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Last updated: Jan 12, 2022

Modules

As our application grows bigger, we want to split it into multiple files, so called “modules”. A module may contain a class or a library of functions for a specific purpose. For a long time, JavaScript existed without a language-level module syntax. That wasn’t a problem, because initially scripts were small and simple, so there was no need. But eventually scripts became more and more complex, so the community invented a variety of ways to organize code into modules, special libraries to load modules on demand.
Modules in JavaScript
Through this blog post, I’ll explain the what, why, and how of Modules in JavaScript with a working example.
Exports, Imports and module.exports EASY
This article extensively discusses the exports, imports and module.exports in JavaScript.