Understanding JavaScript Functions and Parameters

In this tutorial, Quinton explains how to use functions with parameters in JavaScript. He demonstrates how to define a function, use parameters, and call the function with different values. The tutorial highlights the flexibility of functions by showing how they can be reused with various messages. Quinton concludes by recapping the key points and encouraging viewers to subscribe and comment.

What is the main topic of this tutorial?

• Using loops in JavaScript

• Creating variables in JavaScript

• Using functions with parameters

• Handling events in JavaScript

What is the name of the function created in this tutorial?

• showMessage

• printMessage

• displayAlert

• alertMessage

Which keyword is used to define a function in JavaScript?

• def

• function

• func

• declare

What is a parameter in the context of functions?

• A loop control variable

• A function name

• A constant value

• A variable used within a function

How do you declare a parameter in a function?

• Using the keyword 'let'

• Using the keyword 'var'

• Inside square brackets

• Inside parentheses

What does the function 'alertMessage' do?

• Sends a message to the server

• Writes a message to the document

• Displays an alert with a message

• Logs a message to the console

How do you pass a value to a function parameter?

• By using the 'let' keyword

• By declaring it inside the function

• By including it in the function call

• By using the 'var' keyword

What message is displayed when the function 'alertMessage' is called with the value 'hello'?

• Greetings

• Welcome

• Hello

• Hi

How many times is the function 'alertMessage' called in the demonstration?

• Four times

• Three times

• Two times

• One time

What is the purpose of passing different values to the 'alertMessage' function?

• To test the function

• To reuse the function with different messages

• To debug the function

• To create multiple functions