What is async await for?

Async / await is a native feature available in Node. js that makes it easier to manage tasks that take time, like waiting for a response from an API. In Node. js, where it's common to handle many tasks simultaneously, async / await keeps our asynchronous code organized and more readable.

How to wait for an async response?

// works only inside async functions let value = await promise ; The keyword await makes JavaScript wait until that promise settles and returns its result.

Can I use async await without promise?

The await operator is used to wait for a Promise and get its fulfillment value. It can only be used inside an async function or at the top level of a module.

Why use async/await instead of sync?

Why async/await is more than just syntactic sugar

• async/await allows us to use all the language constructs that are available in synchronous programming, resulting in more expressive and readable code;
• async/await unifies the experience of asynchronous programming; and
• async/await provides better error stack trace;

Слово async перед функцією означає одну просту річ: функція завжди повертає проміс. Інші значення автоматично загортаються в успішно виконаний …
Async/await в JavaScript — це синтаксичний цукор для роботи з промісами, який дозволяє писати асинхронний код, що виглядає як синхронний.
The utility of the async/await feature in JavaScript rests on the idea that asynchronous code is hard and synchronous code, by comparison, is easier.

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