Explore the functional programming paradigm and the different techniques for developing better algorithms writing more concise code and performing seamless testingKey FeaturesExplore this second edition updated to cover features like async functions and transducers as well as functional reactive programmingEnhance your functional programming (FP) skills to build web and server apps using JavaScriptUse FP to enhance the modularity reusability and performance of appsBook DescriptionFunctional programming is a paradigm for developing software with better performance. It helps you write concise and testable code. To help you take your programming skills to the next level this comprehensive book will assist you in harnessing the capabilities of functional programming with JavaScript and writing highly maintainable and testable web and server apps using functional JavaScript.This second edition is updated and improved to cover features such as transducers lenses prisms and various other concepts to help you write efficient programs. By focusing on functional programming you’ll not only start to write but also to test pure functions and reduce side effects. The book also specifically allows you to discover techniques for simplifying code and applying recursion for loopless coding. Gradually you’ll understand how to achieve immutability implement design patterns and work with data types for your application before going on to learn functional reactive programming to handle complex events in your app. Finally the book will take you through the design patterns that are relevant to functional programming.By the end of this book you’ll have developed your JavaScript skills and have gained knowledge of the essential functional programming techniques to program effectively.What you will learnSimplify JavaScript coding using function composition pipelining chaining and transducingUse declarative coding as opposed to imperative coding to write clean JavaScript codeCreate more reliable code with closures and immutable dataApply practical solutions to complex programming problems using recursionImprove your functional code using data types type checking and immutabilityUnderstand advanced functional programming concepts such as lenses and prisms for data accessWho this book is forThis book is for JavaScript developers who want to enhance their programming skills and build efficient web applications. Frontend and backend developers who use various JavaScript frameworks and libraries like React Angular or Node.js will also find the book helpful. Working knowledge of ES2019 is required to grasp the concepts covered in the book easily. About the Author Federico Kereki is a Uruguayan systems engineer with a master's degree in education and over 30 years' experience as a consultant system developer university professor and writer. He is currently a subject matter expert at Globant and he has taught CS courses at Universidad de la República Universidad ORT Uruguay and Universidad de la Empresa. He has written for the Linux Journal and the LinuxPro Magazine in the USA Linux+ and Mundo Linux in Europe and websites such as Linux [dot] com and IBM DeveloperWorks. He has also written booklets on computer security and two books―Essential GWT and Mastering JavaScript Functional Programming.
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