payload-wo-fuel.js

// ==UserScript==
// @name         Total w/o fuel
// @namespace    http://tampermonkey.net/
// @version      2023-12-13
// @description  try to take over the world!
// @author       José Silva Jr.
// @match        https://server.fseconomy.net/myflight.jsp
// @icon         https://www.google.com/s2/favicons?sz=64&domain=fseconomy.net
// @grant        none
// ==/UserScript==
/* global $ */

$(document).ready(function() {
  const table = $('.myflight-assignments table:eq(2)')
  const row = $(table).find('tbody tr:eq(1)')
  const fuel = $(row).find('td:eq(2)').text()
  const total = $(row).find('td:eq(7)').text()
  const payloWithoutFuel = Number(total.replace(/[^0-9]/g, '')) - Number(fuel.replace(/[^0-9]/g, ''))
  const payloadInPounds = Math.round(payloWithoutFuel * 2.20462)
  $(row).find('td:eq(7)').text(`${total} (${Intl.NumberFormat('en-US').format(payloWithoutFuel)}Kg / ${Intl.NumberFormat('en-US').format(payloadInPounds)}Lb)`)
})