Understanding ES6 VS WPCodeBox

Compare Understanding ES6 VS WPCodeBox and see what are their differences

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WPCodeBox

Easiest way to organize and share WordPress code snippets

Landing page //
2026-06-30

Landing page //
2023-07-22

Understanding ES6

Website: leanpub.com
Pricing URL: -

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WPCodeBox

Website: wpcodebox.com
Pricing URL: Official WPCodeBox Pricing

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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.

WPCodeBox features and specs

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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

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Category Popularity

0-100% (relative to Understanding ES6 and WPCodeBox)

WPCodeBox

Tech

100 100%

Tech

0% 0

Productivity

35 35%

Productivity

65% 65

Developer Tools

54 54%

Developer Tools

46% 46

WordPress

0 0%

WordPress

100% 100

User comments

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Social recommendations and mentions

Based on our record, WPCodeBox seems to be more popular. It has been mentiond 2 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.

Understanding ES6 mentions (0)

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

WPCodeBox mentions (2)

Running Code Snippets
I've been using WP Codebox for the past year and it's amazing. Not only can I target front-end/back-end, I can specify conditional logic (pages/posts), header/footer, ordering, and even save my snippets to the cloud for use on other projects. Source: over 3 years ago
Wpcode VS Codesnippets?
Https://wpcodebox.com/ better then Codesnippets. The developer is also nearing releasing a functionality that after you add all your snippets.. You can then export them all into a custom plugin. Pretty cool idea. Also, there is a cloud/community repo in the plugin for snippets other people have made and submitted. Source: almost 4 years ago