What is asynchronous programming and why should it be used?

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Accepted Answer

Async programming is a programming paradigm that allows multiple tasks to run concurrently without blocking the main thread.

Async programming is used to improve the performance of applications by allowing them to perform multiple tasks simultaneously.
It is particularly useful for I/O-bound operations, such as reading and writing to a database or network.
Async programming can be implemented using callbacks, promises, or async/await syntax.
Examples of async programming frameworks in JavaScript include Node.js and React Native.