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Advanced Node.js Development
book

Advanced Node.js Development

by Andrew Mead
March 2018
Intermediate to advanced content levelIntermediate to advanced
592 pages
13h 44m
English
Packt Publishing
Content preview from Advanced Node.js Development

Using the async function

The first one, await, will eventually get used inside of our async functions but, before we can ever use await, we have to mark that function as async, so we're going to do that first. We're going to explore it, then we'll move on to await. In the getStatusAlt variable line, all we're going to do is add async in front of our arguments list with a space:

const getStatusAlt = async (userId) => {  return 'Mike';};

Now, this is actually going to change how the console.log works; to explore that, all we're going to do is save the file and see what we get. Instead of getting the string Mike back, you can see we're now getting a Promise back:

We're getting a promise back that resolves the string Mike, so this brings us to ...

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Publisher Resources

ISBN: 9781788393935Supplemental Content