title: W3Schools Try-it Editor
body: <p>Does anyone know how to get, or where to get, or how to make, or where to find a tutorial, about the <a href="http://www.w3schools.com/html/tryit.asp?filename=tryhtml_basic" rel="nofollow noreferrer">w3schools try it editor</a>? </p>
  
  <p>I need an editor like it, so when typing js/html/css the code be accepted and shown like the tryit editor.</p>