Kyle Simpson Kit

You Don’t Know JavaScript

Achieve true JavaScript mastery

It’s easy to learn parts of JavaScript, but much harder to learn it completely. Whether you’re new to the language or have used it for years, Kyle Simpson’s You Don’t Know JS series will take your skills up a level, giving you a thorough understanding of JavaScript—including the trickier parts that many experienced programmers simply avoid.

Buy any 2 titles and get the 3rd FREE with discount code OPC10.Offer does not apply to "Print & Ebook" pricing.

Buy the ebook series for $37.60 (60% savings)

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Buy the print series for $68.34 (40% savings)

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You Don't Know JS: Up & Going

You Don't Know JS: Up & Going: The series’ first book introduces the basic building blocks of programming and gives an overview of JavaScript’s core mechanisms.

You Don't Know JS: ES6 & Beyond

You Don't Know JS: ES6 & Beyond: This compact guide focuses on new features available in ECMAScript 6 (ES6), the latest version of the standard upon which JavaScript is built. Learn new ES6 syntax that eases the pain points of common programming idioms, organize your code, express async flow control with Promises, and more.

You Don't Know JS: Scope & Closures

You Don't Know JS: Scope & Closures: Go inside scope and closures, two core concepts you need to know to become a more efficient and effective JavaScript programmer. You’ll learn how and why they work, and how an understanding of closures can be a powerful part of your development skillset.

You Don't Know JS: Async & Performance

You Don't Know JS: Async & Performance: This part of the series focuses on new asynchronous features and performance techniques—including Promises, generators, and Web Workers—that let you create sophisticated single-page web applications and escape callback hell in the process.

You Don't Know JS: Types & Grammar

You Don't Know JS: Types & Grammar: This volume explores JavaScript types in greater depth by looking at type coercion problems, demonstrating why types work, and showing you how to take advantage of these features.

You Don't Know JS: this & Object Prototypes

You Don't Know JS: this & Object Prototypes: In this volume, you’ll take a look inside JavaScript’s this structure and object prototypes to learn how they work and why they’re integral to behavior delegation—a design pattern in which objects are linked, rather than cloned.

Bonus! Get Kyle Simpson’s Frontend Masters videos for $78.80 (60% savings)

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