Async/Await Tutorial 🚀

What is Async/Await?

Async/Await is a modern JavaScript feature that simplifies asynchronous code by allowing you to write it in a synchronous style. It makes handling promises more readable and maintainable.

Key Concepts

• Async Function: Declared with async keyword, returns a promise.
• Await Keyword: Pauses the function execution until the promise is resolved.
• Error Handling: Use try...catch blocks for managing errors in async functions.

Example Usage

async function fetchData() {
  try {
    const response = await fetch('https://api.example.com/data');
    const data = await response.json();
    return data;
  } catch (error) {
    console.error('Error fetching data:', error);
    throw error;
  }
}

Benefits of Async/Await

• ✅ Improved readability compared to nested callbacks or .then() chains.
• ✅ Easier to debug with standard try...catch syntax.
• ✅ Support for modern JavaScript environments.

Common Use Cases

• Fetching data from APIs
• File operations
• Network requests
• Database queries

Best Practices

• Always use async when defining functions that perform asynchronous tasks.
• Combine with Promise for better error handling.
• Avoid using await inside loops unless necessary.

Further Reading

For a deeper dive into promises and async/await, check out our Promises Tutorial 📘