Скачать или смотреть 11 Advance JavaScript Promise and Callbacks in pashto

Learn how to chain multiple promises, manage concurrent operations with Promise.all, handle race conditions using Promise.race, and master error handling in complex async flows. This deep dive helps developers write cleaner, more efficient, and non-blocking JavaScript code using Promises and async/await.
Callback Functions explore powerful ways to handle asynchronous logic, event-driven programming, and higher-order function patterns. This includes understanding callback hell, error-first callbacks, custom callbacks, and integrating callbacks with promises and async/await. Mastering callbacks is key to writing efficient, readable, and scalable JavaScript code — especially in frameworks like Node.js or when dealing with APIs and user interactions in the browser.

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