IntersectionObserver.js

IntersectionObserver.sj

  root = document.querySelector('#shortcut-menu');
  element = document.querySelector("#render_async_bf86d55cff1564565792")

  var observer = new IntersectionObserver(function(entries) {
  console.log("interaction ", entries)
    if (entries[0].intersectionRatio) {
      console.log('visible');
    } else {
      console.log('hidden');
    }
  }, {
    root: root
  });

  observer.observe(element);