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JavaScript & jQuery VS Understanding ES6

Compare JavaScript & jQuery VS Understanding ES6 and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

JavaScript & jQuery logo JavaScript & jQuery

A beautiful and simple instructional book.

Understanding ES6 logo Understanding ES6

Get started with the new Javascript
  • JavaScript & jQuery Landing page
    Landing page //
    2022-07-26
  • Understanding ES6 Landing page
    Landing page //
    2026-06-30

JavaScript & jQuery features and specs

No features have been listed yet.

Understanding ES6 features and specs

  • Free to read online
    The entire book is available to read for free on Leanpub's website, making it highly accessible to anyone who wants to learn ES6 without any financial commitment.
  • Comprehensive ES6 coverage
    The book provides thorough coverage of all major ES6 features including destructuring, promises, proxies, symbols, iterators, generators, classes, and modules, making it a solid one-stop reference for the specification.
  • Written by a respected authority
    Authored by Nicholas C. Zakas, a well-known and highly respected JavaScript developer and author of several influential JavaScript books, lending credibility and quality to the content.
  • Clear explanations with practical examples
    The book excels at breaking down complex ES6 concepts into understandable explanations accompanied by practical code examples that illustrate how and why each feature should be used.
  • Well-organized structure
    Each chapter focuses on a specific category of ES6 features, making it easy to use both as a sequential learning resource and as a reference guide to look up specific topics as needed.

Possible disadvantages of Understanding ES6

  • Dated content
    Published around 2016, the book does not cover any features introduced after ES6 (ES2015), such as async/await (ES2017), optional chaining, nullish coalescing, and other modern JavaScript additions, making it increasingly incomplete as a modern JS resource.
  • Assumes prior JavaScript knowledge
    The book is targeted at developers who already have a solid understanding of ES5 JavaScript, which means beginners to JavaScript may struggle to follow along without first learning the fundamentals elsewhere.
  • Limited real-world application examples
    While the book explains individual features well, it sometimes lacks larger, real-world project examples that show how multiple ES6 features work together in practical application development scenarios.
  • No coverage of tooling and ecosystem
    The book focuses purely on the language specification and does not discuss the tooling ecosystem around ES6, such as Babel transpilation, webpack bundling, or how to set up a modern development environment to use these features.
  • Text-heavy learning format
    As a traditional book format, it lacks interactive exercises, quizzes, or hands-on coding challenges that many modern learning platforms offer, which can make it harder for some learners to retain and apply the concepts.

Analysis of Understanding ES6

Overall verdict

  • Understanding ES6 by Nicholas C. Zakas is a highly regarded, thorough resource that clearly explains the features introduced in ECMAScript 2015 and beyond, making it a solid choice for developers wanting to modernize their JavaScript skills.

Why this product is good

  • Written by Nicholas C. Zakas, a respected authority in the JavaScript community
  • Provides clear, in-depth explanations of ES6 features rather than shallow overviews
  • Includes practical code examples that illustrate real-world usage
  • Covers important topics like let/const, arrow functions, classes, modules, promises, and destructuring
  • Well-organized structure that builds concepts progressively
  • Available free to read online, lowering the barrier to entry

Recommended for

  • Developers with a solid grasp of ES5 who want to learn modern JavaScript
  • Intermediate programmers looking to deepen their understanding of ES6 features
  • Front-end and Node.js developers transitioning to modern syntax and patterns
  • Self-learners who prefer a structured, book-based approach
  • Teams standardizing on ES6+ who need a reliable reference

Category Popularity

0-100% (relative to JavaScript & jQuery and Understanding ES6)

JavaScript & jQuery

Understanding ES6

Tech
40 40%
Tech
60% 60
Education
34 34%
Education
66% 66
Developer Tools
29 29%
Developer Tools
71% 71
CSS Tools
100 100%
CSS Tools
0% 0

User comments

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Social recommendations and mentions

Based on our record, JavaScript & jQuery seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

JavaScript & jQuery mentions (3)

  • Anyone know any good resources for jQuery?
    That said, Jon Duckett has a book which offers a very good introduction to its usage. https://javascriptbook.com/. Source: about 4 years ago
  • Is this a good place to start or should I just focus on JS?
    Javascriptbook.com - you can preview the book here. You can also download all the code examples Jon uses in his JS book. People who say the book is outdated and such - the book is awesome because it does a great job of teaching JS. The code files include comments for almost every line of JS. People with no programming background will understand the purpose and reasoning behind every line. Source: almost 5 years ago
  • Good Front-End Book For Back-End Developers
    John Duckett's books are an excellent place to start. Http://javascriptbook.com/ He also has an HTML & CSS Book. (both available on Amazon). Source: almost 5 years ago

Understanding ES6 mentions (0)

We have not tracked any mentions of Understanding ES6 yet. Tracking of Understanding ES6 recommendations started around Jun 2026.

What are some alternatives?

When comparing JavaScript & jQuery and Understanding ES6, you can also consider the following products

Eloquent JavaScript - Free ebook for the JS Beginners

JavaScript.com - A free resource for learning and developing in JavaScript

HTML and CSS: Interactive Projects - Embrace the digital frontier with this comprehensive guide.

Exploring ES6 - Upgrade to the next version of JavaScript

You Don't Know JS (book series) - This is a series of books diving deep into the core mechaniโ€ฆ

50 Tips on JavaScript - The book is an ilustrated guide to 50 of the most interesting JavaScript topics.

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