Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Hands-On JavaScript High Performance

You're reading from   Hands-On JavaScript High Performance Build faster web apps using Node.js, Svelte.js, and WebAssembly

Arrow left icon
Product type Paperback
Published in Feb 2020
Publisher Packt
ISBN-13 9781838821098
Length 376 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Justin Scherer Justin Scherer
Author Profile Icon Justin Scherer
Justin Scherer
Arrow right icon
View More author details
Toc

Table of Contents (15) Chapters Close

Preface 1. Tools for High Performance on the Web 2. Immutability versus Mutability - The Balance between Safety and Speed FREE CHAPTER 3. Vanilla Land - Looking at the Modern Web 4. Practical Example - A Look at Svelte and Being Vanilla 5. Switching Contexts - No DOM, Different Vanilla 6. Message Passing - Learning about the Different Types 7. Streams - Understanding Streams and Non-Blocking I/O 8. Data Formats - Looking at Different Data Types Other Than JSON 9. Practical Example - Building a Static Server 10. Workers - Learning about Dedicated and Shared Workers 11. Service Workers - Caching and Making Things Faster 12. Building and Deploying a Full Web Application 13. WebAssembly - A Brief Look into Native Code on the Web 14. Other Books You May Enjoy

A dive into modern JavaScript

As stated in the introduction, the language has changed for the better in a lot of ways. We now have proper scoping, better handling for async operations, more collection types, and even metaprogramming features such as reflection and proxies. All of these features lead to a more involved language, but they also lead to more effective problem-solving. We will be looking at a few of the best items to come out of the new standards and what they can be used for in our code.

One thing to also note moving forward is that any JavaScript code that is shown can be run in the following ways:

  1. Adding it to the developer's console by hitting F12 on the keyboard
  2. Utilizing snippets in the developer's console that can be seen on the Sources tab, and in the left panel an option should be called Snippets
  3. Writing a base level index.html that has a script...
lock icon 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
Renews at $19.99/month. Cancel anytime