FYI Firefox mobile was unable to enter dates in January. I agree this is bad practice. I have similar code in an app I'm writing right now, I also didn't consi

FYI Firefox mobile was unable to enter dates in January. I agree this is bad practice. I have similar code in an app I'm writing right now, I also didn't consider the usability issues or wierd delete cases. Gonna remove the code after reading this thread. Falls under trying to be clever. I think slightly increasing the space between groups of numbers might be acceptable? Anything that magically inserts characters seems to be problematic.