Skill Tests Library

Tests to Measure and Assess All Javascript Skills

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JavaScript Functions Skills Test

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JavaScript Data Types and Expressions Skills Test

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Firebase & AngularFire Skills Test

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Popper.js Skills Assessment Test

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Java Senior Developer Test

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JavaScript Test

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AngularJS Online Test

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Hibernate Test

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D3.js Test

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Node.js Online Test

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A blue swirl with the word jQuery

JQuery Test

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Knockout JS Test

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TypeScript Online Test

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Want to build a high-performing team of JavaScript developers?

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Use our JavaScript skill test to screen and hire job-fit candidates for roles such as:

Angular Developer UI Developer – Knockout JS MongoDB Expert
Web Developer MongoDB Developer Angular JS Testing Expert – Karma
Angular JS Front-End Developer Spring Batch Developer Web Designer
Senior/ Junior JavaScript Developer UnderScore JS Developer GWT Designer
Full Stack Developer (0 to 5 yrs. of experience) Dojo Developer Node JS Engineer
Backbone JS Developer GWT Developer Front End Engineer
Ember JS Developer Vue JS Developer Automation Testing Engineer - Jasmine
Express JS Developer D3 JS Developer/ Expert Karma QA Engineer
Jr./ Sr. Front-End JavaScript Developer Data Visualization Expert JavaScript Programmer
JQuery Developer Maven Expert React JS Developer
JSON Developer EXTJS Developer Ember JS Developer
UI Developer Knockout JS Developer React Native Developer
Node JS Developer Marionette JS Developer null

Our JavaScript skills assessment questions measure the following JavaScript skills:

  • JavaScript Skills: Functions, Modules & Classes, Data types and Expressions, DOM (Document Object Model), Event loops, Classes, and Member Functions, String Interpolation, Inheritance, and more.
  • Angular Skills: Angular JS - Controllers, Services, Expressions, Interpolation, Angular 2 Directives, Angular 2 Events, Angular 2 Components, Angular 4 - Angular Animation, Angular Universal, Data Binding, Routes, Angular 5, Angular 6, and more.
  • React JS Skills: Mounting Method, Render Function, Component Optimize, Handling Events, React JS Workflows like Flux, Redux, Data Structure Libraries, and more.
  • React Native Skills: JavaScript XML JSX, Styling, Interactivity, React Native App Registry, Components and Props, and more.
  • JQuery Skills: JQuery Library, Modules and Classes in JavaScript, Data Types and Expressions in JavaScript, and more.
  • D3 JS Skills: D3 JS Objects, D3 JS Scale Functions, Data Visualization Method, Arrays in D3 JS, and more.
  • JSON Skills: JSON Array, JavaScript Objects, XML Code Snippets, and more.
  • Node JS Skills: JavaScript Engine, Packages, Directories, Sessions, and more.
  • Ant Skills: Ant Operation Tags, Running Ant by Command Line, Ant Properties, Working with Targets in Ant, Folder and File Handling in Ant, and more.
  • Backbone Skills: Backbone JS Segments, Backbone JS Functions, TODO Model, Backbone JS Scripts, and more.
  • Dojo Skills: Dojo Module, Arrays, Query, Widgets, and more.
  • Ember JS Skills: Ember JS Configuration, Creating Applications with Ember JS, Developing Actions with Ember JS, and more.
  • Express JS Skills: Server and Ports Template Engines, Express JS Basics, Building APIs and Routing, Rendering Template, and more.
  • EXT JS Skills: EXTJS Grid, Grid Feature, Ext Viewport, DOM Elements, and more.
  • Grunt Skills: Task Configuration, Custom Filter Function, Creating Tasks, Grunt CLI, Task Dependency, and more.
  • Gulp Skills: Sourcing Files, Compatibility, Pipelining, and more.
  • GWT Skills: Overlay Types, Delayed Logic, History Mechanism, Module Descriptor, and more.
  • Jasmine Testing Skills: Filters, Jasmine Spy, Functional Testing, File Loading, and more.
  • Karma Testing Skills: Working with Configuration Files, Installing Frameworks using NPM, Excluding Files from Tests in Karma, and more.
  • Knockout Skills: Data Binding Syntax, creating a View Model, View Models with Parameters, and more.
  • Marionette JS Skills: Collection View, Applications, Events, Functions, and more.
  • Apache Maven Skills: Default Archetype, Dependencies, Directory Base Structure, Archetypes, and more.
  • Data Analysis Skills: Data Layers, Statistical Layers, Initializers, and more.
  • MongoDB Skill: Query Sample, MongoDB Facts, Denormalized Data Models, and more.
  • NPM Skills: Folder Structures, JSON, Database, Database Objects, and more.
  • Underscore JS Skills: Map, SortBy Function, Functions, Grouping List, and more.
  • Vue JS Skills: Vue.js Directives, Lifecycle, Components, Event Modifiers, and more.

Two important use cases for JavaScript skills test:

#1 Identifying job-fit candidates based on job roles

iMocha allows you to create customized JavaScript proficiency tests for any given job role. Using this capability, you can choose questions from various skill types, including functional, technical, and soft skills. For example, with our customized JavaScript developers' skills test, you can evaluate candidates' knowledge of React JS, Jasmine Testing, Analytical Thinking, Data Analysis, and more to hire the best individuals for the job.

#2 Skill-gap analysis of your employees

Using this feature, you can measure employees' skill competency through JavaScript training assessments. It determines the current skill level and identifies the areas for growth. It also measures the knowledge and impact of the training and traces individual employees' gained knowledge. For example, you can use our JavaScript training assessments to identify a consultant's knowledge about Express JS, NPM, Communication, JavaScript, and other skills and perform a skill gap analysis.

Test Creation Process

We offer various types of JavaScript technical tests to help you evaluate candidates' specific skills. These questions are designed by Subject Matter Experts (SMEs) based on their knowledge and expertise. For example, only JavaScript specialists will develop questions about GWT, JQuery, or Karma Testing based on easy, medium, and hard difficulty levels.

You can - choose which questions to include in the JavaScript skills assessment or ask us to create personalized assessments according to your requirements.

Loved by our

As a cybersecurity training solution, a critical piece of our learning philosophy is the ability to measure a learner’s understanding of a given subject.  iMocha has been a great partner in this regard for both out-of-the-box and custom-made quizzes and assessments. 

The ability to create content that directly aligns with our video-based courses has made a tremendous difference in the value we have been able to offer to our clients. iMocha’s ready-made assessments have also helped us deliver more robust insight into IT and cybersecurity readiness for our learners. 

We’ve been very grateful for iMocha’s intentional customer support. This is a good company to partner with for your training goals.

Regina Sheridan

Director of Content

Identifying the right candidate remotely took a lot of our time, considering how each seemed to have different levels of skills and expertise.

iMocha helped us to transform our remote hiring strategy and cut down on our candidate filtration time by 40% making it our preferred assessment software.

Pedro Furtado

Capacity Manager,

Hiring Data Scientists was a challenge as the interview process took time. With iMocha's data science assessments, the process was simplified.

The tool helped us shortlist top candidates and extend offer letter in just 4 days.

Lynn Hodak

Talent Acquisition Manager, Capgemini

We have always believed in hiring talent on merit rather than resumes. When we started our global recruitment, we were clear on including assessments to evaluate skills and shortlist candidates.

iMocha has helped us immensely over the past 3 years to not only assess candidates but also optimize our recruitment process.

Senthil Nayagam K

Sr. VP, Hexaware

How is the JavaScript skills assessment customized?
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Our SMEs can design individualized JavaScript technical tests based on your job role requirements. These assessments are divided into primary and secondary skills, such as a Single view of Node JS, Mango DB, Knockout, Problem Solving, EXT JS, Data Analysis, and more. Additionally, SMEs can create customized questions according to applicants' experience and difficulty level.

What are the certifications required for this role?
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Some popular Certifications for JavaScript-related job roles are as follows:

• Full Stack JavaScript Developer Certification

• w3schools JavaScript Certification

• Certified JavaScript Certification

• Deep JavaScript v3 Foundations Certification

• CIW JavaScript Specialist Certification

What are the most common interview questions for this role?
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Some of the common JavaScript interview questions asked for this role are:

  • Define a named function in JavaScript
  • Define anonymous function
  • Define closure.
  • What is the difference between JavaScript and JScript?
  • What is BOM?
  • What are the different data types present in JavaScript?
  • Is JavaScript a statically typed or a dynamically typed language?
  • Is it possible to break JavaScript Code into several lines?

Want more questions? Please read our latest blog on JavaScript interview questions that can help spot great JavaScript Developers.

What are the roles and responsibilities of JavaScript Developers?
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JavaScript Developers are required to perform the following tasks and responsibilities:

• Evaluate and analyze debug web applications using Node.js, JavaScript, and CSS

• Manage automated test scripts

• Create modern and responsive layouts based on designs

• Perform bug fixes for codes

• Develop data strategy in collaboration with the team

• Build sustainable codes

• Monitor code, requirements, system risks, and software reliability.

• Proficiency in browser rendering behavior and performance.

• Perform code analysis, requirements analysis, and identification of code metrics

• Should have the ability to work in an Agile environment

What are the required skill sets of a JavaScript Developer?
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You can consider these technical as well as non-technical skills while hiring JavaScript Developers:

Technical Skills:

• Angular

• React JS


• Grunt

• Gulp

• Vue JS

• Data Analysis


• Node JS

• Backbone

• JQuery

• Knockout

• Dojo

• Underscore JS

Non-Technical Skills:

• Analytical Thinking

• Time Management Skills

• Problem-solving skills

• Attention to Details

• Communication skills

• Adaptability

• Decision Making

• Collaboration

• Creativity

Boost Your Hiring Success: The Ultimate Guide to Assessing JavaScript Skills with Do's and Don'ts

What is the package of JavaScript Developer?
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The average salary of JavaScript developers in the US is $108,807 per year. JavaScript developers' salaries start at $76,403 per year.

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