Modern JavaScript from the Beginning - Second Edition - Promises

The video tutorial explains the concept of promises in JavaScript, highlighting their role in managing asynchronous operations. It covers the creation and handling of promises using the Promise constructor, resolve, and reject methods. The tutorial demonstrates how to handle promises with .then and .catch, and how to return data and manage errors. It also introduces the .finally method, which executes regardless of promise resolution or rejection. The video emphasizes understanding promise handling, especially when using the Fetch API, to avoid callback hell and ensure non-blocking code execution.

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