Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Advanced Node.js Development

You're reading from   Advanced Node.js Development Master Node.js by building real-world applications

Arrow left icon
Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788393935
Length 592 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Andrew Mead Andrew Mead
Author Profile Icon Andrew Mead
Andrew Mead
Arrow right icon
View More author details
Toc

Table of Contents (12) Chapters Close

Preface 1. Getting Set Up FREE CHAPTER 2. MongoDB, Mongoose, and REST APIs – Part 1 3. MongoDB, Mongoose, and REST APIs – Part 2 4. MongoDB, Mongoose, and REST APIs – Part 3 5. Real-Time Web Apps with Socket.io 6. Generating newMessage and newLocationMessage 7. Styling Our Chat Page as a Web App 8. The Join Page and Passing Room Data 9. ES7 classes 10. Async/Await Project Setup 11. Other Books You May Enjoy

Async/await basics


In this section, you're finally going to get to use the new async/await functionality. We're going to create an alternative version of the getStatus function and call it getStatusAlt, so we can go ahead and actually define that: a const getStatusAlt. Now, it's still going to be a function, so we're going to start off by creating an arrow function (=>). We're still going to take in an argument, so we'll define that userId:

const getStatusAlt = (userId) => {

};

Now, though, we're going to switch things up. Instead of working through the old example, we're going to use the new async/await functionality. To explore this, let's temporarily comment out the getStatus-then and catch block code. We'll be recreating it with a call to getStatusAlt as opposed to a call to getStatus, but I do want to leave the old code in place so we can directly compare and contrast the differences.

The new async/await functionality is going to allow us to write our old code in a way that looks...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image