FAQ: Async Await - The await Operator

This community-built FAQ covers the “The await Operator” exercise from the lesson “Async Await”.

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This exercise can be found in the following Codecademy content:

Web Development

Asynchronous JavaScript

FAQs on the exercise The await Operator

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This might just be flying over my head, but I’m a bit confused with the output of this exercise.

From what I understand async… await lets us control the flow of our tasks by halting the execution of our async function until a given promise is resolved. Ok cool I can get that.

However, while working on the exercise and calling both the native promise (nativePromiseDinner()) and async (announceDinner()) functions together I see them execute identically.

There are 2 ways that this could make sense to me:

  1. After looking over the brainstormDinner Promise, each log is individually resolving the Promise, therefore completing the await, then returning to the next log.

  2. I don’t understand async… await and the exercise.

1 Like

Hi @sasquiche you are right that await lets us control the flow of our tasks by halting the execution of our async function until a given promise is resolved.

So if we declare that:

let resolvedValue = await brainstormDinner();

in the announceDinner function, we have to wait for the brainstormDinner promise to resolve.

Now, as you rightly mention, both the native promise (nativePromiseDinner()) and async (announceDinner()) functions execute identically. This is because the exercise is meant to show us that the async wait method is identical to using native promises.

Finally, looking over the brainstormDinner Promise, each log is is not resolving the Promise. Essentially, the promise first logs various messages, then resolves with the meal you decide to cook i.e


Hope that explanation helps.

1 Like

@textninja83556 This was the explanation I was looking for. Thank you very much.


function nativePromiseDinner() {
brainstormDinner().then((resolve) => {
console.log(I'm going to make ${resolve} for dinner.);
nativePromiseDinner() ;

// async/await version:
async function announceDinner() {
// Write your code below:
let meal = await brainstormDinner();
console.log(I'm going to make ${meal} for dinner.);


I have called both, promises and async await at same tme and i got this as op why?faq

what i have understood is its because both of them are asynchronous function.so when compiler read nativePromiseDinner() , it do not stop and wait for it’s execution to be completed, rather it is running in background and compiler move to next function call which is announceDinner(), thus our both functions are running at same time in background with delay of 1sec(1000) that is why we get same statement 2 time, P.S sorry for my bad English :smiley:

In the previous lesson, they said:

async functions always return a promise.

So why do we need to use a promise anyway ?
Can’t we just do an async function and an await outside of it ?

This video on YouTube was linked earlier in the course. It’s about a half hour but really worth a watch to get exactly what is going on.

hi, I looked at the code solution, since i wanted to know what went wrong, since my program was working fine and to expectations when i did “node app.js”

however, it was the exact code (except one comment)

what on earth happened? it’s clearly a glitch since the comment was single line and no other code being affected…
i am now not sure if this glitch will happen again

Hi All,
I have re-written the brainstormDinner function as below. But it’s returning ‘undefined’ value instead of ‘beans’. Can anybody review my code please?
@midlindner @mtf

Original code (as given by Codecademy):

> const brainstormDinner = () => {
>   return new Promise((resolve, reject) => {
>   console.log(`I have to decide what's for dinner...`)
>   setTimeout(() => {
>     console.log('Should I make salad...?')
>     setTimeout(() => {
>       console.log('Should I make ramen...?')
>       setTimeout(() => {
>         console.log('Should I make eggs...?')
>         setTimeout(() => {
>           console.log('Should I make chicken...?')
>           resolve('beans')
>         }, 1000)
>       }, 1000)
>     }, 1000)
>   }, 1000)
> })
> }
> async function announceDinner() {
>     let meal = await brainstormDinner(); 
>     console.log(`I'm going to make ${meal} for dinner.`);
>   }
> announceDinner();
> ```

My code:

async function brainstormDinner2(){

    console.log(`I have to decide what's for dinner...`);

    setTimeout(() => {

      console.log('Should I make salad...?');

      setTimeout(() => {

        console.log('Should I make ramen...?');

        setTimeout(() => {

          console.log('Should I make eggs...?');

          setTimeout(() => {

            console.log('Should I make chicken...?');

            return 'beans';

          }, 1000);

        }, 1000);

      }, 1000);

    }, 1000);


async function announceDinner() {

    let meal = await brainstormDinner2(); 

    console.log(`I'm going to make ${meal} for dinner.`);



Output (node app.js):

I have to decide what’s for dinner…
I’m going to make undefined for dinner.
Should I make salad…?
Should I make ramen…?
Should I make eggs…?
Should I make chicken…?

My second question is:
The lesson says that “Await is an operator: it returns the resolved value of a promise.”
So, what will happen if there’s a reject in place of a resolve?
@midlindner @mtf

I’m pretty confused by this whole module but should it be resolve(‘beans’) instead of return ‘beans’;?


Quick question. Till this lesson(module) i am figuring out we should be writing our code using
async… await :+1:

Don’t need to use callbacks :-1:
Don’t need to use Promises :-1:

I want to do more practice so i can become more easy with this way of coding. Can someone please guide where i can find more exercises related to this.

Kind Regards