Why is callback hell bad in JavaScript?

It is hard to read (pyramid shape), error handling is repetitive (each callback must check for errors), inversion of control (you give up control of when the callback is called), debugging is hard (unclear stack traces), and maintenance is painful.

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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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