React

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>ESP8266 Control</title>
  <script src="https://npmcdn.com/react@15.3.0/dist/react.js"></script>
  <script src="https://npmcdn.com/react-dom@15.3.0/dist/react-dom.js"></script>
  <script src="https://npmcdn.com/babel-core@5.8.38/browser.js"></script>
  <script src="https://npmcdn.com/jquery@3.1.0/dist/jquery.min.js"></script>
  <script src="https://npmcdn.com/remarkable@1.6.2/dist/remarkable.min.js"></script>
</head>
 
<body>
 
<div id="content"></div>
 
<script type="text/babel">
  var Slider = React.createClass ({
    componentDidMount: function() {
 
    },
    render: function(props) {
 
    } 
  });
  ReactDOM.render(  <Slider />, document.getElementById('content') );
 
</body>
</html>

Variable inside quotes

Bad:

<img className="image" src="images/{this.props.image}" />

Ok:

<img className="image" src={"images/" + this.props.image} />

<img className="image" src={`images/${this.props.image}`} />