title: Shopify: get current logged in user ID in JavaScript
body: <p>I'm trying to build an app for shopify and I'm interested if I can get the current logged user ID using javascript api or something similar.
  I was looking at the ajax api: <a href="http://docs.shopify.com/support/your-website/themes/can-i-use-ajax-api" rel="noreferrer">http://docs.shopify.com/support/your-website/themes/can-i-use-ajax-api</a> and I can see you can get the current products that the current user has added to his shopping cart, but nothing about the user ID.</p>
  
  <p>Is it possible, or am I missing something?</p>