Lexical scope simply means the other scopes have access to the variables defined in outer scopes. Let’s see it with an example: That looks stranger than what it is, so let’s explain it.

A block is any part of JavaScript code bounded by ’{}‘. Variables declared within a block can not be accessed outside that block. This Scope is only provided by the let and const keywords. If you ...

These JavaScript variable and function scoping examples were generated for my teaching demo with Girl Develop It. The purpose of the examples is to develop and deepen a beginner's understanding of ...

Global variables are a common source of logic errors, so keeping a variable in the smallest scope is always good practice. Conclusion Although variables are a fairly simple aspect of JavaScript ...

“Javascript has no block scope (!) but one can use self-executing functions instead (as Javascript has function scope.)” What Ben is referring to is that JavaScript doesn’t scope your variables to if ...