What is NPM in Node.js?

Web Development
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  • NPM is the default package manager for Node.js and is written entirely in JavaScript.
  • NPM manages all packages and modules for Node.js and consists of command line client npm. It gets installed into the system with installation of Node.js.
  • The required packages and modules of the Node Project are installed using NPM. A package contains all the files needed for a module and modules are the JavaScript libraries that can be included in Node Project according to requirement of the project.
  • NPM can install all the dependencies of a project through the package.json file. It can also update and uninstall packages.
  • Npm is open source. The top NPM packages in the decreasing order are: Iodash, async, react, request.