Back in html 4 days we did this shenanigans all the time. I worked on very over the top sites that played with multiple windows talking to each other and moving

Back in html 4 days we did this shenanigans all the time. I worked on very over the top sites that played with multiple windows talking to each other and moving in synchrony. I’ve tried looking for examples on archive.org (eg I know we did this a ton on flash heavy sites like design museum in London ) but alas the ones I was looking for a broken in that archive.