Hoisting is a concept or behavior in JavaScript where the declaration of a function, variable, or class goes to the top of the scope they were defined in. What does this mean? Hoisting is a concept you may find in some programming languages (such as JavaScript) and not in others.

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Hoisting is a concept or behavior in JavaScript where the declaration of a function, variable, or class goes to the top of the scope they were defined in. It's a concept you may find in some programming languages (such as JavaScript) and not in others. We'll learn about how it works in this article.

What is Hoisting in JavaScript | Hoisting Functions, Variables and Classes