You are right, the book is about base/core of JavaScript and how they work under the hood. I think you already know that then you are well into the path of beco

You are right, the book is about base/core of JavaScript and how they work under the hood. I think you already know that then you are well into the path of becoming an expert. I recommended this book as you mentioned JavaScript Expert. I think expert involves a very deep knowledge of JavaScript itself and how it works under the hood. This is why recommended the book.