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Functional-Light JavaScript: Pragmatic, Balanced FP in JavaScript by [Kyle Simpson, Brian MacDonald, Brian Lonsdorf, Jasmine Kwityn]

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Functional-Light JavaScript: Pragmatic, Balanced FP in JavaScript Kindle Edition

4.5 out of 5 stars 39 ratings

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Length: 390 pages Enhanced Typesetting: Enabled Page Flip: Enabled

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Editorial Reviews

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"By focusing on principles instead of terminology, I now feel much more confident in my understanding of foundations of functional programming. I'm motivated and excited to dive even deeper!" --Hannes Lund, Software Developer


"I can say for sure that the FLJS book is mind-blowing! I almost lost my mind with the concepts it explains! This book gave me the right way of programming by understanding concepts more than focusing on Frameworks!" --Islam Attrash, JS Engineer


"Nobody explains JavaScript as well as Kyle Simpson. He is as thorough as he is humble, explaining complex ideas in simple language. Kyle makes learning JavaScript easy without skipping the details." --Dmitri Wolf, Front End Developer, IBM


"After reading this book, I finally found the reason why I should use functional programming. Although I'm experienced in using list operators, chapter 9 gave me a new point of view to use them better. I would recommend this book to my coworkers." --Tuyen Ho, Full-Stack Developer, Grande JSC

From the Back Cover

Functional-Light JavaScript is a balanced, pragmatic exploration of Functional Programming in JavaScript. 

Functional Programming (FP) is an incredibly powerful paradigm for structuring code that yields more robust, verifiable, and readable programs. If you've ever tried to learn FP but struggled with terms like "monad", mathematical concepts like category theory, or symbols like λ, you're not alone. 

Functional-Light programming distills the most vital aspects of FP--function purity, value immutability, composition, and more!--down to approachable JavaScript patterns. Rather than the all-or-nothing dogmatism often encountered in FP, this book teaches you how to improve your programs line by line.

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Reviewed in the United States on August 19, 2018
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Reviewed in the United States on August 27, 2019
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Reviewed in the United States on September 24, 2018
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Top international reviews

Mr G.
2.0 out of 5 stars OK at best. Kyle can do much better
Reviewed in the United Kingdom on September 10, 2018
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4.0 out of 5 stars A must read
Reviewed in the United Kingdom on December 29, 2018
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samuel
5.0 out of 5 stars Un magnifico libro para todos los niveles
Reviewed in Spain on May 8, 2018
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