Hi all,

Functions are one of the fundamental building blocks in JavaScript. A function in JavaScript is similar to a procedure—a set of statements that performs a task or calculates a value, but for a procedure to qualify as a function, it should take some input and return an output where there is some obvious relationship between the input and the output. To use a function, you must define it somewhere in the scope from which you wish to call it.

--What is a Function?

A function is a reusable set of instructions that can be executed when called. Functions help developers break large programs into smaller and manageable parts.

Example:

function greet() {

console.log("Hello, World!");

}

greet();

In this example, the greet() function prints "Hello, World!" when it is called.

--Why Use Functions?

Functions provide several benefits:

Reduce code repetition

Improve code readability

Make programs easier to maintain

Allow code reuse in different parts of a program

By using functions, developers can…