Infinite scrolling script to keep scrolling with 100ms delay https://www.agenty.com/docs/scraping-agent/infinite-scrolling-load-more-and-next-click-pagination-in-web-scraping

slow-infinite-scroll

var totalHeight = 0;
var distance = 100;
var timer = setInterval(() => {
    var scrollHeight = document.body.scrollHeight;
    window.scrollBy(0, distance);
    totalHeight += distance;
    
    if (totalHeight >= scrollHeight) {
        clearInterval(timer);
    }
}, 100);