Scopes and Closures In-depth 03 - Understanding Scopes and Block Scoping

Let's understand what scopes are in general. Most programming languages have some form of variable scoping. We'll look at why scoping is required and how it works.

[williamnutt]

Your detailed explanations are exceedingly helpful. Thank you.

[saucy]

This is a bit outdated. Curley braces do in fact create a scope using let and const in Javascript.