D3.JS Online Skill Assessment Test

Candidates Assessed


Organizations Served


iMocha’s D3.JS online test is the preferred pre-employment test for recruiters and hiring managers to hire job-fit candidates for roles such as D3 JS Developer, D3.JS Expert, and Data Visualization Expert. Our customers have reported up to 80% reduction in screening time after using this D3 JS skills test to qualify candidates

About D3.JS Online Skill Assessment Test

D3.JS Online test has been designed and developed to help employers and recruiters evaluate the D3.JS skills of D3 JS Expert before an interview. D3.JS which is also called as (D3 or Data-Driven Documents ) is a JavaScript Library which is used for producing the dynamic data visualizations in browsers. It is mainly used to manipulate the documents based on data. It uses standards like SVG, HTML5, and CSS for the implementation. D3 JS skills test is designed to check mainly the knowledge of an applicant on how to visualize components and drive the data.

Online D3 JS quiz test is designed by our subject matter experts to evaluate knowledge of D3 Developers before hiring. D3 JS developer test enables employers and recruiters to identify & hire D3 Experts or Data Visualization Expert by evaluating working skills and job readiness. For this reason, the emphasis is laid upon evaluating the knowledge of applied skills gained through real work experience, rather than theoretical knowledge.

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Test Summary

Using powerful reporting, you can have a detailed analysis of the test results to help you make a better hiring decision and predict the candidate’s performance.

D3.JS assessment test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, AI-LogicBox (Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.  

Test Duration: 20 minutes

No. of Questions: 10

Level of Expertise: Entry/Mid/Senior

Useful for hiring

  • D3 JS Developer
  • D3.JS Expert
  • Data Visualization Expert

Topics Covered

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D3.JS Objects

iMocha’s D3.JS online skill assessment test helps recruiters and hiring managers to evaluate candidate’s understanding about D3.JS objects in JavaScript library used for data visualization 

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D3.JS scale functions

This D3 JS developer test helps in evaluation of candidate’s knowledge about scale functions in D3.JS which simply take an input such as number, date or category and return a value such as a coordinate, a color, a length or a radius 

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Data Visualization Method

Our D3.JS assessment test checks candidates' knowledge about Data visualization with D3.js which shows graphical representation of information and data 

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Arrays in D3.JS

This D3.JS skills test evaluates candidate’s understanding about Arrays in D3.JS which holds a value with same data type 

Sample Questions

Choose from our 100,000+ question library or add your own questions to make powerful custom tests

Question types:

Multiple Option





Q 1. What does D3.js mean?
it is a JavaScript framework to display D3 models.
it is a JavaScript library for changing native objects to D3 objects.
it is Node.js to parse a server's data to objects with D3 features.
it is a JavaScript library for creating and manipulating documents based on data.

Question types:

Multiple Option





Q 2. In which of the following cases, D3.js is helpful?
viewing huge data reports of account detail, e-commerce budgeting, population
using D3 models on backgrounds of gaming applications
analyzing and representing a server data
None of the mentioned

Question types:

Multiple Option





Q 3. Which of the following terms is correct about SVG?
it is a JSON object to show properties in math figures.
it is a markup language for determining two-dimensional vector graphics.
it is a JavaScript fabric method to show a charts, tables.
it is a Scalable Vector Graphics in JSON and is crucial for graphics.

Sample Report

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Skill wise performance report by iMocha

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You can customize this test by

difficulty level
Setting difficulty level of test      

Choose easy, medium or hard questions from our skill libraries to assess candidates of different experience levels.                       

multiple skills
Combining multiple skills into one test

Add multiple skills in a single test to create an effective assessment. Assess multiple skills together.                                              

adding own skill
Adding your own questions to the test

Add, edit or bulk upload your own coding questions, MCQ, whiteboarding questions & more.                       

tailor made test
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Get a tailored assessment created with the help of our subject matter experts to ensure effective screening.

Trusted By

George Nichkov, Gett
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“When hiring Business Analysts, I had to assess the applicants on their logical reasoning & aptitude. However, assessing a large pool of candidates & acquiring unbiased results without any human hustle is difficult without an automated solution. With iMocha, I was able to filter more than 500 candidates within a short span of time.”

George Nichkov, Gett

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