In JavaScript how do you move the animation up and down

Question

var t = setInterval(move, 10);
var position = 0;
var box = document.getElementById("box")
function move( ) {
if(position >= 300) {
var x = setInterval(go, 10)
function go(){
position -+= 1
box.style.right = position + "px"
}

Answer 1

https://code.sololearn.com/WxscUzq3qipY/?ref=app

Answer 2

https://code.sololearn.com/Wys9sCI87AvL/?ref=app

Answer 3

Predator
Use css top property to move a box up and down.

https://code.sololearn.com/Wdrep3M5X2cW/?ref=app