It’s easy to learn parts of JavaScript but much harder to learn it completely-or even sufficiently-whether you’re new to the language or have used it for years With the You Don’t Know JS book series you’ll get a complete understanding of JavaScript including trickier parts of the language that many experienced JavaScript programmers simply avoidThe series’ first book Up Going provides the necessary background for those of you with limited programming experience By learning the basic building blocks of programming as well as JavaScript’s core mechanisms you’ll be prepared to dive into the other in depth books in the series-and be well on your way toward true JavaScriptWith this book you will Learn the essential programming building blocks including operators types variables conditionals loops and functions Become familiar with JavaScript's core mechanisms such as values function closures this and prototypes Get an overview of other books in the series-and learn why it’s important to understand all parts of JavaScript

You dont know js hoisting