demo.fan / KKTIX

// ==UserScript==
// @id             KKTIX
// @name           KKTIX
// @version        1.2
// @namespace      demo
// @author         demo.fan
// @description    
// @include        https://kktix.com/dashboard/events/*/orders
// @require        http://ajax.aspnetcdn.com/ajax/jquery/jquery-1.11.1.js
// @run-at         document-end
// ==/UserScript==
$(document) .ready(function () {
  setTimeout(sumCommission, 1500);
});
function sumCommission()
{
  var total = 0;
  var payment_fee=$("[data-mdata='payment_fee']").index();
  $('table tr') .each(function (index) {
    var $current = $(this);
    var tmp = parseInt($current.find('td:eq('+payment_fee+') .currency-value') .text().replace(',',''), 10);
    if (isNaN(tmp) === false)
    {
      total += tmp;
    }
  });
  $('table tr th:eq('+payment_fee+')') .html('$ ' + total) .css('color', 'red');
}