AWS, JavaScript, React - Deploy Web Apps on the Cloud - Building the Calculator Visuals

This video tutorial guides viewers through creating a basic calculator component in React. It covers the transition from a simple 'Hello' component to a functional calculator with buttons. The tutorial explains how to use props to pass values to child components and applies CSS for styling. The video concludes with a complete calculator layout, including operators and a display, setting the stage for adding functionality in the next lesson.

What is the initial step in creating a basic calculator component in React?

• Implementing a database connection

• Starting with a 'Hello' component

• Creating a complex mathematical function

• Designing a user interface with CSS

How can you make a button component reusable in React?

• By passing values through props

• By hardcoding values

• By using global variables

• By using inline styles

What is the correct way to apply CSS classes in React?

• Using 'class' as in HTML

• Using 'cssClass' attribute

• Using the 'style' attribute

• Using 'className' in camel case

What layout technique is used to position buttons in the calculator?

• Absolute positioning

• Table layout

• CSS Grid

• Flexbox

How do you ensure CSS classes are applied to operator buttons?

• By using inline styles

• By using a CSS framework

• By reading the className from props

• By setting a default class

What is the purpose of the 'operator' CSS class in the calculator?

• To disable the buttons

• To add animations

• To apply a different color to operator buttons

• To change the button size

What is the final step in visually constructing the calculator?

• Connecting to a backend service

• Implementing button click events

• Adding a display for the total

• Adding sound effects

What is the next step after visually constructing the calculator?

• Adding more buttons

• Implementing onclick events for functionality

• Removing CSS styles

• Changing the layout

Which operator is included in the final row of the calculator?

• Add

• Multiply

• Subtract

• Divide

What is the initial value set in the calculator's display?

• Undefined

• 100

• 0

• 1