code: function interact (element, options) {
          return interactables.get(element, options) || new Interactable(element, options);
      }
docs: /*\
  interact
  [ method ]
  
  The methods of this variable can be used to set elements as
  interactables and also to change various default settings.
  
  Calling it as a function and passing an element or a valid CSS selector
  string returns an Interactable object which has various methods to
  configure it.
  
  - element (Element | string) The HTML or SVG Element to interact with or CSS selector
  = (object) An @Interactable
  
  > Usage
  | interact(document.getElementById('draggable')).draggable(true);
  |
  | var rectables = interact('rect');
  | rectables
  |     .gesturable(true)
  |     .on('gesturemove', function (event) {
  |         // something cool...
  |     })
  |     .autoScroll(true);
  \