D3.JS Online Test

Q: What are the main Data Visualization tests?

We offer several tests in the Data Visualization category: Tableau Test Power BI Test

The D3.js online test uses scenario-based multiple-choice questions to evaluate a candidate's knowledge and skills related to D3.js fundamentals, data binding and manipulation, scales and axes, SVG and Canvas graphics, event handling, transitions and animations, and integrating D3.js with other web technologies. Candidates are also evaluated on their ability to write efficient and reusable code, design and implement complex visualizations, and troubleshoot and debug common issues.

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Screen candidates with a 40 mins test

Test duration: ~ 40 mins

Difficulty level: Moderate

Availability: Available as custom test

Questions:

7 D3.js MCQs
5 JavaScript MCQs
5 HTML/CSS MCQs

Covered skills:

Data Manipulation and Binding

Selecting and Modifying Elements

Creating Visualizations

Scaling and Axes

Interactive Visualization

Transitions

Handling Events

Layouts and Hierarchies

Mapping and Projections

Customization and Styling

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Adaface skill assessments measure on-the-job skills of candidates, providing employers with an accurate tool for screening potential hires.

Use the D3.JS Test to shortlist qualified candidates

The D3.JS Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

Ability to manipulate and bind data for effective visualization
Capability to select and modify elements in a D3 visualization
Proficiency in creating visualizations using D3.js library
Understanding of scaling and axes for accurate visual representation
Skill in creating interactive visualizations with user-friendly features
Knowledge of using transitions to enhance visual effects in D3.js
Adeptness in handling events for dynamic and responsive visualizations
Familiarity with layouts and hierarchies for organizing visual elements
Understanding of mapping and projections for geographic visualizations
Ability to customize and style visualizations to align with requirements

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Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this D3.JS Test will be non-googleable.

🧐 Question
Medium Async Await Promises Promises Async-Await	Solve
What will the following code output? A: 24 after 5 seconds and after another 5 seconds, another 24 B: 24 followed by another 24 immediately C: 24 immediately and another 24 after 5 seconds D: After 5 seconds, 24 and 24 E: Undefined F: NaN G: None of these
Medium Bitcoin prices Axios Promises	Solve
Review the following JavaScript code and pick the correct options: Assume that the API returns a successful 200 response code and a JSON object as the response body. What would the value of ‘a’ be after the code is executed?
Medium My Module Scope	Solve
What will the output of the following JavaScript code be?
Medium Promise Resolve Promises Async-Await	Solve
What does the following code output?
Easy Throw, Try, Async Promises Async-Await	Solve
What does the following JS code output?
Easy Background Properties	Solve
Consider the following shorthand CSS example: background: #f7f7f7 url(jolie.jpg) no-repeat scroll 0px 0px; Which of the following show the individual background properties represented by the shorthand:
Easy Colorful sentences	Solve
Our intern is writing a colorful blog post, and has written the following code. What colors will the sentences be? A: Sentence 1 will be gray, Sentence 2 will be pink. B: Both sentences will be gray. C: Sentence 1 will be pink, Sentence 2 will be gray. D: Both sentences will be pink. E: The code does not make sense; will throw an error.
Easy Links	Solve
In the following HTML, what will be the color of link with class "mark"
Medium Let's Hack CSS Property	Solve
Consider the following HTML and CSS: Which additional CSS rule(s) will render the following image? Choose ALL that apply. A: div{ flex-direction : column; align-items : center; } B: div{ flex-direction : row; align-items: center; } C: div{ flex-direction: column; justify-content: center; } D: div{ flex-direction: row; justify-content: center; }

	🧐 Question	🔧 Skill
	Medium Async Await Promises Promises Async-Await	2 mins JavaScript	Solve
What will the following code output? A: 24 after 5 seconds and after another 5 seconds, another 24 B: 24 followed by another 24 immediately C: 24 immediately and another 24 after 5 seconds D: After 5 seconds, 24 and 24 E: Undefined F: NaN G: None of these
	Medium Bitcoin prices Axios Promises	2 mins JavaScript	Solve
Review the following JavaScript code and pick the correct options: Assume that the API returns a successful 200 response code and a JSON object as the response body. What would the value of ‘a’ be after the code is executed?
	Medium My Module Scope	2 mins JavaScript	Solve
What will the output of the following JavaScript code be?
	Medium Promise Resolve Promises Async-Await	2 mins JavaScript	Solve
What does the following code output?
	Easy Throw, Try, Async Promises Async-Await	2 mins JavaScript	Solve
What does the following JS code output?
	Easy Background Properties	2 mins HTML/CSS	Solve
Consider the following shorthand CSS example: background: #f7f7f7 url(jolie.jpg) no-repeat scroll 0px 0px; Which of the following show the individual background properties represented by the shorthand:
	Easy Colorful sentences	2 mins HTML/CSS	Solve
Our intern is writing a colorful blog post, and has written the following code. What colors will the sentences be? A: Sentence 1 will be gray, Sentence 2 will be pink. B: Both sentences will be gray. C: Sentence 1 will be pink, Sentence 2 will be gray. D: Both sentences will be pink. E: The code does not make sense; will throw an error.
	Easy Links	2 mins HTML/CSS	Solve
In the following HTML, what will be the color of link with class "mark"
	Medium Let's Hack CSS Property	3 mins HTML/CSS	Solve
Consider the following HTML and CSS: Which additional CSS rule(s) will render the following image? Choose ALL that apply. A: div{ flex-direction : column; align-items : center; } B: div{ flex-direction : row; align-items: center; } C: div{ flex-direction: column; justify-content: center; } D: div{ flex-direction: row; justify-content: center; }

	🧐 Question	🔧 Skill	💪 Difficulty	⌛ Time
	Async Await Promises Promises Async-Await	JavaScript	Medium	2 mins	Solve
What will the following code output? A: 24 after 5 seconds and after another 5 seconds, another 24 B: 24 followed by another 24 immediately C: 24 immediately and another 24 after 5 seconds D: After 5 seconds, 24 and 24 E: Undefined F: NaN G: None of these
	Bitcoin prices Axios Promises	JavaScript	Medium	2 mins	Solve
Review the following JavaScript code and pick the correct options: Assume that the API returns a successful 200 response code and a JSON object as the response body. What would the value of ‘a’ be after the code is executed?
	My Module Scope	JavaScript	Medium	2 mins	Solve
What will the output of the following JavaScript code be?
	Promise Resolve Promises Async-Await	JavaScript	Medium	2 mins	Solve
What does the following code output?
	Throw, Try, Async Promises Async-Await	JavaScript	Easy	2 mins	Solve
What does the following JS code output?
	Background Properties	HTML/CSS	Easy	2 mins	Solve
Consider the following shorthand CSS example: background: #f7f7f7 url(jolie.jpg) no-repeat scroll 0px 0px; Which of the following show the individual background properties represented by the shorthand:
	Colorful sentences	HTML/CSS	Easy	2 mins	Solve
Our intern is writing a colorful blog post, and has written the following code. What colors will the sentences be? A: Sentence 1 will be gray, Sentence 2 will be pink. B: Both sentences will be gray. C: Sentence 1 will be pink, Sentence 2 will be gray. D: Both sentences will be pink. E: The code does not make sense; will throw an error.
	Links	HTML/CSS	Easy	2 mins	Solve
In the following HTML, what will be the color of link with class "mark"
	Let's Hack CSS Property	HTML/CSS	Medium	3 mins	Solve
Consider the following HTML and CSS: Which additional CSS rule(s) will render the following image? Choose ALL that apply. A: div{ flex-direction : column; align-items : center; } B: div{ flex-direction : row; align-items: center; } C: div{ flex-direction: column; justify-content: center; } D: div{ flex-direction: row; justify-content: center; }

Test candidates on core D3.JS Hiring Test topics

Data Manipulation and Binding: This skill involves manipulating and binding data to elements on a web page using D3.js. It allows for efficient handling of data, enabling dynamic updates and seamless integration with visualizations.

Selecting and Modifying Elements: This skill focuses on selecting and modifying elements in the DOM using D3.js. It allows for precise targeting of specific elements and enables changes to their attributes, styles, and content.

Creating Visualizations: This skill encompasses the ability to create interactive and visually appealing data visualizations using D3.js. It involves understanding how to represent data in various forms such as charts, graphs, maps, and more.

Scaling and Axes: This skill involves scaling data values to fit within a visual representation and adding axes to provide reference points for interpreting the visualized information. It ensures that the visualizations accurately reflect the underlying data.

Interactive Visualization: This skill focuses on creating interactive data visualizations that allow users to explore and interact with the displayed information. It involves incorporating interactivity features such as tooltips, hover effects, and clickable elements.

Transitions: This skill involves creating smooth and animated transitions between different states of a visualization, such as when data is updated or filtered. It enhances the user experience by providing visual cues and conveying changes in a visually appealing manner.

Handling Events: This skill involves capturing and handling various user events, such as mouse clicks, keyboard inputs, and touch gestures, to trigger specific actions or updates in the visualization. It enables user-driven interactions and enhances the overall usability of the visualization.

Layouts and Hierarchies: This skill involves utilizing predefined layouts and hierarchies in D3.js to arrange and structure visual elements in a visualization. It helps in creating organized and aesthetically pleasing representations of complex data.

Mapping and Projections: This skill focuses on mapping data to geographical or spatial representations and utilizing projections to transform the data onto different coordinate systems. It enables the creation of interactive maps and spatial visualizations.

Customization and Styling: This skill involves customizing the appearance and style of visualizations using D3.js. It includes modifying colors, fonts, sizes, and other visual aspects to align with the desired design and aesthetics.

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Have questions about the D3.JS Hiring Test?

What roles can I use the D3.JS Test for?

Here are few roles for which we recommend this test:

D3.js Developer
D3.js Expert
JavaScript Developer

Can I combine D3.JS Test with Data Science questions?

Yes, recruiters can request a custom test combining D3.JS Test with Data Science questions. For more details, you can refer to our Data Science Assessment Test.

How to use D3.JS Test in my hiring process?

Use the D3.JS Test as a pre-screening tool. Add the link to the assessment in your job post or invite candidates by email. This replaces traditional resume screening, enabling you to find skilled candidates faster.

What are the main Data Visualization tests?

We offer several tests in the Data Visualization category:

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

Non-googleable questions
IP proctoring
Screen proctoring
Web proctoring
Webcam proctoring
Plagiarism detection
Secure browser
Copy paste protection

Read more about the proctoring features.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

What is D3.JS Test?

The D3.JS Test evaluates a candidate's proficiency in D3.js, JavaScript, and HTML/CSS. It is used by recruiters to assess skills in data visualization, interactivity, and data manipulation.

What skills are evaluated in the D3.JS Test?

Data Manipulation and Binding
Creating Visualizations
Handling Events
Scaling and Axes
Interactive Visualization
JavaScript programming
Working with different chart types
Understanding data visualization principles

Can I test JavaScript and NodeJS together in a test?

Yes, we recommend combining JavaScript and NodeJS skills in a test for a comprehensive assessment. Check out our JavaScript & NodeJS Test for more details.

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

What is the cost of using this test?

You can check out our pricing plans.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

D3.JS Online Test

Screen candidates with a 40 mins test

Use Adaface tests trusted by recruitment teams globally

Use the D3.JS Test to shortlist qualified candidates

Screen candidates with the highest quality questions

Test candidates on core D3.JS Hiring Test topics

Make informed decisions with actionable reports and benchmarks

Screen candidates in 3 easy steps

Pick a test from over 500+ tests

Invite your candidates with 2-clicks

Make informed hiring decisions

Try the most advanced candidate assessment platform

ChatGPT Protection

Non-googleable Questions

Web Proctoring

IP Proctoring

Webcam Proctoring

MCQ Questions

Coding Questions

Typing Questions

Personality Questions

Custom Questions

Ready-to-use Tests

Custom Tests

Custom Branding

Bulk Invites

Public Links

ATS Integrations

Multiple Question Sets

Custom API integrations

Role-based Access

Priority Support

GDPR Compliance

Pick a plan based on your hiring needs

See related tests

JavaScript Online Test

JQuery Test

HTML/CSS Online Test

Front End Developer Online Test

Microsoft Power BI Test

Tableau Test

Data Analysis Test

Have questions about the D3.JS Hiring Test?

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