manager, Moving Total, Unique Numbers, Paper Strip, Max Sum, Friend, Remove Repetitions, Log Patch, Log Patch, Platformer, Shipping, Timesheet, Chinese Box, Tasks, Loading Bar, Weighted Average, Ingredients, Autocomplete, Bank Branches, Hospital Patients, Menu Items, Ban Users, Shining Star, Unloading Trucks, Array Search, Validation, Stack to List, Height, Read Write Execute, Eye of the Storm, SMS Messages, Procedural Generator, Data Entry, Email Tables, Student Max Score, TestDome Logo, Ice Cream Flavors, A Tag, Widgets, Upload, Reorder, Adder, Shelf Test, Stories, Screen, Department Report, Runner, Post Comment, Merge Stock Index, Date Transform, Date Transform, Addition, Segment, Segment, Username, Username, Veterinarian, Book Sale, Ship, Unique Product, Hobbies, Hobbies, Language Teacher
Skills
C# LINQ HTML/CSS HTML attributes Language JavaScript Arrays Closures SQL Aggregation Subqueries Memory management OOP Indexes Conditions HTML5 Semantic tags Stream Strings Serialization CSS selectors Exceptions Arithmetic Searching Bug fixing Insertion Positioning Styling Multithreading Joins DOM manipulation Data structures Event handling Constraints Database schema Delete Refactoring Sorting Update Views Animation Selectors Accessibility Algorithmic thinking Graphs Monkey patching Extension methods Tables Performance tuning TDD Recursion Random CSS layout Forms CSS basics HTML Test case design Dynamic programming Classes ECMAScript 2015 Union CSS advanced Iteration
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