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Modern JavaScript Applications

Modern JavaScript Applications

By : Narayan Prusty
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Modern JavaScript Applications

Modern JavaScript Applications

5 (1)
By: Narayan Prusty

Overview of this book

Over the years, JavaScript has become vital to the development of a wide range of applications with different architectures. But JS moves lightning fast, and it’s easy to fall behind. Modern JavaScript Applications is designed to get you exploring the latest features of JavaScript and how they can be applied to develop high-quality applications with different architectures. Begin by creating a single page application that builds on the innovative MVC approach using AngularJS, then move forward to develop an enterprise-level application with the microservices architecture using Node to build web services. After that, shift your focus to network programming concepts as you build a real-time web application with websockets. Learn to build responsive, declarative UIs with React and Bootstrap, and see how the performance of web applications can be enhanced using Functional Reactive Programming (FRP). Along the way, explore how the power of JavaScript can be increased multi-fold with high performance techniques. By the end of the book, you’ll be a skilled JavaScript developer with a solid knowledge of the latest JavaScript techniques, tools, and architecture to build modern web apps.
Table of Contents (16 chapters)
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15
Index

Introduction to reactive programming


Before we get into FRP, we need to understand what it is. I will be explaining reactive programming with respect to JavaScript. The concept of reactive programming is the same in every programming language.

Reactive programming is writing code to look for asynchronous data updates, user activities, and system activities and propagate changes onto the dependent parts of the application. Reactive programming is not something new; believe it or not, you have already been doing reactive programming without realizing it. For example, the code you write to handle a button's click event is reactive code. There are various approaches to reactive programming, such as event-driven, callback, promise patterns and FRP.

Not every snippet of asynchronous code we write is reactive code. For example, uploading analytics data to a server asynchronously after a page load is not reactive code. But uploading a file to a server asynchronously and displaying a message to the...

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