JavaScript Async/Await

I'm trying to understand JavaScript async/await. How can I rewrite the below such that the output is "Hi" then "Bye" instead of "Bye" then "Hi":

JSFiddle

sayHi() 
  .then(sayBye);

async function sayHi() {
  await setTimeout(function() {
    $("#myOutput").text('hi');
  }, 1000);
}

async function sayBye() {
  $("#myOutput").text('bye');
}

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LVL 11
Michael VasilevskySolutions ArchitectAsked:
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leakim971PluritechnicianCommented:
The main issue is you must "resolve" or "reject"
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/await

sayHi().then(sayBye);

async function sayHi() {
  await new Promise(resolve => { // check the expression in the documentation : A Promise or any value to wait for.
	  setTimeout(function() {
	  $("#myOutput").text('hi');
	   resolve();
	  }, 1000);
  });
}

async function sayBye() {
    $("#myOutput").text('bye');
}

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Michael VasilevskySolutions ArchitectAuthor Commented:
Full solution:

(async () => {
  await sayHi() 
  sayBye()
})()

function sayHi() {
  return new Promise(function (resolve) {
    $("#myOutput").text('hi');
      setTimeout(function() {
      resolve()
    }, 1000)
  });
}

function sayBye() {
  $("#myOutput").text('bye');
}

Open in new window

0
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