🎈 Events 🎈 [ 기본 예제 ] App.jsx import React from 'react'; class App extends React.Component { constructor(props) { super(props); this.state = { data: 'Initial data...' } this.updateState = this.updateState.bind(this); }; updateState() { this.setState({data: 'Data updated...'}) } render() { return ( CLICK {this.state.data} ); } } export default App; main.js import React from 'react'; import ReactDO..