A function is a subprogram or subroutine that realize a specific task, that could be called and reused. On JavaScript, the functions are objects and could be used in that way. Object Functions

On JavaScript all is an object or is part of one, inclusive the variables that you declare on the global scope form part of an object, and we will be watching this type of things in this post of JavaScript Objects.

First, lest start with what I before mentioned, ¿where belongs a variable that is created in global scope?