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Mastering JavaScript Functional Programming

Mastering JavaScript Functional Programming

By : Federico Kereki
4.6 (7)
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Mastering JavaScript Functional Programming

Mastering JavaScript Functional Programming

4.6 (7)
By: Federico Kereki

Overview of this book

Functional programming is a programming paradigm for developing software using functions. Learning to use functional programming is a good way to write more concise code, with greater concurrency and performance. The JavaScript language is particularly suited to functional programming. This book provides comprehensive coverage of the major topics in functional programming with JavaScript to produce shorter, clearer, and testable programs. You’ll delve into functional programming; including writing and testing pure functions, reducing side-effects, and other features to make your applications functional in nature. Specifically, we’ll explore techniques to simplify coding, apply recursion for loopless coding, learn ways to achieve immutability, implement design patterns, and work with data types. By the end of this book, you’ll have developed the JavaScript skills you need to program functional applications with confidence.
Table of Contents (15 chapters)
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8
Connecting Functions - Pipelining and Composition
13
Bibliography
14
Answers to Questions

Recursion techniques


While recursion is a very good technique, it may face some problems due to details in the actual implementations. Each function call, recursive or not, requires an entry in the internal JS stack. When you are working with recursion, each recursive call itself counts as another call and you might find some situations in which your code will crash and throw an error, due to having run out of memory, just because of multiple calls. On the other hand, with most current JS engines, you can probably have several thousand pending recursive calls without a problem (but with earlier browsers and smaller machines, the number could drop into the hundreds and could imaginably go even lower), so it could be argued that at present, you are not likely to suffer from any particular memory problems.

In any case, let's review the problem and go over some possible solutions because, even if you don't get to actually apply them, they represent valid FP ideas for which you may find place...

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