<p>Hello</p>
<p class="selected">Hello Again</p>
<div><span>And Again</span></div>

body {
  height: 200vh;
}

{
  $(window).on('scroll', () => console.log($(window).scrollTop()))
  $(window).scrollTop(80)
}

{
  window.addEventListener('scroll', () => console.log(document.scrollingElement.scrollTop))
  window.scrollTo(0, 80)
}