React JS

What is the correct command to create a new React project?

• npx create-react-app my-app

• npm create-react-app my-app

• npx create-react-app

• npm create-react-app my-app

What does 'my-app' refer to in the command

npx create-react-app my-app?

• The directory that you want to create your app in

• The type of app you want to create

• The name you want to use for your new app

• The name of an existing app

What command is used to start the React local development server?

• npm run

• npm start

• npm run dev

• npm build

What is the children prop?

• A property that lets you pass data to child components

• A property that lets you nest components in other components

• A property that lets you set an object as a property

• A property that lets you add child values to state

React components must start with a capital letter

• True

• False

Which operator can be used to conditionally render a React component?

• ??

• ||

• ::

• &&

When rendering a list using the JavaScript map() method, what is required for each element rendered?

• id

• data

• key

• index

Which of the following is NOT a rule for React Hooks?

• Hooks cannot be conditional

• Hooks can only be called at the top level of a component

• Hooks can be called in class or function components

• Hooks can only be called in inside React function components