Skript für Tamper- Violentmonkey gesucht

// ==UserScript==
// @name             Fritzbox Test
// @description      Use you favorite favicon
// @match            https://192.168.178.1/*
// @match            http://192.168.178.1
// @match            http://192.168.178.1/#/phone-books/book/259/entry/new
// @version          1.0
// ==/UserScript==
waitForKeyElements(
 '#uiEntryname-input',
 test
);

function test() {
 document.getElementById('uiEntryname-input').value = 'Spam';
 document.getElementById('uiNumbernew1-input').focus();
 document.getElementById('uiEntryname-input').dispatchEvent(new Event('input', {bubbles: true}));
}
function waitForKeyElements(selector, callback, options) {
   const defaults = {
       waitOnce: true,    // If true (default), wait for a single matching element. If false, continue to scan for
                          //     new elements after the first match is found.
       allElements: true, // If true (default), the callback will be triggered repeatedly for every matching element.
                          //     If false, the callback will be triggered only for the first matching element.
       logTree: false     // If true, will log the full subtree to the console (useful for finding the actual element
                          //     added to the page, which may be a parent of the desired element). Default: false.
   };
   options = {...defaults, ...(options || {})};
   const elements = options.allElements ? document.querySelectorAll(selector) : [document.querySelector(selector)].filter(e => e != null);
   if (elements.length > 0) {
       // if the elements already exist, then call the function passed
       elements.forEach(element => callback(element));
       if (options.waitOnce) {
           return;
       }
   }
   let called = false;
   const observer = new MutationObserver(mutations => {
       mutations
           .filter(({addedNodes}) => addedNodes.length) // keep only newly added elements
           .forEach(({addedNodes}) => {
               [...addedNodes]
                   .filter(element => {
                       if (element?.querySelector?.(selector)) {
                               document.getElementById('uiEntryname-input').value = 'Spam';
                               document.getElementById('uiEntryname-input').dispatchEvent(new Event('input', {bubbles: true}));
                               document.getElementById('uiNumbernew1-input').focus();
                       }
                       //return true;
                   })
                   .filter(element => element?.matches?.(selector))
                   .forEach(element => {
                       if (options.allElements || !called) {
                           if (options.waitOnce) {
                               observer.disconnect(); // here in case the callback modifies the elements
                           }
                           called = true; // cancel the callback only when actually matched
                           callback(element, observer);
                       }
                   });
           });
   });
   observer.observe(document.body, {
       childList: true,
       subtree: true
   });
}