code: function() {
  				// Removing an element can call teardown which
  				// unregister the nodeList which calls teardown
  				if (!tornDown) {
  					tornDown = true;
  					unbind(data);
  					if (removalDisposal) {
  						removalDisposal();
  						removalDisposal = undefined;
  					}
  				}
  				return true;
  			}
docs: #### setup Setup a live listener on an element that binds now, but unbinds when an element is no longer in the DOM