React Online Editor

Write, Run & Share React code online using OneCompiler's free React playground. React is a JavaScript library for building user interfaces, developed by Meta.

About React

React lets you build reusable UI components. The playground supports JSX via Babel standalone.

Counter Example

function App() {
  const [n, setN] = React.useState(0);
  return <button onClick={() => setN(n+1)}>Count: {n}</button>;
}