The JavaScript language has a few concepts of “scope”, none of which are straightforward or easy to understand as a new JavaScript developer (and even some experienced JavaScript developers). This post is aimed at those wanting to learn about the many depths of JavaScript after hearing words such as scope , closure , this , namespace , function scope , global scope , lexical scope and
A JavaScript global variable is declared outside the function or declared with window object. It can be accessed from any function. Let’s see the simple example of global variable in JavaScript.