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D3.js Test

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 an 80% reduction in screening time after using this D3.js skills test to qualify candidates.

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D3.js Online Skill Assessment Test

The D3.js Online test has been designed and developed to help employers and recruiters evaluate the D3.js skills of a D3.js Expert before an interview. D3.js, also called (D3 or Data-Driven Documents ), is a JavaScript library used to produce dynamic data visualizations in browsers. It is mainly used to manipulate documents based on data. It uses standards like SVG, HTML5, and CSS for the implementation. The D3.js skills test checks an applicant’s knowledge of visualizing components and driving the data.

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

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How it works

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.

The 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.

Useful for hiring
  • D3 JS Developer
  • D3.JS Expert
  • Data Visualization Expert
Test Duration
No. of Questions
Level of Expertise
Topics Covered

D3.js Objects

iMocha’s D3.js online skill assessment test helps recruiters and hiring managers to evaluate a candidate’s understanding of D3.js objects in the JavaScript library, which are used for data visualization.

Data Visualization Method

Our D3.js assessment test checks a candidate’s knowledge of Data visualization with D3.js, which shows a graphical representation of information and data.

D3.js Scale Functions

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

Arrays in D3.js

This D3.js skills test evaluates the candidate’s understanding of Arrays in D3.js, which holds a value with the same data type.


Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.
Question type
Multiple Option
Topics covered
Web Development


Q 1. 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.
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Test Report
You can customize this test by

Setting the difficulty level of the test

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

Combining multiple skills into one test

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

Adding your own
questions to the test

Add, edit, or bulk upload your coding, MCQ, and whiteboard questions.

Requesting a tailor-made test

Receive a tailored assessment created by our subject matter experts to ensure adequate screening.