Advanced Node.js Development

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. ...