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D3.js 4.x Data Visualization

You're reading from   D3.js 4.x Data Visualization Learn to visualize your data with JavaScript

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781787120358
Length 308 pages
Edition 3rd Edition
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Authors (2):
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Aendrew Rininsland Aendrew Rininsland
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Aendrew Rininsland
Swizec Teller Swizec Teller
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Swizec Teller
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Table of Contents (11) Chapters Close

Preface 1. Getting Started with D3, ES2017, and Node.js FREE CHAPTER 2. A Primer on DOM, SVG, and CSS 3. Shape Primitives of D3 4. Making Data Useful 5. Defining the User Experience - Animation and Interaction 6. Hierarchical Layouts of D3 7. The Other Layouts 8. D3 on the Server with Canvas, Koa 2, and Node.js 9. Having Confidence in Your Visualizations 10. Designing Good Data Visualizations

Thinking about data functionally


I've mentioned previously that D3 is very functionally designed, meaning that it uses some of the idioms JavaScript has adopted from functional programming. Although we can still approach D3 development in a very classical, object-oriented fashion, our lives will be much easier if we start thinking about our code and data with a functional mindset.

The good news is that JavaScript almost counts as a functional language; there are enough features to get the benefits of a functional style, and it also provides enough freedom to do things imperatively or in an object-oriented way. The bad news is that, unlike real functional languages, the environment gives no guarantee about our code.

Note

Later on, in Chapter 9, Having Confidence in Your Visualizations, we'll look at TypeScript, which allows compilation of JavaScript using static types, and Tern.JS , which analyzes code in order to improve tooling. These efforts go a great deal toward improving confidence in...

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