The Modern JavaScript Bootcamp (2019) - Variable Scope: Part I

The video tutorial introduces the concept of variable scope in JavaScript, explaining how the scope of a variable determines its accessibility within a program. Through a simple example, the tutorial demonstrates how variables defined within different scopes can lead to errors if not properly understood. The video covers lexical scoping, differentiates between global and local scopes, and explores complex scope hierarchies. The tutorial concludes with a preview of the next video, which will delve into edge cases and challenges related to scope.

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