Learn JavaScript CALLBACKS in 7 minutes! 🤙

00:00:00 introduction
00:00:50 example 1
00:04:00 example 2

// callback = a function that is passed as an argument
// to another function.

// used to handle asynchronous operations:
// 1. Reading a file
// 2. Network requests
// 3. Interacting with databases

// "Hey, when you're done, call this next."

hello(goodbye);

function hello(callback){
console.log("Hello!");
callback();
}

function goodbye(){
console.log("Goodbye!");
}