By Anto Aravinth

ISBN-10: 1484226569

ISBN-13: 9781484226568

Learn useful programming strategies utilizing JavaScript ES6. you are going to study thoughts similar to currying, partial capabilities, higher-order capabilities, and monads.

Programming languages have advanced from concentrating on strategies to things and now on function. JavaScript supports useful programming and permits builders to put in writing well-crafted code.

What you'll Learn:   

  • Master useful programming concepts
  • Identify how capabilities are taken care of in JavaScript
  • Understand real-world useful libraries and create a practical library that mimics underscore.js
  • Perform pure-error dealing with suggestions akin to functors and monads
  • Discover ES6 practical beneficial properties akin to unfold operators and generators

Who This e-book Is For:

JavaScript builders (or newbies) who are looking to comprehend practical programming recommendations and the useful nature of the language.

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Read Online or Download Beginning Functional JavaScript. Functional Programming with JavaScript using EcmaScript 6 PDF

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Additional resources for Beginning Functional JavaScript. Functional Programming with JavaScript using EcmaScript 6

Sample text

We’ll take a simple example of a function that returns another function as shown below in Listing 3-4: Listing 3-4. Crazy Function Return String let crazy = () => { return String } ■■Note JavaScript has an in-built function called String. We can use this function to create new string values in JavaScript like this: String(“HOC”) => HOC Note that our crazy function returns a function reference that is pointing to String function. Let’s go and call our crazy function: crazy() => String() { [native code] } As you can see, calling the crazy function returns a String function.

Git Once checkout the code, please checkout branch chap05: ... git checkout -b chap05 origin/chap05 ... For running the codes, as before run: ... npm run playground ... Welcome to the chapter on Arrays and Objects. In this chapter we are going to continue our journey of exploring higher-order functions that are useful for arrays. Arrays are used literally in our JavaScript programming world. We use them to store data, manipulate data, find data, and convert (project) the data to another format.

Sort(sortBy("lastname")) returns: [ { firstname: 'ccFirstName', lastname: 'aalastName' }, { firstname: 'bbFirstName', lastname: 'bblastName' }, { firstname: 'aaFirstName', lastname: 'cclastName' } ] as before! Wow, that’s truly amazing! The sort function takes the compareFunction, which is returned by the sortBy function! That’s a lot of higher-order functions floating around! Again we have abstracted away the logic behind compareFunction leaving the user to focus on what he or she really needs.

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Beginning Functional JavaScript. Functional Programming with JavaScript using EcmaScript 6 by Anto Aravinth

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