So as one data point in this comparison, I have a pretty good version of a scrolling grid plugin that swaps in and out existing row dom elements as needed and l

So as one data point in this comparison, I have a pretty good version of a scrolling grid plugin that swaps in and out existing row dom elements as needed and loads that data dynamically from a backend. It's not totally done and not ready to open-source, but it's generic enough that another day or so of work will make it so. HN records that my original comment was posted 21 hours ago, and I assure you I spent a good deal of time sleeping and eating inbetween, so this is definitely doable in html/js. Now, as to the bigger point, that most developers don't know that they should do this to get performance, or that we shouldn't have to write it ourselves, those still stand.