TypeScript for Beginners - Using Functions as Parameters

The video tutorial explains how to pass functions as parameters to other functions in JavaScript. It introduces a calculator function that accepts any function as a parameter, demonstrating the concept of higher-order functions. The tutorial walks through creating, invoking, and testing the calculator function, highlighting the ability to pass not only simple data types but also functions as arguments. The key takeaway is understanding how to use functions as first-class citizens in JavaScript, enabling more flexible and reusable code.

What is the purpose of the calculator function described in the text?

What should you do if a function does not return anything?

Explain how functions can be passed as parameters to other functions.

Describe the process of invoking the calculator function with an arithmetic function.

What is the significance of passing functions as arguments in programming?