March 2018
Intermediate to advanced
592 pages
13h 44m
English
If I want it to reject an error like ('This is an error'), how do I go about doing that with the new async feature? All we do is throw a new error using standard JavaScript techniques. Throw a new error with a message, ('This is an error'):
const getStatusAlt = async (userId) => { throw new Error('This is an error'); return 'Mike';};
This is equivalent to using the reject argument in the new Promise. When you throw a new error from an async function, it is exactly the same as rejecting some value. So, in this case, we can go ahead and use that error by adding a catch, like we would if it was a regular old promise. We're going to get the error back, and I'll use console.log to print it to the screen, ...