how to hide a navbar on top of the page when scrolling down and then show when scrolling top !?!?

Answer 1

i think it's best with jquery

Answer 2

https://code.sololearn.com/WBgY8wmRYpy2/?ref=app

Here you go...

Answer 3

what does this line do window.scrollY > previous ? down() : up();??!

Answer 4

To detect scroll up or down