What are some examples of asynchronous code in JavaScript?
Asynchronous code in JavaScript allows for non-blocking operations. Common examples include using callbacks, promises, and async/await.
Can you explain how promises work?
Sure! A promise is an object that represents the eventual completion (or failure) of an asynchronous operation. It can be in one of three states: pending, fulfilled, or rejected.
What about async/await? How is it different from promises?
Async/await is syntactic sugar built on top of promises. It allows you to write asynchronous code that looks synchronous, making it easier to read and maintain.
Can you give me a code example using async/await?
Absolutely! Here's a simple example:
async function fetchData() {
const response = await fetch('https://api.example.com/data');
const data = await response.json();
return data;
}
This function fetches data from an API and waits for the response.
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