React Flashcards
1
Q
What is React?
A
A JavaScript library that combines front-end components into JavaScript. (HTML and CSS)
2
Q
What is a React element?
A
An object representation of the DOM.
3
Q
How do you mount a react element to the dom?
A
ReactDOM.createRoot . render()
4
Q
What is JSX?
A
JSX is a syntax extension for JavaScript that lets you write HTML-like markup inside a JavaScript file.
5
Q
Why must the React object be imported when authoring JSX in a module?
A
Because JSX works with React through ReactDOM.createRoot.render()
If you don’t it will be undefined and the call will fail.
6
Q
How can you make Webpack and Babel work together to convert JSX into valid Javascript.
A
Use babel-loader, @babel/core, @babel/plugin-transform-react-jsx
