How do you return anything from async functions? How do you receive what is returned from async functions?
Previously we have seen how return works in Javascript. I typically write functions that return at least a true or false value.
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function printThis(statement) {
console.log(statement);
return true;
}
const ret = printThis("hello world");
console.log(ret);
/* output
hello world
true
*/
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If the function described above is async -
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async function printThis(statement) {
console.log(statement);
return true;
}
const ret = printThis("hello world");
console.log(ret);
/* output
hello world
Promise { true }
*/
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If you are interested in the return value from an async function, just wait till the promise resolves. Use then or wrap function in await.
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async function printThis(statement) {
console.log(statement);
return true;
}
const ret = printThis("hello world").then(ret => console.log(ret));
/* output
hello world
true
*/
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Also see
