JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://fb.me/react-with-addons-0.12.0.js"></script>
<script src="http://fb.me/JSXTransformer-0.12.0.js"></script>
<script src="http://fb.me/react-js-fiddle-integration.js"></script>

JavaScript 1.7

var MyApp = React.createClass({
  getInitialState: function(){
      return {
          vorname: this.props.vorname,
          nachname:  this.props.nachname,
      }
  },
  handleChange: function(){
      var firstName = this.refs.vorname.getDOMNode().value;
      var lastName = this.refs.nachname.getDOMNode().value;
      this.setState({
          vorname: vorname,
          nachname: lastName,
              });
  },
  render: function() {
    var ganz = this.state.vorname + this.state.nachname;
    return (
        <div>
        Vorname: <input ref="vorname" onChange={this.handleChange} value={this.state.vorname}/><br/>
        Nachname: <input ref="nachname" onChange={this.handleChange} value={this.state.nachname}/><br/>
        Kompletter Name: {ganz}
        </div>);
  }
});