Download PDF by Michael Fogus: Functional JavaScript: Introducing Functional Programming

By Michael Fogus

How are you going to triumph over JavaScript language oddities and hazardous positive factors? With this e-book, you'll find out how to create code that's appealing, secure, and straightforward to appreciate and try through the use of JavaScript's practical programming aid. writer Michael Fogus indicates you ways to use functional-style strategies with Underscore.js, a JavaScript library that allows sensible programming innovations. pattern code is offered on GitHub at https://github.com/funjs/book-source.

Fogus is helping you think that in a useful method to assist you reduce complexity within the courses you construct. If you're a JavaScript programmer hoping to benefit useful programming thoughts, or a useful programmer seeking to examine JavaScript, this ebook is the best introduction.
Use applicative programming ideas with firstclass functions
Understand how and why you may leverage variable scoping and closures
Delve into higher-order functions—and find out how they take different features as arguments for optimum advantage
Explore how you can compose new services from present functions
Get round JavaScript's obstacles for utilizing recursive functions
Reduce, disguise, or get rid of the footprint of kingdom swap on your programs
Practice flow-based programming with chains and useful pipelines
Discover the right way to code with out utilizing periods

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Extra info for Functional JavaScript: Introducing Functional Programming with Underscore.js

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30 CHAPTER 3 Using the PowerShell help system ■ ■ ■ ■ ■ ■ We know that the –Class parameter is mandatory, because its name and data type aren’t both contained in square brackets. We know that the –Property parameter is entirely optional for this command. That’s because the entire parameter, both its name and data type, is contained in square brackets: [[-Property]]. We know that the –Amended parameter doesn’t accept a value—it’s a switch. This means you either provide the parameter or not, but if you do, it doesn’t need a value.

We’ll dive a bit deeper into some of these topics than a tutorial normally might do, so even if you’re already familiar with these foundational concepts, it’s worth a quick read-through of these chapters. Introduction This chapter covers ■ What the book will and won’t teach ■ The boundaries of this book ■ Going beyond PowerShell As of this writing, Windows PowerShell is on to its seventh year of existence and in its fourth major release, with a fifth version in preview. In that time, it’s changed the way people look at administering many Microsoft, and even some non-Microsoft, products.

The help system will sometimes do this implicitly. For example, run help iscsi and, because “iscsi” doesn’t match the name of a command or help file, the shell will implicitly run help *iscsi* for you. Stick with singular words rather than plurals: “Service” rather than “Services,” for example. Go with partial words: “*serv*” will generate more hits than “*service*” will. WARNING The help system isn’t searching for available commands; it’s searching for available help files. Because Microsoft ships help files for all of its commands, it amounts to much the same thing.

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