What are callback functions in JavaScript?

What are callback functions in JavaScript?

Callback functions are functions passed as arguments to other functions, executed after a certain event.

Can you give me an example of a callback function?

Sure! Here's a simple example:

function greet(name, callback) {
    console.log('Hello ' + name);
    callback();
}

function sayGoodbye() {
    console.log('Goodbye!');
}

greet('Alice', sayGoodbye);

What are the benefits of using callback functions?

They help manage asynchronous operations, improve code organization, and allow for more flexible function execution.

Are there any drawbacks to using callback functions?

Yes, they can lead to callback hell, making code harder to read and maintain. Promises and async/await can help.