// Select the target node.
var target = document.querySelector('.YOUR-PAGINATED-ELEMENT > div')
// Create an observer instance.
var observer = new MutationObserver(function(mutations) {
$([document.documentElement, document.body]).animate({
scrollTop: $("#YOUR-TARGET").offset().top
}, 2000);
});
// Pass in the target node, as well as the observer options.
observer.observe(target, {
attributes: true,
childList: true,
characterData: true
});