Google地图信息窗口左箭头，右箭头传递TypeError：无法读取未定义的属性'__e3_'？

I have category wise filter marker with left side ,right side move marker .while moviving one marker to another marker using right or left click console i am getting error like TypeError: Cannot read property '__e3_' of undefined.i have tried to solve this but i can't able to solve pls help me out for this? here is my demo I have category wise filter marker with left si