Yudiz Solutions Mern Stack Developer Interview Questions and Answers

Callbacks are functions passed as arguments to other functions, to be executed later.

• Callbacks are commonly used in asynchronous programming to handle events or responses.

• They allow for functions to be executed after another function has finished.

• Callbacks can be used to achieve better modularity and reusability in code.

• Example: setTimeout function in JavaScript takes a callback function as an argument to be executed a