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DOM scripting by example Editing names

My code worked up to Adding names, then fell apart with editing and filtering names. I've proofread several times. Can someone please help? This is very frustrating. (I took a snapshot, but I don't see how to add it here so I just copied and pasted.)

const form = document.getElementById('registrar');
const input = form.querySelector('input');

const mainDiv = document.querySelector('.main');
const ul = document.getElementById('invitedList');

const div = document.createElement('div');
const filterLabel = document.createElement('label');
const filterCheckbox = documnet.createElement('input');

filerLabel.textContent = "Hide those who haven't responded";
filterCheckbox.type = 'checkbox';
mainDiv.insertBefore(div, ul);
filterCheckbox.addEventListener('change', (e) => {
  const ifChecked = e.target.checked;
  const lis = ul.children;
  if (isChecked) {
    for (let i = 0; i < lis.length; i += 1) {
      let li = lis[i];
      if (li.className === 'responded') {
        li.style.display = '';
       } else {
          li.style.display = 'none';
    } else {
      for (let i = 0; i < lis.length; i += 1) {
        let li = lis[i];     

function createLI(text){
  const li = document.createElement('li');
  const span = document.createElement('span');
  span.textContent = text;
  const label = document.createElement('label');

  label.textContent = 'Confirmed';
  const checkbox = document.createElement('input');
  checkbox.type = 'checkbox';

  const editButton = document.createElement('button');
  editbutton.textContent = 'Edit';

  const removeButton = document.removeElement('button');
  removebutton.textContent = 'Remove';
  return li;

form.addEventListener('Submit', (e) =>{
  const text = input.value;
  input.value = '';
  const li = createli(text);


ul.addEventListener('change', (e) => {
  const checkbox = e.target;
  const checked = checkbox.checked;
  const ListItem = checkbox.parentNode.parentNode;
      ListItem.className = 'responded';
      ListItem.className = '';

ul.addEventListener('click', (e) => {
  if(e.target.tagName === 'BUTTON'){
      const button = e.target;
      const li = e.target.parentNode;
      const ul = li.parentNode;

      if(button.textContent === 'Remove'){
       } else if  (button.textContent = 'Edit') {
         const span = li.firstElementChild;
         const input = document.createElement('input');
         input type = 'text';
         input.value = span.textContext;
         li.insertBefore(input, span);
         button.textContent = 'Save'; 
      else if (button.textContent === 'Save'){
        const input=li.firstElementChild;
        const span = document.createElement('span');
        span.textContext = input.value;
        li.insertBefore(span, input);
        button.textContent = 'Edit';


Steven Parker
Steven Parker
229,981 Points

When you make a workspace snapshot, you post the link (the URL) to it here. It would also be helpful to provide a link to the course page you are working with, and describe the behavior you call "fell apart" in a bit more detail.