You Don't Know JS Yet

You-Dont-Know-JS is a renowned book series by Kyle Simpson that delves deeply into the inner workings and foundational principles of the JavaScript language. The repository hosts the second edition of the series, which continues the author’s mission to help developers understand JavaScript beyond surface-level syntax and frameworks. Each book focuses on specific language mechanisms—such as scope, closures, objects, and types—providing a rigorous exploration of how JavaScript actually operates under the hood. The project encourages readers to engage critically with the language, moving past memorization toward true mastery and mental clarity in coding. While some volumes are still in draft form or canceled, the available books remain highly influential learning materials in the JavaScript community. The repository also includes links to purchase editions via Leanpub and Amazon, ensuring accessibility for learners at all levels.