JavaScript

JavaScript online coding tests & interview questions

JavaScript
SENIOR
Tested skills
Duration
57 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of ES6, JavaScript, HTML, CSS, Accessibility

Programming task - Level: Hard

JavaScript | Functional memoization - Write the two versions of generic memoization mechanism.

Angular
JUNIOR
Tested skills
Duration
44 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Angular2+, JavaScript

Code gaps

assessing knowledge of Angular2+, JavaScript

Programming task - Level: Easy

JavaScript | Angular 2+ | Currency Calculator - Finish an application that should convert the amount of money in selected currency to USD.

Redux
JUNIOR
Tested skills
Duration
35 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of JavaScript, Redux

Programming task - Level: Easy

JavaScript | Redux | HR Department - reducers - Implement correctly the redux reducers and selectors.

JavaScript
SENIOR
Tested skills
Duration
46 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of ES6, JavaScript

Programming task - Level: Hard

JavaScript | Functional memoization - Write the two versions of generic memoization mechanism.

TypeScript
SENIOR
Tested skills
Duration
105 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Typescript

Programming task - Level: Hard

TypeScript | Social Media Queries | Find friends by name - Implement the funtion FriendsQueries#queryByNameMatching per the requirements and make all tests pass.

React
SENIOR
Tested skills
Duration
175 minutes max.
Evaluation
Automatic
Test overview

Front End programming task - Level: Senior

JavaScript | React, Redux | Address Book - Implement missing features of a small React web application built on top of Redux.

Back end programming task - Level: Medium

JavaScript | Node.js | Address Book - Implement endpoints to fetch the list of contacts (with a phase matching and results limiting), fetch details of a single contact and to delete the given contact.

React Native
SENIOR
Tested skills
Duration
108 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of ES6, JavaScript

Programming task - Level: Hard

React Native | Movie Store - Implement an application which allows users to buy all the movies they can imagine.