JavaScript Closures

By the end of this lesson, we’ll be able to understand how closures work.

Closures

JavaScript functions have lexical scopes. The accessibility of the variable to a function depends on where that variable is declared within the code, hence the term “lexical.”

A function that’s nested inside another function has access to variables declared in its local scope, the outer function’s scope, and the global scope. The nested function is called a closure.

Let’s see what we get after running the provided code: