the next point we got here is please avoid trailing commas at the end of JS objects. Let me explain this with example. If you use a comma here, there will be no problem with the codes. but it will be completely unnecessary. But themeforest doesnot want u to do that.
the next point is reduntant;;;; as you can see here.. there are 3 functions . but we could use it only one time, right? using it 3 times will be unnecessary.
you need to validate your html template from here.