The area of ​​visibility and close. 2nd edition

You still do not know JS. And Kyle Simpson admits that he also does not know him (at least completely) ... and no one knows. But we can all start working to find out better. No matter how much time you spend in learning the language, you can always find something else that you should study and understand at a different level.
Have you already read Meet JavaScript? Then open the second book of the series “You still do not know JS” to get to know the first of the first of the three pillars of JavaScript - a system of visibility and functional shortages, as well as with a powerful pattern of design “Module”.
It is time to master the rules of lexical areas of visibility for placing variables and functions in the right positions. And look at a lower level, because magic with storage of the state of the modules is based on circuits using the system of lexical areas of visibility