HTML/CSS, JavaScript, Node.js, and SQL Online Test

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

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

This online test requires candidates to solve coding problems, as well as to find and fix bugs in multiple technologies, and to answer multiple-choice and fill in the blanks questions about Node.js.

Recommended Job Roles
Full-Stack Developer
JavaScript Developer
Node.js Developer
SQL Developer
Web Developer
Sample Candidate Report

Sample Free Questions

Config

3min
  -  
Easy  
  -  
MCA

Node.js NPM Public

Consider the following package.json for a Node.js application:

{
  "name": "skill-measure-app",
  "private": true,
  "version": "1.0.0",
  "main": "lib/main.js",
  "scripts": {
    "build": "npm run cleanup & npm run test & npm run publish",
    "cleanup": "rm -fr ./lib",
    "test": "jest",
    "publish": "npm publish lib"
  },
  "dependencies": {
     "jest": "^23.0.1",
     "custom-package": "file:../custom-package"
  }
}

Select all the correct statements.

(Select all acceptable answers.)

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

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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, Roads, Table of Names, Word Count, Cards, New Folder, Log Patch, Loading Bar, Ingredients, Array Search, Read Files, Fahrenheit Converter, Reorder, Shopping Cart, Weather Data, Segment, Hobbies, A Tag, Ad, Addition, Article Style, ATM Locations, Authors, Autocomplete, Baby Names, Ban Users, Bank Branches, Blog, Bookmark, Breakfast Menu, Cheapest Product, Christmas Tree, Cities, Confirm, Countries, Date Transform, Department Report, Developers, Editor, Employee Manager, Format Table, Height, Hide Button, 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, Logo, Paragraph, Post Comment, Product Rating, Products, Row Appender, Scale Font Size, Screen Reader, Share Button, Shirts, Snapshot, TestDome Logo, Timesheet, Upload, Username, Vectors, Warehouse, Widgets, Welfare Organization, Manager Sales, Delete Orders, Validation, Timer, Screen, Data Entry, Email Tables, Student Max Score, Average Salary, Movie Genres, Student Rankings, Auto Show, Ice Cream Flavors, Poll
Skills
JavaScript Arrays Closures HTML/CSS CSS selectors Styling Exceptions DOM manipulation Event handling Language SQL Conditions Views Strings Monkey patching HTML5 Subqueries Update Recursion Node.js Asynchronous programming Modules Events Arithmetic 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 Aggregation Fonts Dialog box Ordering Regex Insert Left join Bug fixing Objects Asynchronous calls Indexes Union Group by Joins Hyperlink IFrame Animation Serialization XML Content manipulation JSON Sorting Accessibility Forms CSS layout Tables SQL CASE CTE Delete Callback Classes ECMAScript 2015 Borders Inline styles Responsive design
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