Paste into console to scroll forever and be able to stop it later. Perfect for screen scraping and just printing a pdf of most sites who forever load.

gistfile1.txt

var scrollInt = 0;
function ScrollForever() {
  scrollInt = window.setInterval(function() {window.scrollTo(0,document.body.scrollHeight);}, 1000);
}
function StopScrolling() {
  window.clearInterval(scrollInt);
}
ScrollForever();