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Alexander D
8,685 PointsConverting Arrow function into regular function
Hello there,
Simple question here. I am trying to follow Guil's video and I am trying to re-write the syntax of his functions. I believe my syntax is correct, however i am not getting the same results.
He's writing:
fetch('https://dog.ceo/api/breeds/image/random')
.then(response => response.json())
.then(data => console.log(data))
The console logs the followoing message, which is what we are expecting:
{message: "https://images.dog.ceo/breeds/bulldog-boston/n02096585_2671.jpg", status: "success"} app.js:9 Fetch finished loading: GET "https://dog.ceo/api/breeds/image/random".
Then, I rewrite the syntax. This is my version of the functions, slightly longer:
fetch('https://dog.ceo/api/breeds/image/random')
.then((response) => {
response.json();
})
.then((data) => {
console.log(data);
})
I am not getting all this information back in the console. I am getting a plain "undefined" message along with "Fetch finished loading: GET "https://dog.ceo/api/breeds/image/random". "
Why is that?
2 Answers
Steven Parker
231,269 PointsThe short form of an arrow function body (a single expression without braces) also implies a return statement.
To make your longer form function as a proper replacement, you still need to add the "return"s (well, at least the first one — I don't think "console.log" returns anything).
Alexander D
8,685 PointsSteven Parker Thank you!