Autofill ticket data for WooCommerce Tickets in Event Tickets Plus

.user.js

// ==UserScript==
// @name        Autofill Ticket Data
// @namespace   test
// @description Autofill ticket data for WooCommerce Tickets in Event Tickets Plus
//              It will add a blue button to the top right of the screen (Add new event / Edit event).
//              If you click that then ticket data will be automatically filled based on what you have in the script.
//
// @IMPORTANT: Change the domain name to yours in the below line, otherwise it will not work.
//
// @include     https://yourdomain.com/wp-admin/post-new.php?post_type=tribe_events
// @author      Andras Guseo
// @version     1
// @grant       none
// ==/UserScript==


  // ADDING THE BUTTON TO THE TOP
  var div = document.createElement('div');
  div.setAttribute('class', 'myButtonDiv');
  div.setAttribute('style', 'position: fixed; top: 60px; right: 10px; z-index:999999;');
  div.innerHTML = '<input type="button" value="Click to fill ticket data" style="background-color: #2ea3f2;color: #fff;font-weight: bold;">';
  document.body.insertBefore(div, document.body.firstChild);
  div.firstChild.addEventListener('click', runMyScript, true);

function runMyScript(){
  
  // Shows an alert before running. Delete / comment if not needed.
  alert('script running');
  
  // Scroll down
  location.href = "#";
  location.href = "#tribetickets";
  
  // Clicks the 'Add new ticket' button
  document.getElementById('ticket_form_toggle').click();
  
  // Selects the 2nd radio button. If RSVP and WooCommerce tickets are available, then WooCommerce will be selected.
  var x = document.getElementById('ticket_form_table');
  x.getElementsByTagName('tbody')[0].getElementsByTagName('tr')[1].getElementsByTagName('td')[1].getElementsByTagName('input')[1].click();
  
  // Ticket details. Adjust as needed. Delete / comment if not needed.
  // Note: The hours and minutes will not be visible in the form,
  //       but they are filled out and saved nonetheless.
  
  // Ticket Name
  document.getElementById('ticket_name').value="Single";
  
  // Ticket Description
  document.getElementById('ticket_description').value="This is a single ticket";
  
  // Start sale
  document.getElementById('ticket_start_date').value="2017-08-30";
  document.getElementById('ticket_start_hour').value="10";
  document.getElementById('ticket_start_minute').value="00";
  
  // End sale
  document.getElementById('ticket_end_date').value="2017-09-10";
  document.getElementById('ticket_end_hour').value="10";
  document.getElementById('ticket_end_minute').value="00";
  
  // Price
  document.getElementById('ticket_price').value="10";
  
  // Stock
  document.getElementById('ticket_woo_stock').value="100";
  
  // SKU
  document.getElementById('ticket_woo_sku').value="TIX-1";
  
  // Scroll down again
  location.href = "#";
  location.href = "#ticket_form_toggle";
}