DoJS based on https://t.co/2swl4ne8

gistfile1.html

data:text/html, 

<title>DoJS</title>
<style type="text/css">

#e{position:absolute;top:0;right:0;bottom:0;left:0;}

</style>

<div id="e"></div>

<script src="http://d1n0x3qji82z53.cloudfront.net/src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script>

<script>
  var e=ace.edit("e");
	e.setTheme("ace/theme/monokai");
	e.getSession().setMode("ace/mode/javascript");
</script>