Ep5 what is callback javascript tutorial

in episode 5 of the javascript tutorial series, the focus is on understanding callbacks, a fundamental concept in asynchronous programming. a callback is a function passed as an argument to another function, which is executed after a certain task is completed. this allows for non-blocking code execution, enabling developers to manage tasks like api calls, file reading, or timers without freezing the main thread. the tutorial explains the importance of callbacks in handling asynchronous operations, providing a clear distinction between synchronous and asynchronous execution. it emphasizes how callbacks can help maintain a clean flow of code, allowing subsequent actions to occur once previous tasks have been finished. the episode also touches on potential issues like "callback hell," where excessive nesting of callbacks can lead to difficult-to-read code, and briefly introduces alternatives like promises and async/await for better code management. overall, the episode lays a solid foundation for mastering asynchronous javascript behavior.
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