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FREE React Javascript Questions and Answers
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Which command should be used to start a new React project?
npm create-react-app my-app
npm create-react-app my-app
npx create-react-app my-app
npx create-react-app my-app
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What does the command's reference to "my-app" mean?
npx create-react-app my-app
The title that you want to give your new app
The brand of a current app
What kind of software you want to develop
The location where you wish to put your app
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Which command is used to launch the local development server for React?
npm run
npm run dev
npm build
npm start
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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
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React components must start with a capital letter
True
False
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When rendering a list using the JavaScript map() method, what is required for each element rendered?
ID
Data
Key
Index
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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
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