JavaScript, like most programming languages, was initially used for small tasks. But as its popularity grew, so did the amount of code that needed to be written.  Having a large amount of code in a single file can be problematic, so it's helpful to split the code into multiple

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Learn how to create, import, and export JavaScript modules to organize and structure code. Modules provide benefits like code organization, code reusability, and avoiding naming conflicts. Explore different ways to define modules and how to import them.

JavaScript Modules – How to Create, Import, and Export a Module in JS