What are the impacts of using callback functions in programming?

What are the impacts of using callback functions in programming?

Callback functions can enhance code modularity and readability, but they may also lead to callback hell if not managed properly.

Can you explain what callback hell is?

Callback hell refers to the situation where multiple nested callbacks make the code difficult to read and maintain.

How can I avoid callback hell?

You can avoid callback hell by using Promises or async/await syntax, which allows for more linear and readable code.

Are there any performance impacts of using callbacks?

While callbacks themselves are not inherently slow, excessive nesting can lead to performance issues due to increased complexity.