Portals
Use iframes like it's 2020... oh wait!
const portal = document.createElement('portal');
portal.src = 'https://www.meetup.com/milano-front-end/';
document.body.appendChild(portal);
// write your own interactions & animations then...
portal.activate();
Check out https://web.dev/hands-on-portals!
Chrome Canary only! 😰