This kind of design has its place but this probably isn't it. I am curious what they've used to achieve the endless scrolling type parallax. A while back I loo

This kind of design has its place but this probably isn't it. I am curious what they've used to achieve the endless scrolling type parallax. A while back I looked for libraries to achieve this and didn't find anything other than fullPage.js which doesn't seem to have an option for this (only full page transitions).