Advanced Node.js Development

Updating data

You know how to insert, delete, and fetch documents out of MongoDB. In this section, you're going to learn how to update documents in your MongoDB collections. To kick things off, as usual, we're going to duplicate the last script we wrote, and we'll update it for this section.

I'm going to duplicate the mongodb-delete file, renaming it to mongodb-update.js, and this is where we'll write our update statements. I'm also going to delete all of the statements we wrote, which is the deleted data. Now that we have this in place, we can explore the one method we'll be looking at in this section. This one is called findOneAndUpdate. It's kind of similar to findOneAndDelete. It lets us update an item and get the new document back. So ...