title: How to get facebook user ID or name without Facebook Application
body: <p>I'm working on web app which is NOT a Facebook Application.
  I want to get current logged user's ID (I'm not sure if this is the right expression, I mean facebook.com/<strong>userid</strong> ) or user's name using Javascript.
  <br>Please if you don't know how to do it or if you don't have any suggestion what should help me, <strong> don't comment </strong>, thanks.<br><br>How can I do this?</p>