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Three.js Online Test
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No. of questions:
Level of experience:
Entry Level/Mid/Senior

Three.js Online Test

A triangle made up of triangles and three.js written in black
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Three.js Online Test

Three.js is a cross-browser JavaScript library, and Application Programming Interface (API) used to create and display animated 3D computer graphics in a web browser. Three.js allows the creation of Graphical Processing Unit (GPU)-accelerated 3D animations using the JavaScript language as part of a website without relying on proprietary browser plugins.

Three.js online test helps tech recruiters & hiring managers assess a candidate's ability to create 3D computer graphics in a web browser using Three.js. Online Three.js test is designed by experienced subject matter experts (SMEs) to evaluate and hire Three.js developers as per industry standards.

Why use iMocha's Three.js online test?

You can reduce interview time by up to 85% with our Three.js online test. Online Three.js tests can be used to assess candidates on different skill-set. You can use an existing set or request us to make a custom-made skill-set depending on your job requirement.

Three.js assessment test helps to screen the candidates who possess traits as follows:

1. Ability to create interactive 3D graphics and 3D user interfaces

2. Familiarity with ThreeJS/3D rendering frameworks

3. Strong experience in JavaScript and front-end technologies

4. Good understanding of Web services, REST, HTTP, and JSON

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How it works

Test Summary

Candidates can take the three.js skills test from anywhere in the comfort of their time zone. The three.js assessment test is designed considering EEOC guidelines. It will help you to assess & hire diverse talent without any bias.

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

Useful for hiring
  • Three.js Developer
  • 3D Developer - Three.js
  • Web Developer
  • Front-End Developer
  • Three.js Animator
Test Duration
No. of Questions
Level of Expertise
Entry Level/Mid/Senior
Topics Covered

Multiple image rendering

Setting up light sources


Adding repeating texture


Collision Detection


Animation System


Updating objects in three.js

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
Updating objects in three.js


In three.js, you can change certain uniform values directly when sent to shader every frame. However, changing which of the following properties require you to build a new shader program?

1. Numbers and types of uniforms
2. Numbers and types of lights
3. Presence of fog
4. Presence of shadow map


  • 1 and 3
  • 2 and 3
  • 1, 3 and 4
  • 1, 2 and 4
  • 1, 2, 3 and 4
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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.