javascript auto scroll on bottom

window.scrollTo(0,document.body.scrollHeight);window.setInterval(function() {
  var elem = document.getElementById('data');
  elem.scrollTop = elem.scrollHeight;
}, 5000);
const scrollToTop = () => {
  const scrollTopButton = document.getElementById('scrollTopButton');

  scrollTopButton.addEventListener('click', () => {
    window.scrollTo(0, document.body.scrollHeight);
  });
};