gistfile1.txt

// partial code
// You can tighten this up
  return {
            setPosition: setPosition,
            getPosition: getPosition,
            incrPosition: incrPosition,
            decrPosition: decrPosition,
            resetPosition: resetPosition,
            addMarker: addMarker,
            nextLocationShow: nextLocationShow,
            prevLocationShow: prevLocationShow,
            render: render
        };
        
  // Like this
  
    return {
            setPosition,
            getPosition,
            incrPosition,
            decrPosition,
            resetPosition,
            addMarker,
            nextLocationShow,
            prevLocationShow,
            render,
        };