4. Defining TypeScript Callback Types: Boosting Code Safety and Readability
   A callback is a function that's passed as an argument to another function. The receiving function can then "call back" the passed function at a later point
5. Understanding this in Callbacks:
   Understanding this in JavaScript:this is a special keyword in JavaScript that refers to the object that is executing the current code
6. Beyond the Basics: Advanced Techniques for React State Management with setState Callbacks
   In React components (especially class components), setState is a built-in method that allows you to update the component's state
7. Unleashing the Power of Promises: A Guide to Converting Callback APIs
   A common way to handle asynchronous operations in Node. js before Promises.They involve passing a function (the callback) as an argument to another function that performs the asynchronous task