Looking for an effect but don't know the name of it so I can't really search for it

I'm attempting to make an effect for a counter on a website, similar to the one that you could see on old tran stations timetables (how the numbers on the right side of the picture changed) either that or the effect where a number goes up as the new number comes from underneath much like how cars change the number that displays the amount of kilometers traveled.

I need some examples to get started but can't thi开发者_JAVA技巧nk on the name of it. Any help please?

http://keith-wood.name/flightBoard.html

(the site seems quite slow or heavy, didn't look into that, but the effect seems to be what you're looking for)

I would call that a flip counter. Have a look at this JavaScript Flip Counter

The famous example is the apple 1 billion app counter