Reactive Programming with JavaScript

Reactive Programming with JavaScript

Language: English

Pages: 230

ISBN: 1783558555

Format: PDF / Kindle (mobi) / ePub


Learn the hot new front-end web framework from Facebook: ReactJS, an easy way of developing the V in MVC and a better approach to software engineering in JavaScript

About This Book

  • Learn to develop webapps for Facebook's front-end development using ReactJS
  • Use functional reactive programming with ReactJS
  • Easyto understand, comprehensive with in-depth coverage of practical examples

Who This Book Is For

If you are proficient with JavaScript and want to know about functional programming, reactive programming, functional reactive programming, and the Facebook approach to functional reactive programming then this book is for you.

This book is also for web/front-end developers who would like webapps to be developed faster and more easily using the ReactJS framework.

Basic knowledge of JavaScript is expected.

What You Will Learn

  • Learn functional reactive programming with JavaScript for non-mathematicians
  • Experience Facebook's primary front-end framework, ReactJS
  • Using the tools Facebook uses to build a better site in less time
  • Create and implement Node.js
  • Delve into the development of webapps using ReactJS
  • Implementation of FRP ReactJS with live examples

In Detail

Reactive programming is carried out using the building blocks of functional programming. JavaScript libraries such as ReactJS are used for front-end web development that is both competent and powerful. ReactJS is intensively being used to develop webapps for Facebook.

This title is among the first of those addressing how everyday programmers can take advantage of (functional) reactive programming without having an extremely heavy mathematical background. It starts with the basics a front-end developer can easily connect with, while also covering the basics of functional programming. Then it goes on to explain non-functional reactive programming with the help of a live example. After that it gives a theoretical overview of reactive programming supported by functional programming. Tools to make functional reactive programming easier like Bacon.js, a library like jQuery, are also covered. Finally, it finishes with building one small and one larger front-end project.

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new begin with a capital letter. If a function name begins with a capital letter, it is intended to be used with the new keyword, and strange things may happen if it is invoked without the new keyword. In JavaScript, the interests served by classical object-oriented programming in some other languages are sometimes best advanced by functional programming. Loops Loops include the for loop, the for in loop, the while-do loop, and the do-while loop. The for loop works as in C: var numbers = [1,

not shared, nor should it be shared (in other words, it is a nonshared mutable state): getDefaultProps: function() { return null; }, getInitialState: function() { return board; }, We next define the key down and key press event handlers as they would normally be used, as or at least as they would normally be handled if DIVs responded to key events. (We will in fact be monitoring the body, because key-related events, unlike a hover or mouse click, does not propagate to a containing DIV. This

possible and making minimal use of input and output monads is something that appears doable on a monkey see, monkey do basis, which is much less taxing than having to trace a monad's conceptual genealogy. And this falls into the category of using functional programming as you can, not as you think you must. The Wikipedia article on functional reactive programming links to nine major works in the field, and if you want to wrestle with a good mathematical challenge, all of them are worth a good

JavaScript may become the most important compilation target, eclipsing even x86_64 machine code. Or it may not, but JavaScript's desirability and capabilities mean that the phenomenon of writing in languages compiled to JavaScript—meaning most other languages—might only grow in the foreseeable future. Summary This chapter may be an early attempt at the kind of endeavor where early attempts often do not succeed. There are seminal documents easily available on the web, but they assume you can not

use cases makes for two separate, non-cookie-cutter ways of choosing a month. The more exclusive could be gotten from the more inclusive with an array.slice(1) function, but we are again going for Rincewind-style, boring code: var month_occurrences = [[0, 'January'], [1, 'February'], [2, 'March'], [3, 'April'], [4, 'May'], [5, 'June'], [6, 'July'], [7, 'August'], [8, 'September'], [9, 'October'], [10, 'November'], [11, 'December']]; var month_occurrences_with_all = [[-1, 'Every Month'], [0,

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