To minimize time/cpu cycles needed to update elements enclose then into overflowed elements.

This slider is bound with code#bottles-value that uses overflow:hidden; There 00 bottles on the wall

And this one is bound with code#no-bottles-value that resides in container with overflow:hidden;

There 00 bottles on the wall

And this one is bound with code#no-bottles-value that does not use overflow:hidden;

There 00 bottles on the wall

Use Process Explorer or similar tool to see difference in CPU load while changing values of these two sliders.