What Are Higher-order Functions? Can You Provide An Example?

Higher-order functions are special types of functions in JavaScript. They can do two things:

This makes them very powerful and flexible.

Example:

Let’s say we have a function called greet. It prints a greeting message.

function greet(name) {
  return `Hello, ${name}!`;
}

Now, we can create a higher-order function called makeGreeting. It takes a function and a name. It uses the function to create a greeting.

function makeGreeting(greetingFunction, name) {
  return greetingFunction(name);
}

We can use makeGreeting like this:

console.log(makeGreeting(greet, "Alice")); // This will print: Hello, Alice