January 2018
Beginner
658 pages
13h 10m
English
Content preview from Learning Node.js Development
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
The asynchronous testing for the square function
Now let's create an asynchronous version of the square method as we did with the synchronous one. In order to get started, we'll define the function first and then we'll worry about writing that test.