What are function arguments in JavaScript?

What are function arguments in JavaScript?

Function arguments are values passed to a function when it is called. They allow you to provide input to the function.

Can you give me an example of a function with arguments?

Sure! Here's a simple example:

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

console.log(greet('Alice')); // Output: Hello, Alice!

What happens if I don't pass any arguments?

If you don't pass any arguments, the function will use undefined for those parameters unless you set default values.

How can I set default values for function arguments?

You can set default values by using the assignment operator in the function definition, like this:

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