Rails在使用Ajax时创建重复记录并进行双重调用以删除相同记录

I have initially created a ROR project (which worked perfectly) and now trying to implement Ajax into this as my client side project. I have been using Rails for a while but this is my first experience with Ajax. For some reason when I am adding a new instance of ExerciseLogs, Rails creates 2 exact same records of it.I have initially created a ROR project (which w