Learn Universal JavaScript App Development
Learn Universal JavaScript App Development
One App for Mobile, Web, & Servers with Node & React
About the Book
Node.js, Facebook's React, ES6, & universal JavaScript are taking over. This book will bring you up to speed on a new style of JavaScript application development with Node and React, a front-end component library in production use at Facebook, Instagram, Netflix, and the next generation of software startups.
Universal JavaScript
Universal (aka "isomorphic") means that it's designed to run a lot of the same code on both the client and the server. Typically that includes a lot of rendering and domain logic.
There are many advantages to building apps this way, but the primary advantages are:
- Cross-functional teams. Since everything is written in JavaScript, it's easier to build teams who know how to work on both the client and server sides of the app.
- Write once, run everywhere. With the exception of a few library substitutions and browser polyfills, the code is shared, which means you have to write about half the code you'd write working on a non-universal app.
- More productive developers. Since the app is more consistent across the stack, there's no context switching when you need to maintain application behavior on both sides of the stack. Write the behavior once, and you're done. Context switching slows developers down significantly.
Node
Node is a JavaScript platform that combines Google's V8 JavaScript engine with powerful asynchronous programming and first class networking features. It has recently exploded as the favored platform for building web service architecture, including microservices, web servers, and realtime networking layers. Learn what makes Node a clear choice on the server, as well npm and front-end application build tools.
React
React is a UI component framework built by Facebook and used in production by Instagram, Netflix, PayPal, AirBnB, Uber, and a whole lot more. Learn how React speeds up render performance using virtual DOM diffs and atomic updates, and how react manages events with automatic event delegation and synthetic events.
We'll also explore the flux architecture, immutable stores, and time-travel debugging, a feature that will make you wonder how you ever got by without it.
The Two Pillars of JavaScript
Software is eating the world, the web is eating software, and JavaScript rules the web. Learn why JavaScript's distinctive features make it well suited to its position as the most popular programming language in the world.
JavaScript popularized two paradigms in mainstream programming that I collectively call "The Two Pillars of JavaScript": Prototypal OO and Functional programming.
Prototpal OOJavaScript's prototypal OO comes in three varieties:
- Differential inheritance (delegate prototypes)
- Concatenative inheritance (exemplar prototypes)
- Functional inheritance (function prototypes)
ES5 brought functional Array extras to JavaScript. You've probably had a chance to use features like.map()
, .filter()
, and .reduce()
, but there's a bit more you should know about functional programming. Learn about the significance of immutability, function composition, functors, currying and more as we explore functional programming in JavaScript and its relationship to reactive programming with libraries like RxJS and React.
The two pillars are essential concepts to learn because they're widely used in industry leading apps from companies like Facebook, NetFlix, Instagram, PayPal, and Microsoft. Why not put them to work for you, too?
Modern App Architecture & Services
Stop rewriting the same boilerplate for every app and every new service you write. We'll explore the current state of the app ecosystem:
- Authentication
- Authorization
- Security & production hardening
- Internationalization & localization
- Logging
- Realtime APIs (sockets, server sent events, webhooks)
- Hypermedia APIs
- Feature toggles
A lot has changed since "Programming JavaScript Applications". This book will bring up up to date.
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