Overview

DESCRIPTION A growing flood of data is aimed at JavaScript applications, and they need be ready for it. As more and more data is received, applications must scale to stay operational. There’s also the problem of latency when data has to be fetched from remote locations. RxJS, or Reactive Extensions for JavaScript, is a library for transforming, composing, and consuming streams of data. RxJS combines reactive and functional programming to give an extensible, asynchronous event handling system for JavaScript. RxJS in Action gives readers the development skills they need to create reactive applications with RxJS. This book is full of theory and practical examples that build on each other and help readers begin thinking in a reactive manner. The book begins by teaching the fundamentals of functional programming, and dives in to the basics of RxJS and what it means to be reactive. Next, it teaches how to build real-world applications with RxJS. The last part of the book tackles the advanced topics to take the reader’s reactive programming skills to the next level, as they will learn how to deal with error handling, unit testing, and the role of RxJS when combined with frameworks such as Angular.js or Cycle.js. Examples in the book use RxJS 5, the latest version of RxJS built with an eye on performance and simplicity. KEY FEATURES • Full of practical examples using real-world applications • Creating readable, easy-to-understand event processing pipelines • Introduces the fundamentals of functional and reactive programming • Transforms bulky, untestable code into modular, testable expressions • Uses the latest version of RxJS AUDIENCE This book is for readers who are comfortable writing and building applications in JavaScript. ABOUT THE TECHNOLOGY RxJS combines reactive and functional programming to give programmers an extensible, asynchronous event handling system for JavaScript. RxJS is ideal for applications with features that have continuous data flows that have to fetch and combine multiple pieces of remote data, auto-complete text boxes, drag and drop, process user input, and more.

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9781617293412

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AUTHOR BIO Paul P. Daniels is a professional Software Engineer with a B.S.E in Computer Science and over 5 years of experience in software engineering, developing applications in .Net, Java, and JavaScript. A regular user of RxJS, he is active as a member and a contributor in the RxJS community. Luis Atencio is a Staff Software Engineer for Citrix Systems. He has a B.S. and an M.S. in Computer Science and works full-time developing and architecting web applications using Java, PHP, and JavaScript platforms. Luis is also the author of Functional Programming in JavaScript.

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