AWS, JavaScript, React - Deploy Web Apps on the Cloud - Hello, React

This video tutorial introduces React, guiding viewers through setting up a basic HTML file and incorporating React and ReactDOM scripts. It demonstrates creating a simple React element and rendering it using ReactDOM. The tutorial emphasizes React's minimal setup and usage, providing a foundational understanding of React's capabilities. The video concludes by suggesting a transition from Notepad to Codepen for more advanced development.

What is the first step in creating a simple React page?

• Set up a server

• Create a new HTML file

• Install React using npm

• Download a React template

Which version of React is used in the tutorial?

• React 15

• React 18

• React 17

• React 16

What is the purpose of the 'root' division in the HTML file?

• To style the page

• To act as a placeholder for React components

• To store JavaScript variables

• To link CSS files

What is the correct syntax to create a React element?

• React.newElement('h1', 'Hello')

• React.createElement('h1', 'Hello')

• React.create('h1', 'Hello')

• React.element('h1', 'Hello')

What is the role of ReactDOM in a React application?

• To style components

• To manage state

• To handle user input

• To render components in a web browser

Which method is used to render a React element into the DOM?

• ReactDOM.render()

• ReactDOM.show()

• ReactDOM.insert()

• ReactDOM.display()

What is the alternative to using a CDN for importing React in a real project?

• Downloading from the official website

• Using a local server

• Using a package manager like npm or yarn

• Using a cloud service