What are CSS-in-JS solutions

CSS-in-JS solutions are a set of methodologies that enable developers to write CSS styles directly within JavaScript. This approach allows for greater flexibility, modularization, and scope management of styles, reducing the risk of style conflicts and improving maintainability.

Some popular CSS-in-JS libraries include:

  • Styled Components
  • Emotion
  • JSS
  • Styled System

Here is a simple example of using Styled Components in a React application:

import styled from 'styled-components'; const Button = styled.button` background-color: blue; color: white; padding: 10px 20px; border: none; border-radius: 5px; &:hover { background-color: darkblue; } `; function App() { return ; } export default App;

CSS-in-JS Styled Components Emotion JSS styles JavaScript

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