D3.js interview questions or Data visualization Interview Questions and answers for freshers and experienced.
Below are the list of Top D3.js interview questions and answers for beginners.
1. Define D3.js?
2. What does D3 stand for?
3. Who developed D3.js?
4. Why use to D3.js?
- D3.js lets you to build the data visualization framework
- D3.js focuses on binding data to DOM elements.
- D3.js is written in JavaScript and uses a functional style which means you can reuse code and add specific functions to your heart’s content.
5. How D3.js identify on which elements to operate?
Example:
d3.selectAll("p").style("color", "white");6. Explain selections in D3.js ?
Also, Read Neo4j interview questions
7. Explain, what is the use of “Enter” and “Exit” selection in D3.js?
8. List Type of sliders are available in D3.js?
- Default slider
- Slider with start value
- Slider with slide event: 0
- Slider with default axis
- Slider with custom axis
- Slider with min, max and step values
- Vertical slider
9. Explain transition in D3.js?
To apply a transition, select elements, call selection.transition and then make the desired changes.
For example:
d3.select("body")
.transition()
.style("background-color", "red");
10. List the command to interpolate two objects in D3.js?
11. which is the correct way to use XML file for d3?
12. What is the best way to create the stacked chart in d3 js?
13. How to import XML data using d3.js?
14. Which is not a valid scale in d3 js?
15. What is different between d3.scale.linear() and d3.scaleLinear().
16. How to alter zoom modes in d3 js?
17. How to set initial zoom level in D3.js?
18. How to resize an SVG when the window is resized in d3.js?
19. How to get Mouse position in D3.js?
20. What is the difference between canvas and SVG in d3.js?
21. How to format the date in d3.js?
22. List types of loops available in D3.js with syntax?
23. Explain axes in D3.js?How to create d3.js axes without numbering?
24. Explain Transition is D3.js?
25. How to calculate the area of the polygon in d3.js?
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