What is the performance difference between async/await and promises?

What is the performance difference between async/await and promises?

Async/await is syntactic sugar over promises, making code easier to read. However, performance can vary based on usage.

Can you explain how async/await works under the hood?

Sure! Async/await uses promises behind the scenes. When you use 'await', it pauses execution until the promise resolves.

Are there scenarios where one is better than the other?

Yes, for complex asynchronous flows, async/await can be more readable. For simple cases, promises might be sufficient.

What about error handling in both cases?

With async/await, you can use try/catch for error handling, which is more straightforward than chaining .catch() with promises.