elect.js

class Vote extends React.Component {
  constructor(){
    super();
    this.state = {
      message: "Click on an image to vote"
    };
    this.voteForBuhari = this.voteForBuhari.bind(this);
    this.voteForFela = this.voteForFela.bind(this);
    this.voteForSowore = this.voteForSowore.bind(this);
  }
  voteForBuhari() {
    this.setState({
      message: "You just voted for Mohammadu Buhari"
    });
  }
  voteForFela() {
    this.setState({
      message: "You just voted for Fela Durotoye"
    });
  }
  voteForSowore() {
    this.setState({
      message: "You just voted for Sowore"
    });
  }
  render() {
    return (
      <div>
        <div class="row container center-block">
          <h1>{this.state.message}!</h1>
          <div class="col-sm-4">
            <img 
              src="assets/images/buhari.jpg" 
              onClick={this.voteForBuhari} 
            />
          </div>
          <div class="col-sm-4">
            <img 
              src="assets/images/fela.jpg" 
              onClick={this.voteForFela} 
            />
          </div>
          <div class="col-sm-4">
            <img 
              src="assets/images/sowore.jpg" 
              onClick={this.voteForSowore} 
            />
          </div>
       </div>
     </div>
    );
  }
}
ReactDOM.render(
  <Vote/>,
  document.getElementById('root')
);