JavaScript Functions

The video tutorial introduces JavaScript functions, explaining their reusability and syntax. It covers traditional and modern function syntax, including the use of 'let' and arrow functions. The tutorial demonstrates how to create functions with parameters and return values, emphasizing the importance of using return statements for more versatile functions. The video concludes with a detailed explanation of arrow functions, highlighting their concise syntax.

How do you call a function in JavaScript?

What is the role of parameters in functions?

Explain how to create a function that calculates the area of a rectangle.

What are the advantages of using functions that return a value?