0

Explore Products

Best Sellers

New Releases

Books

Videos

Audiobooks

Free Learning

Professional JavaScript

You're reading from Professional JavaScript Fast-track your web development career using the powerful features of advanced JavaScript

Product type Paperback

Published in Sep 2019

Publisher

ISBN-13 9781838820213

Length 664 pages

Edition 1st Edition

Languages

JavaScript

Tools

Cheerio

Concepts

Web Programming

Authors (4):

Hugo Di Francesco

Siyuan Gao

Vinicius Isola

Philip Kirkbride

View More author details

Table of Contents (12) Chapters

Preface

About the Book

1. JavaScript, HTML, and the DOM

2. Node.js and npm FREE CHAPTER

3. Node.js APIs and Web Scraping

4. RESTful APIs with Node.js

5. Modular JavaScript

6. Code Quality

7. Advanced JavaScript

8. Asynchronous Programming

9. Event-Driven Programming and Built-In Modules

10. Functional Programming with JavaScript

Appendix

9. Event-Driven Programming and Built-In Modules

Learning Objectives

By the end of this chapter, you will be able to:

Use event modules in Node.js
Create an event emitter to enhance the functionality of existing code
Build custom event emitters
Use built-in modules and utilities
Implement a timer module to get an API to schedule timer functions

In this chapter, we will use event emitters and built-in modules to avoid creating projects with deeply coupled dependencies.

The rest of the chapter is locked

Register for a free Packt account to unlock a world of extra content!

A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.

Unlock this book and the full library FREE for 7 days

Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of

Start free trial

Renews at €18.99/month. Cancel anytime

Authors (4)

Hugo Di Francesco

Hugo Di Francesco

Hugo Di Francesco is a software engineer who has worked extensively with JavaScript. He holds a MEng degree in mathematical computation from University College London (UCL). He has used JavaScript across the stack to create scalable and performant platforms at companies such as Canon and Elsevier and in industries such as print on demand and mindfulness. He is currently tackling problems in the travel industry at Eurostar with Node.js, TypeScript, React, and Kubernetes while running the eponymous Code with Hugo website. Outside of work, he is an international fencer, in the pursuit of which he trains and competes across the globe.

See other products by Hugo Di Francesco

Philip Kirkbride

Philip Kirkbride

Philip Kirkbride has over 5 years of experience with JavaScript and is based in Montreal. He graduated from a technical college in 2011 and since then he has been working with web technologies in various roles.

See other products by Philip Kirkbride

Vinicius Isola

Vinicius Isola

Vinicius Isola started programming back in 1999 using Macromedia Flash and ActionScript. In 2005, he took the Java Certification and specialized in building web and enterprise applications. Always working on all parts of the stack, JavaScript and web technologies have always been present in his many job roles and the companies he has worked for. In his free time, he likes to work on open-source projects and mentor new developers.

See other products by Vinicius Isola

Siyuan Gao

Siyuan Gao

Siyuan Gao is a software engineer at Electronic Arts. He has a bachelor's degree in computer science from Purdue University. He has worked with JavaScript and Node.js for over 4 years, mainly building efficient backend solutions for high-availability systems. He is also a contributor to the Node.js Core project and has had many npm modules published. In his spare time, he enjoys learning about video game design and machine learning.

See other products by Siyuan Gao

Other recommended products

Related to this chapter

Advanced JavaScript

Advanced JavaScript

Advanced JavaScript is a hands-on book that takes you through JavaScript and its many features, one step at a time. You'll begin by learning how to write JavaScript in a professional environment using the new JavaScript syntax in ES6. You'll discover how you can leverage the asynchronous nature of JavaScript using callbacks and promises, and then go on to understand how to set up test suites and test your code. Author Zachary Shute will introduce you to the functional programming style of JavaScript. You'll learn about creating APIs using Node.js and Express and create frontend with React or Redux and mobile apps using Reactor Expo. With this book, you'll gain knowledge of building applications in various JavaScript frameworks and libraries.

Jan 2019 11h 0m

Advanced JavaScript

Advanced JavaScript

Advanced JavaScript is a hands-on book that takes you through JavaScript and its many features, one step at a time. You'll begin by learning how to write JavaScript in a professional environment using the new JavaScript syntax in ES6. You'll discover how you can leverage the asynchronous nature of JavaScript using callbacks and promises, and then go on to understand how to set up test suites and test your code. Author Zachary Shute will introduce you to the functional programming style of JavaScript. You'll learn about creating APIs using Node.js and Express and create frontend with React or Redux and mobile apps using Reactor Expo. With this book, you'll gain knowledge of building applications in various JavaScript frameworks and libraries.

Jan 2019 11h 0m

Advanced JavaScript

Advanced JavaScript

Advanced JavaScript is a hands-on book that takes you through JavaScript and its many features, one step at a time. You'll begin by learning how to write JavaScript in a professional environment using the new JavaScript syntax in ES6. You'll discover how you can leverage the asynchronous nature of JavaScript using callbacks and promises, and then go on to understand how to set up test suites and test your code. Author Zachary Shute will introduce you to the functional programming style of JavaScript. You'll learn about creating APIs using Node.js and Express and create frontend with React or Redux and mobile apps using Reactor Expo. With this book, you'll gain knowledge of building applications in various JavaScript frameworks and libraries.

Jan 2019 11h 0m

Advanced JavaScript

Advanced JavaScript

Advanced JavaScript is a hands-on book that takes you through JavaScript and its many features, one step at a time. You'll begin by learning how to write JavaScript in a professional environment using the new JavaScript syntax in ES6. You'll discover how you can leverage the asynchronous nature of JavaScript using callbacks and promises, and then go on to understand how to set up test suites and test your code. Author Zachary Shute will introduce you to the functional programming style of JavaScript. You'll learn about creating APIs using Node.js and Express and create frontend with React or Redux and mobile apps using Reactor Expo. With this book, you'll gain knowledge of building applications in various JavaScript frameworks and libraries.

Jan 2019 11h 0m

The fourth edition of Node Cookbook covers the latest features and libraries of Node.js 14. With this recipe-based guide, you'll learn how to handle files, build simple web applications, and build your own modules using Node.js. You'll also be able to diagnose problems in your apps, handle security concerns, and deploy your apps to the cloud.

Nov 2020 17h 4m

The fourth edition of Node Cookbook covers the latest features and libraries of Node.js 14. With this recipe-based guide, you'll learn how to handle files, build simple web applications, and build your own modules using Node.js. You'll also be able to diagnose problems in your apps, handle security concerns, and deploy your apps to the cloud.

Nov 2020 17h 4m

The fourth edition of Node Cookbook covers the latest features and libraries of Node.js 14. With this recipe-based guide, you'll learn how to handle files, build simple web applications, and build your own modules using Node.js. You'll also be able to diagnose problems in your apps, handle security concerns, and deploy your apps to the cloud.

Nov 2020 17h 4m

The fourth edition of Node Cookbook covers the latest features and libraries of Node.js 14. With this recipe-based guide, you'll learn how to handle files, build simple web applications, and build your own modules using Node.js. You'll also be able to diagnose problems in your apps, handle security concerns, and deploy your apps to the cloud.

Nov 2020 17h 4m

The fourth edition of Node Cookbook covers the latest features and libraries of Node.js 14. With this recipe-based guide, you'll learn how to handle files, build simple web applications, and build your own modules using Node.js. You'll also be able to diagnose problems in your apps, handle security concerns, and deploy your apps to the cloud.

Nov 2020 17h 4m

The fourth edition of Node Cookbook covers the latest features and libraries of Node.js 14. With this recipe-based guide, you'll learn how to handle files, build simple web applications, and build your own modules using Node.js. You'll also be able to diagnose problems in your apps, handle security concerns, and deploy your apps to the cloud.

Nov 2020 17h 4m

The fourth edition of Node Cookbook covers the latest features and libraries of Node.js 14. With this recipe-based guide, you'll learn how to handle files, build simple web applications, and build your own modules using Node.js. You'll also be able to diagnose problems in your apps, handle security concerns, and deploy your apps to the cloud.

Nov 2020 17h 4m

The fourth edition of Node Cookbook covers the latest features and libraries of Node.js 14. With this recipe-based guide, you'll learn how to handle files, build simple web applications, and build your own modules using Node.js. You'll also be able to diagnose problems in your apps, handle security concerns, and deploy your apps to the cloud.

Nov 2020 17h 4m

Personalised recommendations for you

Based on your interests and search pattern

Modern Full-Stack React Projects

Modern Full-Stack React Projects

Full-Stack React Projects is a complete guide to learning full-stack web development, understanding the creation and integration of backend systems, and advancing your career as a frontend developer.

Jun 2024 16h 52m

Modern Full-Stack React Projects

Modern Full-Stack React Projects

Full-Stack React Projects is a complete guide to learning full-stack web development, understanding the creation and integration of backend systems, and advancing your career as a frontend developer.

Jun 2024 16h 52m

Modern Full-Stack React Projects

Modern Full-Stack React Projects

Full-Stack React Projects is a complete guide to learning full-stack web development, understanding the creation and integration of backend systems, and advancing your career as a frontend developer.

Jun 2024 16h 52m

Modern Full-Stack React Projects

Modern Full-Stack React Projects

Full-Stack React Projects is a complete guide to learning full-stack web development, understanding the creation and integration of backend systems, and advancing your career as a frontend developer.

Jun 2024 16h 52m

Modern Full-Stack React Projects

Modern Full-Stack React Projects

Full-Stack React Projects is a complete guide to learning full-stack web development, understanding the creation and integration of backend systems, and advancing your career as a frontend developer.

Jun 2024 16h 52m

Modern Full-Stack React Projects

Modern Full-Stack React Projects

Full-Stack React Projects is a complete guide to learning full-stack web development, understanding the creation and integration of backend systems, and advancing your career as a frontend developer.

Jun 2024 16h 52m

Modern Full-Stack React Projects

Modern Full-Stack React Projects

Full-Stack React Projects is a complete guide to learning full-stack web development, understanding the creation and integration of backend systems, and advancing your career as a frontend developer.

Jun 2024 16h 52m

Modern Full-Stack React Projects

Modern Full-Stack React Projects

Full-Stack React Projects is a complete guide to learning full-stack web development, understanding the creation and integration of backend systems, and advancing your career as a frontend developer.

Jun 2024 16h 52m

Mastering Node.js Web Development

Mastering Node.js Web Development

Explore Node.js with practical examples that will teach you how to utilize open-source packages for real-world solutions. Gain the skills to develop and deploy server-side applications that enhance your client-side projects.

Jun 2024 25h 56m

Mastering Node.js Web Development

Mastering Node.js Web Development

Explore Node.js with practical examples that will teach you how to utilize open-source packages for real-world solutions. Gain the skills to develop and deploy server-side applications that enhance your client-side projects.

Jun 2024 25h 56m

Mastering Node.js Web Development

Mastering Node.js Web Development

Explore Node.js with practical examples that will teach you how to utilize open-source packages for real-world solutions. Gain the skills to develop and deploy server-side applications that enhance your client-side projects.

Jun 2024 25h 56m

Mastering Node.js Web Development

Mastering Node.js Web Development

Explore Node.js with practical examples that will teach you how to utilize open-source packages for real-world solutions. Gain the skills to develop and deploy server-side applications that enhance your client-side projects.

Jun 2024 25h 56m