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Mastering JavaScript Functional Programming

You're reading from   Mastering JavaScript Functional Programming Write clean, robust, and maintainable web and server code using functional JavaScript

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Product type Paperback
Published in Jan 2020
Publisher Packt
ISBN-13 9781839213069
Length 470 pages
Edition 2nd Edition
Languages
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Author (1):
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Federico Kereki Federico Kereki
Author Profile Icon Federico Kereki
Federico Kereki
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Toc

Table of Contents (17) Chapters Close

Preface 1. Technical Requirements
2. Becoming Functional - Several Questions FREE CHAPTER 3. Thinking Functionally - A First Example 4. Starting Out with Functions - A Core Concept 5. Behaving Properly - Pure Functions 6. Programming Declaratively - A Better Style 7. Producing Functions - Higher-Order Functions 8. Transforming Functions - Currying and Partial Application 9. Connecting Functions - Pipelining and Composition 10. Designing Functions - Recursion 11. Ensuring Purity - Immutability 12. Implementing Design Patterns - The Functional Way 13. Building Better Containers - Functional Data Types 14. Bibliography
15. Answers to Questions 16. Other Books You May Enjoy

Final thoughts

Let's finish this chapter with two more philosophical considerations regarding currying and partial application, which may cause a bit of a discussion:

  • First, many libraries are just wrong as to the order of their parameters, making them harder to use.
  • Second, I don't usually even use the higher-order functions in this chapter, going for simpler JavaScript code!

That's probably not what you were expecting at this time, so let's go over those two points in more detail, so you'll see it's not a matter of do as I say, not as I do... or as the libraries do!

Parameter order

There's a problem that's common to not only functions such as Underscore's or LoDash's _...

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