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Functional JavaScript: Introducing Functional Programming with Underscore.Js

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Functional JavaScript: Introducing Functional Programming with Underscore.Js Cover

ISBN13: 9781449360726
ISBN10: 1449360726
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Synopses & Reviews

Publisher Comments:

How can you overcome JavaScript language oddities and unsafe features? With this book, youll learn how to create code thats beautiful, safe, and simple to understand and test by using JavaScripts functional programming support. Author Michael Fogus shows you how to apply functional-style concepts with Underscore.js, a JavaScript library that facilitates functional programming techniques. Sample code is available on GitHub at https://github.com/funjs/book-source.

Fogus helps you think in a functional way to help you minimize complexity in the programs you build. If youre a JavaScript programmer hoping to learn functional programming techniques, or a functional programmer looking to learn JavaScript, this book is the ideal introduction.

  • Use applicative programming techniques with first-class functions
  • Understand how and why you might leverage variable scoping and closures
  • Delve into higher-order functions—and learn how they take other functions as arguments for maximum advantage
  • Explore ways to compose new functions from existing functions
  • Get around JavaScripts limitations for using recursive functions
  • Reduce, hide, or eliminate the footprint of state change in your programs
  • Practice flow-based programming with chains and functional pipelines
  • Discover how to code without using classes

Synopsis:

While some web developers dismiss JavaScript as a flawed language, this succinct book shows you how to make the best of it by practicing a functional style of JavaScript programming.

Written by Michael Fogus—a core contributor to Clojure and ClojureScript, and author of The Joy of Clojure (Manning)—this book is packed with not only the how of functional programming, but also the why. Each topic illustrated with pointed examples. Youll also get a thorough reference to the Underscore.js library and its idioms, including:

  • Closures
  • Applicative programming
  • Laziness
  • Immutability
  • Higher-order functions
  • Purity
  • Combinators
  • Currying and partial application

About the Author

Michael Fogus is software developer with experience in distributed simulation, machine vision, and expert systems construction. He's actively involved in the Clojure and Scala communities.

Table of Contents

Foreword by Jeremy AshkenasForeword by Steve VinoskiPrefaceChapter 1: Introducing Functional JavaScriptChapter 2: First-Class Functions and Applicative ProgrammingChapter 3: Variable Scope and ClosuresChapter 4: Higher-Order FunctionsChapter 5: Function-Building FunctionsChapter 6: RecursionChapter 7: Purity, Immutability, and Policies for ChangeChapter 8: Flow-Based ProgrammingChapter 9: Programming Without ClassFunctional JavaScript in the WildAnnotated BibliographyColophon

What Our Readers Are Saying

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Average customer rating based on 1 comment:

clinton, August 15, 2013 (view all comments by clinton)
The really surprising thing about Functional JavaScript by Michael Fogus is that it appears to target several audiences at once and seems to do it well. If you are a JavaScript aficionado and you want to understand functional programming, it works as an introduction. If you do a lot of functional programming and want to learn how to program in JavaScript without losing it, it works for that, too.

Functional JS took me longer to read than I expected, given its slim size. Although it is not very long, it is incredibly dense. I found myself not only re-reading the same page two or three times to get it, but also going back and re-reading previous sections in order to understand the current section. There are a lot of back-references in the book, which is good -- it really builds on itself from chapter to chapter -- but it means it's not a light read.

One thing I liked a lot about this book is that I didn't agree with everything. There were some code examples that I thought, "I'd do that differently," and even one idea I disagreed strongly with. Not agreeing meant there were some challenging ideas and that I was learning something, which is good.

I'm going to be thinking about this book for a while. Until the last chapter, I thought to myself, "This book is fun, but I'm not sure I would write JavaScript this way," but the book concludes with some solid arguments for using the functional style more with JavaScript.
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Product Details

ISBN:
9781449360726
Subtitle:
Introducing Functional Programming with Underscore.js
Author:
Fogus, Michael
Publisher:
O'Reilly Media
Subject:
Programming Languages - CGI, Javascript, Perl, VBScript
Subject:
Computer Languages-CGI
Subject:
closures;front end engineering;functional programming;javascript;software development;underscore.js
Copyright:
Edition Description:
Trade Paper
Publication Date:
20130617
Binding:
Paperback
Language:
English
Pages:
260
Dimensions:
9.19 x 7 in

Related Subjects

Computers and Internet » Computer Languages » Javascript
Computers and Internet » Internet » JavaScript
Computers and Internet » Internet » Web » Web Programming

Functional JavaScript: Introducing Functional Programming with Underscore.Js Used Trade Paper
0 stars - 0 reviews
$29.99 In Stock
Product details 260 pages O'Reilly Media - English 9781449360726 Reviews:
"Synopsis" by ,

While some web developers dismiss JavaScript as a flawed language, this succinct book shows you how to make the best of it by practicing a functional style of JavaScript programming.

Written by Michael Fogus—a core contributor to Clojure and ClojureScript, and author of The Joy of Clojure (Manning)—this book is packed with not only the how of functional programming, but also the why. Each topic illustrated with pointed examples. Youll also get a thorough reference to the Underscore.js library and its idioms, including:

  • Closures
  • Applicative programming
  • Laziness
  • Immutability
  • Higher-order functions
  • Purity
  • Combinators
  • Currying and partial application

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