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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

Getting started with FRP


FRP is simply reactive programming using functional programming style.

EventStreams and properties (don't get these confused with object properties) are the building blocks of FRP. Let's look at an overview of what both these terms mean.

EventStreams

An EventStream represents a stream of events. Events in an EventStream may happen at any time and need not occur synchronously.

Let's understand EventStreams by comparing them to events in an event-driven pattern. Just like we subscribe to events in an event-driven pattern, we subscribe to EventStreams in FRP. Unlike events in event-driven programming, the power of EventStreams is that they can be merged, concatenated, combined, zipped, filtered, or transformed in any number of ways before you handle and act on the events.

In functional programming, data is immutable, so merging, concatenating, combining, zipping, filtering, or transforming an EventStream creates a new EventStream instead of modifying the existing one.

Here...

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