What is lexical scoping in javascript?

Answer 1

 A lexical scope in Javascript means that a variable defined outside a function can be accessible inside another function defined after the variable declaration. . So, the add() function is accessing the global variable x which is defined before method function add

Answer 2

https://www.google.com/amp/s/whatis.techtarget.com/definition/lexical-scoping-static-scoping%3famp=1