Turn your browser into a Markdown editor in one line of code

Open a browser tab and paste this next line in the address bar:

  data:text/html, <div style="font-size:1em;position:absolute;top:0;right:0;bottom:0;left:0" id="e"></div><script src="http://d1n0x3qji82z53.cloudfront.net/src-min-noconflict/ace.js"></script><script>ace.edit("e").getSession().setMode("ace/mode/markdown")</script>