Fix Vodafone's router UI to be able to auto-fill the user/password again

fix-vodafone-router.user.js

// ==UserScript==
// @name Fix dumb "new" Vodafone router page
// @namespace http://192.168.1.1//
// @include /http:\/\/(192\.168|10\.(\d{1,3})|172\.(\d+))\.(\d+).1\/login.html/
// @license	https://opensource.org/licenses/MIT
// @grant none
// ==/UserScript==

// Uses a regex so that your router can be configured on any local IP.

/*
  This fixes the router's login page so that it includes "id" and "username" on both username and password
  fields (I'm using its CSS selector to get them) so that KeePass/1Password/LastPass/etc can grab the fields
  and auto-fill them.
*/
(function(window, document) {
  window.addEventListener('load', function() {
    
    if(document.querySelector("#info > span:nth-child(1)").textContent.match(/VOX25-v3.4.02/)) {
      const udiv = document.querySelector("div.row:nth-child(2) > div:nth-child(1) > input:nth-child(1)")
      const pdiv = document.querySelector("div.row:nth-child(3) > div:nth-child(1) > input:nth-child(1)")
      udiv.setAttribute("id", "username")
      udiv.setAttribute("name", "username")
      pdiv.setAttribute("id", "password")
      pdiv.setAttribute("name", "password")
    } else {
      // Silently fail. Otherwise:
      // alert("UserScript alert: Please check the Vodafone router userscript and adapt for version changes")
    }
  })
})(window, document)