Node.js depend on the asynchronous code to do the execution fast so having dependable callbacks is very crucial. Callback functions is called at the completion of any task. In node, code is dependent ...

This repository contains examples of callback functions in JavaScript. Callback functions are essential for handling asynchronous operations, event-driven programming, and function execution flow.

Callback function wo function hai jo dusre function ke andar define kiya jata hai aur jab dusra function complete hota hai, tab ye call hota hai. Iska main purpose hai ki aap kisi operation ke ...

The basic idea behind using callback is that if we are doing a task and it is taking a longer time to complete. So instead of waiting for this task to be complete we want our node server to process ...