If you are looking for a programming language to develop flexible and efficient applications, JavaScript is an obvious choice. Advanced JavaScript is a hands-on guide that takes you through JavaScript and its many features, one step at a time. You'll begin by learning how to use the new JavaScript syntax in ES6, and then work through the many other features that modern JavaScript has to offer. As you progress through the chapters, you'll use asynchronous programming with callbacks and promises, handle browser events, and perform Document Object Model (DOM) manipulation. You'll also explore various methods of testing JavaScript projects. In the concluding chapters, you'll discover functional programming and learn to use it to build your apps. With this book as your guide, you'll also be able to develop APIs using Node.js and Express, create front-ends using React/Redux, and build mobile apps using React/Expo.

By the end of Advanced JavaScript, you will have explored the features and benefits of JavaScript to build small applications.

What you will learn

Examine major features in ES6 and implement those features to build applications

Create promise and callback handlers to work with asynchronous processes

Develop asynchronous flows using Promise chaining and async/await syntax

Manipulate the DOM with JavaScript

Handle JavaScript browser events

Explore Test Driven Development and build code tests with JavaScript code testing frameworks.

List the benefits and drawbacks of functional programming compared to other styles

Construct applications with the Node.js backend framework and the React frontend framework

Who this book is for

This book is designed to target anyone who wants to write JavaScript in a professional environment. We expect the audience to have used JavaScript in some capacity and be familiar with the basic syntax. This book would be good for a tech enthusiast wondering when to use generators or how to use Promises and Callbacks effectively, or a novice developer who wants to deepen their knowledge on JavaScript and understand TDD.

Table of Contents

Introducing ECMAScript 6

Asynchronous JavaScript

DOM Manipulation and Event Handling

Testing JavaScript

Functional Programming

The JavaScript Ecosystem

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