Widget Basic ReactJs

app.js

/**
 * Created by clarico on 29/04/2015.
 */
var App = React.createClass({
    getInitialState: function () {
        return {
            txt: ""
        }
    },
    update: function (e) {
        this.setState({txt: e.target.value});
    },
    render: function () {
        return (
            <div>
                <Widget txt={this.state.txt} update={this.update}/>
                <Widget txt={this.state.txt} update={this.update}/>
                <Widget txt={this.state.txt} update={this.update}/>
                <Widget txt={this.state.txt} update={this.update}/>
                <Widget txt={this.state.txt} update={this.update}/>
            </div>
        );
    }
});

var Widget = React.createClass({
    render:function(){
        return (
            <div>
                <input type="text" onChange={this.props.update} />
                <br/>
                <b>{this.props.txt}</b>
            </div>
        );
    }
 });

React.render(<App txt="Ingrese su nombre"/>, document.body);