Book Image

Advanced Node.js Development

By : Andrew Mead
2 (1)
Book Image

Advanced Node.js Development

2 (1)
By: Andrew Mead

Overview of this book

Advanced Node.js Development is a practical, project-based book that provides you with all you need to progress as a Node.js developer. Node is a ubiquitous technology on the modern web, and an essential part of any web developer’s toolkit. If you're 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 was written around a single goal: turning you into a professional Node developer capable of developing, testing, and deploying real-world production applications. There's no better time to dive in. According to the 2018 Stack Overflow Survey, Node is in the top ten for back-end popularity and back-end salary. This book 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 delivers advanced skills that you need to become a professional Node developer. Along this journey you'll create your own API, you'll build a full real-time web app and create projects that apply the latest Async and Await technologies. Andrew Mead maps everything out for you in this book so that you can learn how to build powerful Node.js projects in a comprehensive, easy-to-follow package designed to get you up and running quickly.
Table of Contents (17 chapters)
Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
Index

Deleting documents


In this section, you're going to learn how to delete documents from your MongoDB collections. Before we get into that, in order to explore the methods that let us delete multiple documents or just one, we want to create a few more Todos. Currently, the Todos collection only has two items, and we're going to need a few more in order to play around with all these methods involving deletion.

Now, I do have two. I'm going to go ahead and create a third by right-clicking and then going to Insert Document.... We'll make a new document with a text property equal to something like Eat lunch, and we'll set completed equal to false:

{
   text: 'Eat lunch',
   completed: false
}

Now before we save this, I am going to copy it to the clipboard. We're going to create a few duplicate Todos so we can see how we can delete items based off of specific criteria. In this case, we're going to be deleting multiple Todos with the same text value. I'm going to copy that to the clipboard, click Save...