📜  双向绑定反应 - Javascript代码示例

📅  最后修改于: 2022-03-11 15:03:37.602000             🧑  作者: Mango

代码示例1
class App extends React.Component {
  constructor() {
    super();
    this.state = {value : ''}
  }
  handleChange = (e) =>{ 
    this.setState({value: e.target.value});
  }
  render() {
    return (
    
{this.state.value}
) } } ReactDOM.render(, document.getElementById('app'));