How do information bars work, for example, the one that appears on stackoverflow when you win an icon?

Question

When you win the SO badge, an information bar appears on the top bar. It looks like jQuery, but how is it implemented?

Answer 1

Note this: GROWL

If you code thin, simple css, you can easily do a stackoverflow view without programming.

Answer 2

div, , , , . jQuery show animate(), margin-top 0. , slideDown(), animate() .