Call backs in Js
In JavaScript, a callback is a function that is passed as an argument to another function and is intended to be executed after the completion of a specific task or at a certain event. Callbacks are a fundamental concept in asynchronous programming, allowing you to manage the flow of code execution.
Call back hello a.k.a pyramid of doom. Callback hell occurs when you have multiple nested callbacks within callbacks, making the code difficult to read and maintain.
Promise
What is Promise
Promise States