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JavaScript

Posted by Derek Vha
Derek Vha
10,452 Points

Errors on this Javascript Workspace (by default)

Hi,

I'm not sure whether its a error in my code or not, but in the last few workspaces in the Javascript / DOM Manipulation videos, we get null errors on the button clicks:

Here is the javascript:

const toggleList = document.getElementById('toggleList');
const listDiv = document.querySelector('.list');


const descriptioninput = document.querySelector('input.description');

const descriptionp = document.querySelector('p.description');

const descriptionbutton = document.querySelector('button.description');

const addItemInput = document.querySelector('input.addItemInput');
const addItemButton = document.querySelector('input.addItemButton');




toggleList.addEventListener('click', () => {
 if (listDiv.style.display == 'none') {
  toggleList.textContent = 'Hide list';
  listDiv.style.display = 'block';
} else {
  toggleList.textContent = 'Show list';
  listDiv.style.display = 'none';    
}

  });



descriptionbutton.addEventListener('click', () => {
       descriptionp.innerHTML = descriptioninput.value + ':';                 

 });



addItemButton.addEventListener('click', () => {
 let ul = document.getElementsByTagName('ul')[0];                               
 let li = document.createElement('li');

 li.textContent = addItemInput.value;
 ul.appendChild(li);


 });

Here is the error message in browser when loading the JS / clicking the buttons. https://ibb.co/e2qe6S

I've tried loading a video I've not yet watched and launched the Workspace. And the errors exist in there too.

Any ideas?

Thanks