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Async Await in JavaScript

April 5, 2026

Async/Await

Syntactic sugar over Promises for cleaner async code.

Async Await Example

async function getUserData(userId) {
    try {
        const response = await fetch(`/api/users/${userId}`);
        const userData = await response.json();
        return userData;
    } catch (error) {
        console.error("Fetch error:", error);
        throw error;
    }
}

getUserData(1).then(user => console.log(user));

Key Points

  • async functions always return Promise.
  • await pauses execution until Promise settles.
  • try/catch for error handling.
  • Sequential async operations look synchronous.
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