React.js入门小案例

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>菜鸟教程 React 实例</title>
    <script src="http://static.runoob.com/assets/react/react-0.14.7/build/react.min.js"></script>
    <script src="http://static.runoob.com/assets/react/react-0.14.7/build/react-dom.min.js"></script>
    <script src="http://static.runoob.com/assets/react/browser.min.js"></script>
  </head>
  <body>
    <div id="example"></div>
    <script type="text/babel">
    
      var HelloMessage=React.createClass({
        getInitialState:function(){
          return {value:'TTTK'};
        },
        handleChange:function(event){
          this.setState({value:event.target.value});
        },
        render:function(){
          var value=this.state.value;
          return(
            <div>
                <Content myDataProp={value} updateStateProp={this.handleChange}></Content>
            </div>
          );
        }, 
    });
    var Content=React.createClass({
      render:function(){
        return(
          <div>
            <input type="text" value={this.props.myDataProp} onChange={this.props.updateStateProp}/>
            <h4>{this.props.myDataProp}</h4>
          </div>
        );
      },
      });
    ReactDOM.render(
      <HelloMessage/>,
      document.getElementById("example")
    );
    </script>
  </body>
</html>
　　react.js小案例（input框值变，对应变）