Learn the basics of working with npm. We'll show you how to install packages in local and global mode, as well as delete, update and install a certain version of a package. You'll also discover how to work with package.json to manage a project’s dependencies.

A Beginner’s Guide to npm, the Node Package Manager

Preface

Node.js makes it possible to write applications in JavaScript on the server. It’s built on the V8 JavaScript runtime and written in C++—so it’s fast. Originally, it was intended as a server environment for applications, but developers started using it to create tools to aid them in local task automation. Since then, a whole new ecosystem of Node-based tools (such as Grunt , Gulp and webpack ) has evolved to transform the face of front-end development.

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