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What is npm?

Entry NodeJS
Quick Answer npm (Node Package Manager) is the default package manager for Node.js. It lets you install, share, and manage JavaScript libraries (packages) that you use in your project. npm install adds a package; package.json tracks which packages your project depends on. The npm registry hosts over 2 million packages.

Answer

npm is Node’s package manager used to install and manage external libraries.
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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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