React

by Porfirio Chavez

HTML

<div id="root"></div>

CSS

h1 {
  font-size: 20px;
  font-family: Verdana;
}

React

const { useState } = React;

      const App = () => {
        const [counter, setCounter] = useState(0);
        return (
          <div>
            <h1>Hola React.js</h1>
            <button onClick={() => setCounter(counter + 1)}>
              Presioname 😆
            </button>
            <div>Contador de clicks: {counter}</div>
          </div>
        );
      };

      ReactDOM.render(<App />, document.getElementById("root"));