Podcast
Questions and Answers
What is JSX?
What is JSX?
- A markup syntax that allows you to put markup into JavaScript (correct)
- A JavaScript library
- A server-side rendering tool
- A CSS framework
What is JSX?
What is JSX?
- A CSS preprocessor
- A front-end framework
- A markup syntax that allows you to put markup into JavaScript (correct)
- A JavaScript library
What is JSX?
What is JSX?
- A data storage system
- A markup syntax that allows you to put markup into JavaScript (correct)
- A JavaScript library
- A CSS library
What is the purpose of the useState Hook?
What is the purpose of the useState Hook?
How can CSS be added to a React component?
How can CSS be added to a React component?
How can CSS be added to a React component?
How can CSS be added to a React component?
How can you render a list of components in React?
How can you render a list of components in React?
How can data be displayed in a React component?
How can data be displayed in a React component?
How can conditions be rendered in a React component?
How can conditions be rendered in a React component?
How can conditions be rendered in a React component?
How can conditions be rendered in a React component?
How can lists of components be rendered in a React component?
How can lists of components be rendered in a React component?
What is the purpose of props in React?
What is the purpose of props in React?
How can events be handled in a React component?
How can events be handled in a React component?
How can lists of components be rendered in a React component?
How can lists of components be rendered in a React component?
What is the purpose of the className attribute in React?
What is the purpose of the className attribute in React?
What is the useState Hook used for in React?
What is the useState Hook used for in React?
How can events be handled in a React component?
How can events be handled in a React component?
What are hooks in React?
What are hooks in React?
What are hooks in React?
What are hooks in React?
What is the useState Hook used for in React?
What is the useState Hook used for in React?
How can you handle events in React components?
How can you handle events in React components?
What are props used for in React?
What are props used for in React?
What are props used for in React?
What are props used for in React?
What is the purpose of the map() function in React?
What is the purpose of the map() function in React?
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Study Notes
Introduction to React Concepts
- React apps are made up of components that have their own logic and appearance
- Components can be nested into other components
- JSX is a markup syntax that allows you to put markup into JavaScript
- CSS can be added using className and a separate CSS file
- Data can be displayed using curly braces to escape into JavaScript
- Conditions can be rendered using if statements or the conditional ? operator
- Lists of components can be rendered using the map() function and a unique key attribute
- Events can be handled by declaring event handler functions inside components
- State can be added to components using the useState Hook
- Hooks are functions starting with "use" that are more restrictive than other functions
- Data can be shared between components by moving state up to the closest component containing all of them
- Props are used to pass information down from parent components to child components
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