"this" is a common interview question and a very common source of bugs. Learn the purpose of "this" and understand how to avoid common mistakes.

Learn about more efficient workflow with the main Node.js code reloaders and their differences.

Learn about the best code editors for Node.js and JavaScript: VS Code and Atom and about their differences.

Learn how to debug Node.js code.

Learn how npm determines the project root and thus where to install Node.js modules.

Learn about the package.json file and how this is the most important file for all Node.js projects, as well as open source Node and browser JavaScript modules.

Learn the main npm commands and its options.

Learn about Node.js package manager, registry and the command-line tool used for back-end and front-end JavaScript development.

Learn about the main core Node.js modules such as fs, path, http, http2, crypto and cluster.

Learn about Node.js modules with require and module.exports, module patterns and what require can import besides just JavaScript files.