Very Simple Steam Winter Sale 2015 Auto Clicker

// ==UserScript==
// @name         Very Simple Steam Winter Sale 2015 Auto Clicker Script, now updated for winter sale 2018
// @namespace    http://onedesign.me/
// @version      0.3
// @description  Simple auto clicker script. It checks on every page load if button with specific id or class exists and click on it. You can use it to loop through queues required to get the cards. How to use it? Since script always checks for queue, enable the script go to Steam home page or your queue, let it loop, and once you get 3 cards disable the script. 
// @author       Aleksandar
// @match        https://store.steampowered.com/*
// @grant        none
// @require      https://code.jquery.com/jquery-latest.js
/* globals jQuery, $, waitForKeyElements */
// ==/UserScript==


  if ($('.btn_next_in_queue').length){
   $('.btn_next_in_queue').trigger('click');
  }

  if ($('#refresh_queue_btn').length){
   $('#refresh_queue_btn').trigger('click');
  }

  if ($('.discovery_queue_overlay_bg').length){
   $('.discovery_queue_overlay_bg').trigger('click');
  }

  if ($('.agegate_text_container').length){
    $('.btn_grey_white_innerfade').first().trigger('click');
  }

  if ($('#agecheck_form').length){
    $('#agecheck_form').children('.btnv6_blue_hoverfade').trigger('click');
  }