Node js Tutorial for Beginners: Learn Step by Step in 3 Days

Companies, both large and small, are using it for large-scale and small-scale projects. PayPal, for example, has converted many services from Java to Node.js. Close the browser and from a terminal in the myExpressApp folder, stop the Node.js server by pressing CTRL+C. Now that you’ve seen VS Code in action with “Hello World”, the next section shows using VS Code with a full-stack Node.js web app. You should see “Hello World” output to the terminal and then Node.js returns. After experimenting with IntelliSense, revert any extra changes from the source code example above and save the file (⌘S (Windows, Linux Ctrl+S)).

  • Results and errors land in the correct location while preserving the excellent event-driven asynchronous programming model that made Node.js great.
  • Node.js is an open-source, cross-platform runtime environment used for the development of server-side web applications.
  • Before starting this module you will need to understand what server-side web programming and web frameworks are, ideally by reading the topics in our Server-side website programming first steps module.
  • You can use Node.js to create a simple web server using the Node HTTP