Lexical Scope defines how variable access is determined based on the location of variables and functions in the code at the time of writing. It is static, meaning it doesn't change during runtime.

Lexical Scope defines how variable access is determined based on the location of variables and functions in the code at the time of writing. It is static, meaning it doesn't change during runtime.

Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...