显示隐藏.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    .test{
      background: #f90;
      height: 200px;
    }
  </style>
  <script src="./js/react.js"></script>
  <script src="./js/react-dom.js"></script>
  <script src="./js/browser.js"></script>
  <script type="text/babel">
    class ShowHide extends React.Component{
      constructor(props) {
        super(props);
        this.state = {
          display: "block"
        }
      }
      showhide(){
        this.setState({
          display: this.state.display == 'block'? "none": "block"
        })
      }
      render() {
        return <div>
          <button onClick={this.showhide.bind(this)}>{this.props.title}</button>
          <div className="test" style={this.state}></div>
        </div>
      }
    }
    ReactDOM.render(
      <ShowHide title="show/hide"/>,
      document.getElementById("div1")
    );
  </script>
</head>
<body>
  <div id="div1"></div>
</body>
</html>