Automatically scroll on a page (for getting lazy-loaded pages)

scroll.js

/*
   Automatically scroll on a page (for getting lazy-loaded pages).
   Run in the console.
   UPDATE: Now shows percentage
*/

var scroll_units = 1000;
var scroll_iterations = 30;
var scroll_delay = 2000;
var iterations = 0;
var percent = 0;
var percent_string = '#';
var total_percent_units = 50;
var percent_spacing = '';
console.clear();

var interval = setInterval(
  function() {
     scrollBy(0, scroll_units);
     percent = ((iterations) / scroll_iterations) * total_percent_units;
     percent_string = '#';
     percent_spacing = '';
     for(var i = 0; i < Math.ceil(percent); i++) {
        percent_string += '#';
     }
     for(var i = 0; i < total_percent_units - Math.ceil(percent); i++) {
        percent_spacing += ' ';
     }
     console.clear()
     console.log("[" + percent_string + percent_spacing + "] " + (Math.ceil(100 * percent / total_percent_units)).toString() + " percent");
     iterations++;
     if(iterations > scroll_iterations) {
        clearInterval(interval);
     }
  }, scroll_delay)

You can cancel this in the console with clearInterval(interval)

If the percentage thing is unnecessary, you can simply use:

var scroll_units = 1000;
var scroll_iterations = 30;
var scroll_delay = 2000;
var iterations = 0;
var interval = setInterval(
function() {
    scrollBy(0, scroll_units);
    iterations++;
    if(iterations > scroll_iterations) {
        clearInterval(interval);
    }
}, scroll_delay)