How can I use async/await with the map function in JavaScript?
You can use async/await with the map function by first creating an async function and then using await inside it.
Can you show me an example of that?
Sure! Here's a simple example:
const fetchData = async (url) => {
const response = await fetch(url);
return response.json();
};
const urls = ['url1', 'url2', 'url3'];
const getData = async () => {
const results = await Promise.all(urls.map(url => fetchData(url)));
console.log(results);
};
getData();
What does Promise.all do in this context?
Promise.all
takes an array of promises and returns a single promise that resolves when all of the promises in the array have resolved.
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