Itís easy to learn parts of JavaScript, but much harder to learn it completelyóor even sufficientlyówhether youíre new to the language or have used it for years. with the "You Donít Know JS" book series, youíll get a more complete understanding of JavaScript, including trickier parts of the language that many experienced JavaScript programmers simply avoid. The seriesí first book, Up and Going, provides the necessary background for those of you with limited programming experience. By learning the basic building blocks of programming, as well as JavaScriptís core mechanisms, youíll be prepared to dive into the other, more in-depth books in the seriesóand be well on your way toward true JavaScript