D3.JS Assessment Test

The D3.js Assessment Test evaluates candidates' proficiency in using D3.js, a JavaScript library for creating dynamic and interactive data visualizations in web browsers. It assesses their skills in data binding, SVG manipulation, chart creation, and the overall utilization of D3.js for building compelling visualizations. This assessment identifies candidates who are capable of effectively employing D3.js to convey information through engaging and interactive data visualizations on the web.

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Test Duration

30, 45, 60, 90, 120 Mins (Customizable)

Question Type

Projects, Programming, MCQs and 10 others

Question Bank Size

Over 200K+ unique questions covering 2000+ skills.

Proctoring

AI based: video, web, audio (optional)

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- Paula Mcnab
Hiring Manager , Yellow

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About D3.JS Assessment Test

A D3.js Assessment Test evaluates candidates for their proficiency in D3.js, a JavaScript library used for creating dynamic and interactive data visualizations in web browsers. D3.js, short for Data-Driven Documents, is widely employed for crafting compelling charts, graphs, and other visual representations of data on the web. This assessment covers key skills and knowledge areas essential for working with D3.js, including:

  1. JavaScript Fundamentals: Assessing candidates' foundational knowledge of JavaScript, including variables, data types, operators, and basic syntax.
  2. DOM Manipulation: Proficiency in manipulating the Document Object Model (DOM) using D3.js to dynamically update and visualize data.
  3. Data Binding: Understanding and applying data binding techniques in D3.js to associate data with DOM elements and facilitate automatic updates.
  4. Selections and Transitions: Knowledge of D3.js selection methods and the use of transitions to create smooth and animated visual effects.
  5. SVG (Scalable Vector Graphics): Familiarity with SVG elements and attributes for creating scalable and resolution-independent graphics.
  6. Chart Types: Creating various types of charts, including bar charts, line charts, pie charts, scatter plots, and more using D3.js.
  7. Scales: Proficiency in using D3.js scales to map data values to visual representation, ensuring proper scaling for different chart types.
  8. Axes: Understanding and implementing axes in D3.js to provide reference lines and labels for charts.
  9. Data Loading: Loading data from different sources, such as JSON files or APIs, and integrating it into D3.js visualizations.
  10. Event Handling: Implementing event handling in D3.js for interactive features, such as tooltips, zooming, and panning.
  11. Data Transformation: Preprocessing and transforming data using D3.js methods to meet the requirements of specific visualizations.
  12. Responsive Design: Creating responsive and adaptable visualizations that adjust to different screen sizes and orientations.
  13. Custom Visual Elements: Building custom visual elements and incorporating external libraries or plugins to enhance D3.js visualizations.
  14. Integration with Other Technologies: Integrating D3.js visualizations with other web technologies and frameworks, such as React or Angular.
  15. Code Organization: Organizing D3.js code for readability, maintainability, and scalability.
  16. Performance Optimization: Identifying and implementing performance optimizations for large datasets and complex visualizations.
  17. Cross-Browser Compatibility: Ensuring cross-browser compatibility of D3.js visualizations for consistent user experiences.
  18. Testing: Writing and executing tests for D3.js code to ensure its correctness and robustness.
  19. Documentation: Creating clear and comprehensive documentation for D3.js visualizations, making it easier for others to understand and extend the code.
  20. Version Control: Familiarity with version control systems like Git for collaborative development and tracking changes in D3.js projects.

Our D3.js Assessment Test provides valuable insights into candidates' proficiency in leveraging D3.js to create effective and engaging data visualizations, enabling you to assess their suitability for roles requiring expertise in web-based data presentation and visualization.

This Test Can Be Used For:
Recruiting Top Talent
Learning and Development
Succession Planning
Diversity and Inclusion Initiatives

What Skills And Topics Will This Test Assess Candidates For?

Access Premium Questions

Gain access to a bank of premium questions specifically curated by experts, ensuring a comprehensive evaluation of candidates' skills. WeCP's premium questions are meticulously crafted and cannot be found or practiced online, maintaining the integrity of your evaluation process.

By utilizing WeCP's premium questions, you gain several advantages:

1. Stay ahead of the competition, securing the best talent for your organization.
2. Confidently raise the bar in your hiring process, ensuring a rigorous evaluation of candidates.
3. Leverage the most exclusive evaluation tools available in the market.

With WeCP’s premium questions, you're equipped to make confident, informed hiring decisions, setting a new standard in candidate assessment.

Features

Question Library

WeCP currently supports 2000+ skills, 12 different question types, 50+ programming languages & libraries, and over 200k+ questions across different technologies.
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Candidate Report

Unlock detailed insights on test performance, percentile ranking, productivity, and proctoring flags for informed decisions.
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Proctoring

Experience WeCP's comprehensive proctoring solution featuring Force Full-Screen, Email Watermarking, Video Proctoring with AI, Whole Screen Recording, and Multi-Screen Detection, ensuring fair assessments.

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How WeCP Works?

The Impact of WeCP

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“Successfully Automated”

We've not only streamlined the process but also enhanced the candidate experience.

Paula Macnab
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"Strongly Recommend"

I like WeCP and I recommend it to most of my colleagues

Justina B.
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“Loved this tool”

I liked Customisation inside the coding test and the code quality information the most.

Zairah Mae P.
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"Superefficient"

With WeCP, our technical hiring is now efficient, saving our managers from wasting time on.

Erich Raldmann
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"Supportive staff"

"So far it has been a really good journey the team is really supportive"

Harvey F.
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'Exceptional'

WeCP is a far exceptional product than many of those in the current market.

Ganesh Kuppuswamy
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"Superefficient"

With WeCP, our technical hiring is now efficient, saving our managers from wasting time on.

Erich Raldmann
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“Narrowed to best talent”

Amazing software for improving quality of hire. Helped us in a big way.

Kashi
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“Good and Flexible”

The full-stack project and coding labs are so helpful for assigning tasks to learners.

WenjingZ
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“Robust & User Friendly”

We were able to accurately determine where the candidate stands. Improved our over talent quality.

Amit Raj
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“Fantastic”

The assistance received from WeCP in terms of demo, training and support was absolutely incredible.

Anuradha A.
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“Loved this tool”

I liked Customisation inside the coding test and the code quality information the most.

Zairah Mae P.
sophie moore avatar image
"Supportive staff"

"So far it has been a really good journey the team is really supportive"

Harvey F.
jhon carter avatar image
'Exceptional'

WeCP is a far exceptional product than many of those in the current market.

Ganesh Kuppuswamy
sophie moore avatar image
"Super efficient"

With WeCP, our technical hiring is now efficient, saving our managers from wasting time on.

Erich Raldmann
jhon carter avatar image
“Narrowed to best talent”

Amazing software for improving quality of hire. Helped us in a big way.

Kashi
sophie moore avatar image
"Super efficient"

With WeCP, our technical hiring is now efficient, saving our managers from wasting time on.

Erich Raldmann
sophie moore avatar image
"Supportive staff"

"So far it has been a really good journey the team is really supportive"

Harvey F.
jhon carter avatar image
'Exceptional'

WeCP is a far exceptional product than many of those in the current market.

Ganesh Kuppuswamy
jhon carter avatar image
“Narrowedto best talent”

Amazing software for improving quality of hire. Helped us in a big way.

Kashi
sophie moore avatar image
“Successfully Automated”

We've not only streamlined the process but also enhanced the candidate experience.

Paula Macnab
sophie moore avatar image
"Strongly Recommend"

I like WeCP and I recommend it to most of my colleagues

Justina B.
sophie moore avatar image
“Loved this tool”

I liked Customisation inside the coding test and the code quality information the most.

Zairah Mae P.
sophie moore avatar image
"Superefficient"

With WeCP, our technical hiring is now efficient, saving our managers from wasting time on.

Erich Raldmann
sophie moore avatar image
"Supportive staff"

"So far it has been a really good journey the team is really supportive"

Harvey F.
jhon carter avatar image
'Exceptional'

WeCP is a far exceptional product than many of those in the current market.

Ganesh Kuppuswamy
sophie moore avatar image
"Superefficient"

With WeCP, our technical hiring is now efficient, saving our managers from wasting time on.

Erich Raldmann
jhon carter avatar image
“Narrowed to best talent”

Amazing software for improving quality of hire. Helped us in a big way.

Kashi
kathie corl avatar image
“Good and Flexible”

The full-stack project and coding labs are so helpful for assigning tasks to learners.

WenjingZ
sophie moore avatar image
“Robust & User Friendly”

We were able to accurately determine where the candidate stands. Improved our over talent quality.

Amit Raj
sophie moore avatar image
“Fantastic”

The assistance received from WeCP in terms of demo, training and support was absolutely incredible.

Anuradha A.
sophie moore avatar image
“Loved this tool”

I liked Customisation inside the coding test and the code quality information the most.

Zairah Mae P.

Frequently Asked Questions

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How does the pricing work?

Our pricing plans are based on volume and the features you choose. We tailor our plans to fit your hiring needs and importance. So please don’t hesitate to contact us for a custom quotation. Ultimately, it is not only about a candidate’s skills but also their attitude to work with the team leader to achieve better results.

How is WeCP different from other solutions?

Several Customers of WeCP say we are the best of all tools in the market from a quality questions perspective. Many others say we’re one of the best enterprise software for hiring accuracy (i.e., 100% of the techies screened by WeCP have been found super productive in their work).

In addition, enterprise brands like Infosys, Mindtree, and Adobe have previously mentioned that WeCP is one of the most robust tools for big hiring drives of up to 100,000 candidates writing their coding hackathons.

Do you provide 24x7 support?

Yes! All business plans include a dedicated account manager and 24×7 email/chat/phone support.

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