Re-rendering

demo.js

import React from 'react';
import ReactDOM from 'react-dom';
import {Gmaps, Marker} from 'react-gmaps';

const coords = {
  lat: 51.5258541,
  lng: -0.08040660000006028
};

const App = React.createClass({

  handleClick() {
    this.forceUpdate();
  },

  render() {
    return (
      <div>
        <Gmaps
          width={400}
          height={300}
          lat={coords.lat}
          lng={coords.lng}
          zoom={12}>
          <Marker
            lat={coords.lat}
            lng={coords.lng} />
        </Gmaps>
        <button onClick={this.handleClick}>Re-render</button>
      </div>
    );
  }

});

ReactDOM.render(<App />, document.getElementById('gmaps'));