JavaScript Essentials: Variable Scope

In this tutorial, you'll learn about how JavaScript variable scope works and what it means for declaring your variables.

There are some things that can make the code you write confusing to debug and understand and understanding variable scope can help you to determine what's going on.

In a nutshell, where you declare a variable in JavaScript matters. If you define a variable outside of a function, then it will be available inside that function. However, variables defined within a function will not be available outside.

In the tutorial, you'll see examples of when you define a variable in the wrong place, how it can affect the rest of your JavaScript code. Channel Handle @codebubb