What is async await used for?

await can be used on its own with JavaScript modules. Note: The purpose of async / await is to simplify the syntax necessary to consume promise-based APIs . The behavior of async / await is similar to combining generators and promises. Async functions always return a promise.

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What are futures in programming?

In computer science, future, promise, delay, and deferred refer to constructs used for synchronizing program execution in some concurrent programming languages . They describe an object that acts as a proxy for a result that is initially unknown, usually because the computation of its value is not yet complete.

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What is a Future class?

Simply put, the Future class represents a future result of an asynchronous computation . This result will eventually appear in the Future after the processing is complete. Let’s see how to write methods that create and return a Future instance.

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