Gmaps Update

demo.js

import React from 'react';
import {Gmaps} from 'react-gmaps';

const App = React.createClass({

  getInitialState() {
    return {
      lat: 51.5258541,
      lng: -0.08040660000006028
    };
  },

  handleClick() {
    this.setState({
      lat: this.state.lat + 1
    });
  },

  render() {
    return (
      <div>
        <Gmaps
          width={'50%'}
          height={'500px'}
          lat={this.state.lat}
          lng={this.state.lng}
          zoom={4} />
        <button onClick={this.handleClick}>Update</button>
      </div>
    );

  }

});

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