Mastering JavaScript High Performance - Interactive book

Build, deploy and optimize faster web applications.

Master the art of building, deploying, and optimizing faster web applications with JavaScript

  • Test and optimize JavaScript code efficiently
  • Build faster and more proficient JavaScript programs for web browsers and hybrid mobile apps
  • Step-by-step tutorial stuffed with real-world examples


What You Will Learn

  • Test existing JavaScript code using JSLint and understand how to better optimize JavaScript code
  • Create your own build system for JavaScript projects using Node.js and GulpJS
  • Get to know best performance-focused practices when writing JavaScript code
  • Use the DOM more efficiently by optimizing JavaScript with CSS3 animations
  • Learn how to unit test JavaScript code using Jasmine


Studying JavaScript performance in depth will make you capable of tackling the complex and important tasks required to solve performance issues. In this book, you'll learn when and why to use an IDE over a common text editor. Packed with examples, you'll also learn how to create a build system to test and deploy your JavaScript project by optimizing the code. Next, you will move on to learn about DOM optimization, JavaScript promises, and web workers to better break up your large codebase. You will also learn about JavaScript performance on mobile platforms such as iOS and Android and how to deploy your JavaScript project to a device. Finally, by the end of the book, you'll be able to pinpoint JavaScript performance problems using appropriate tools, provide optimization techniques, and provide tools to develop fast applications with JavaScript.

Author Chad R. Adams

Chad R. Adams is a mobile frontend architect, currently working at Intouch Solutions, where he looks at creative ways of building HTML5-driven content and native iOS, Android / Windows Runtime applications. He lives in Raymore, Missouri, with his wife, Heather, and son, Leo.

In the past, Chad worked as a web developer for large websites, such as MSN.com, Ford.ca, Xbox.com, WindowsPhone.com, and Copia.com. He also speaks at developer conferences and groups in the Kansas City area on HTML5 and mobile development and is the author of Learning Python Data Visualization, Packt Publishing.


Your Instructor


Packt Publishing
Packt Publishing

Over the past ten years Packt Publishing has developed an extensive catalogue of over 3000 books, e-books and video courses aimed at keeping IT professionals ahead of the technology curve. From new takes on established technologies through to the latest guides on emerging platforms, topics and trends – Packt's focus has always been on giving our customers the working knowledge they need to get the job done. Our courses continue this tradition, bringing you comprehensive yet concise screencast tutorials straight from the experts.


Course Curriculum


  The Need for Speed
Available in days
days after you enroll
  Increasing Code Performance with JSLint
Available in days
days after you enroll
  Understanding JavaScript Build Systems
Available in days
days after you enroll
  Detecting Performance
Available in days
days after you enroll
  Operators, Loops, and Timers
Available in days
days after you enroll
  Constructors, Prototypes, and Arrays
Available in days
days after you enroll
  Hands off the DOM
Available in days
days after you enroll
  Web Workers and Promises
Available in days
days after you enroll
  Optimizing JavaScript for iOS Hybrid Apps
Available in days
days after you enroll
  Application Performance Testing
Available in days
days after you enroll

Frequently Asked Questions


When does the course start and finish?
The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.
How long do I have access to the course?
How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.
What if I am unhappy with the course?
We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

Get started now!