How do I handle asynchronous code in Node.js?

How do I handle asynchronous code in Node.js?

In Node.js, you can handle asynchronous code using callbacks, promises, or async/await. Which one would you like to learn more about?

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 show me a simple example of 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 before proceeding.