Asynchronous JavaScript
Asynchronous JavaScript is a core programming paradigm that addresses the language's single-threaded nature, allowing it to handle long-running operations without blocking the main execution thread. By using features like callbacks, Promises, and the modern `async`/`await` syntax, developers can initiate tasks such as network requests, file I/O, or timers, and then allow other code to run while waiting for those tasks to complete. This non-blocking model is fundamental to creating responsive user interfaces and efficient, scalable applications, especially in environments like web browsers and Node.js where waiting for I/O operations is common.
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