code: function() {
  				that.debug.groupStart( 'mouseNear' ); // %REMOVE_LINE%
  
  				updateSize( that, this );
  				var offset = that.holdDistance,
  					size = this.size;
  
  				// Determine neighborhood by element dimensions and offsets.
  				if ( size && inBetween( that.mouse.y, size.top - offset, size.bottom + offset ) && inBetween( that.mouse.x, size.left - offset, size.right + offset ) ) {
  					that.debug.logEnd( 'Mouse is near.' ); // %REMOVE_LINE%
  					return true;
  				}
  
  				that.debug.logEnd( 'Mouse isn\'t near.' ); // %REMOVE_LINE%
  				return false;
  			}
docs: Checks whether mouseY is around an element by comparing boundaries and considering an offset distance.