code:

var c = document.getElementById('bigCookie');
var cstr = 'click';
var i, products, upgrades;
var cme = function() {
 for (i = 0; i < 100; i++) {
   c.dispatchEvent(new Event(cstr));
 }
 upgrades = document.getElementsByClassName('upgrades');
 for (i = 0; i < upgrades.length; i++) {
   upgrades[i].dispatchEvent(new Event(cstr));
 }
 products = document.getElementsByClassName('product');
 for (i = 0; i < products.length; i++) {
   products[i].dispatchEvent(new Event(cstr));
 }
 setTimeout(cme, 0);
}
cme();