Book Image

Learning Node.js Development

By : Andrew Mead
Book Image

Learning Node.js Development

By: Andrew Mead

Overview of this book

Learning Node.js Development is a practical, project-based book that provides you with all you need to get started as a Node.js developer. Node is a ubiquitous technology on the modern web, and an essential part of any web developers' toolkit. If you are looking to create real-world Node applications, or you want to switch careers or launch a side project to generate some extra income, then you're in the right place. This book has been written around a single goal—turning you into a professional Node developer capable of developing, testing, and deploying real-world production applications. Learning Node.js Development is built from the ground up around the latest version of Node.js (version 9.x.x). You'll be learning all the cutting-edge features available only in the latest software versions. This book cuts through the mass of information available around Node and delivers the essential skills that you need to become a Node developer. It takes you through creating complete apps and understanding how to build, deploy, and test your own Node apps. It maps out everything in a comprehensive, easy-to-follow package designed to get you up and running quickly.
Table of Contents (13 chapters)

Adding and saving notes

In the previous section, you learned how to work with JSON inside Node.js, and this is the exact format we'll be using for the notes.js application. When you first run a command, we'll load in all the notes that might already exist. Then we'll run the command, whether it's adding, removing, or reading notes. Finally, if we've updated the array, like we will when we add and remove notes, we'll save those new notes back into the JSON file.

Now, this will all happen inside of the addNote function, which we defined in the notes.js application, and we already wired up this function. In earlier sections, we ran the app add command, and this function executed with the title and body arguments.

Adding notes