React inverter

Inverter.js

var Inverter = React.createClass({
    getInitialState: function() {
        return {
            text: ""
        };
    },
    textChange: function(event) {
        this.setState({
            text: event.target.value
        });
    },
    render: function() {
        return (
            <div>
                <input onChange={this.textChange} value={this.state.text}></input>
                <h1>{this.state.text.split('').reverse().join('')}</h1>
            </div>
        );
    }
});