How do promises solve callback hell in JavaScript?

Promises flatten the nesting with .then chains instead of deep callbacks. One .catch handles all errors. Promises guarantee the callback is called once with the result or error, solving inversion of control.

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More FAQs in What Is Callback Hell in JavaScript?

It occurs when multiple asynchronous operations are nested inside one another using callbacks.

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It makes code harder to read, debug, and maintain.

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Promises and Async/Await provide cleaner alternatives for handling asynchronous operations.

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