alt Hacker NewsHow does that differ from 'when asked to load more items, simply take the entire list (which may have changed) and remove the items already shown on previous pages'?
How does that differ from 'when asked to load more items, simply take the entire list (which may have changed) and remove the items already shown on previous pages'?
The fact that, in general, you don’t know what was on the previous pages, if anything. The user may just randomly decide to open page 3 without having visited the previous two pages. Or they clicked “next” after having page 2 open on their computer for several days and meanwhile they used your website on a different device.