javascript adjust div (show/hide) display according to window scroll bar

Question

how to change the div position, i.e in opsolute position, up or down according to window scroll position ?

if there any information regarding this, please help me out.

or if there any example over this please share.

thanks in advance

Answer 1

It's hard to understand what you're saying, but could you be looking for position:fixed instead of position:absolute? Fixed position elements don't scroll with the rest of the page, but remain at a specific position in the window.