Answer
A module is a separate file containing reusable code that can be imported into other files.
Quick Answer
A module is a reusable piece of code in its own file. Node uses the module system to keep code organized and prevent variable name collisions. You export what you want to share (module.exports) and import what you need (require()). Every file in Node.js is automatically its own module.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ