JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://yandex.st/highlightjs/7.3/styles/default.min.css">
<script src="http://yandex.st/highlightjs/7.3/highlight.min.js"></script>
<script src="https://rawgit.com/chjj/marked/master/lib/marked.js"></script>
<div id="output"></div>
<script id="test" type="text/markdown">
# Markdown test

Some random test markdown. *Italics.*

```javascript
function foo() {
  var bar = "baz";
  return {
    test: true
  };
}
```

More text.
  </script>

JavaScript

marked.setOptions({
      highlight: function(code) {
          return hljs.highlightAuto(code).value;
        }
    });
    var out = document.getElementById('output'),
        mdown = document.getElementById('test');

    out.innerHTML = marked(mdown.textContent);