Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trialNicholas Lansing
8,901 PointsSharing my solution to the problem
Hi All - just sharing my solution to the problem at the end of the video. Please have a look and let me know what you think! Thanks!
const toggleList = document.getElementById('toggleList'); const listDiv = document.querySelector('.list'); const descInput = document.querySelector('input.description'); const descP = document.querySelector('p.description'); const descButton = document.querySelector('button.description'); const listUl = listDiv.querySelector('ul'); const addItemInput = document.querySelector('input.addItemInput'); const addItemButton = document.querySelector('button.addItemButton'); const otherLis = document.querySelectorAll('li');
function attachListItemButtons(ul) {
for(var i=0; i<ul.length; i++){ let k = ul[i].querySelectorAll('button'); for(var j=0;j<k.length; j++){ ul[i].removeChild(ul[i].lastElementChild); } }
for (var i=0; i<ul.length; i++){ if (i == 0) { let down = document.createElement('button'); down.className = 'down'; down.textContent = 'Down'; down.style.background = '#508abc'; ul[i].appendChild(down);
let remove = document.createElement('button');
remove.className = 'removeItem';
remove.textContent = 'Remove';
remove.style.background = '#768da3';
ul[i].appendChild(remove);
}
else if (i == (ul.length - 1)) {
let up = document.createElement('button');
up.className = 'up';
up.textContent = 'Up';
up.style.background = '#52bab3';
ul[i].appendChild(up);
let remove = document.createElement('button');
remove.className = 'removeItem';
remove.textContent = 'Remove';
remove.style.background = '#768da3';
ul[i].appendChild(remove);
}
else {
let up = document.createElement('button');
up.className = 'up';
up.textContent = 'Up';
up.style.background = '#52bab3';
ul[i].appendChild(up);
let down = document.createElement('button');
down.className = 'down';
down.textContent = 'Down';
down.style.background = '#508abc';
ul[i].appendChild(down);
let remove = document.createElement('button');
remove.className = 'removeItem';
remove.textContent = 'Remove';
remove.style.background = '#768da3';
ul[i].appendChild(remove);
}
} }
attachListItemButtons(otherLis);
listUl.addEventListener('click', (event) => {
if (event.target.tagName == 'BUTTON'){
if (event.target.className == 'removeItem'){
let li = event.target.parentNode;
let ul = li.parentNode;
ul.removeChild(li);
}
if (event.target.className == 'up'){
let li2 = event.target.parentElement;
let li3 = li2.previousElementSibling;
let li = event.target.parentNode;
let prevLi = li.previousElementSibling;
let ul = li.parentNode;
if (prevLi) {
ul.insertBefore(li, prevLi);
}
let newLis = document.querySelectorAll('li');
attachListItemButtons(newLis);
}
if (event.target.className == 'down'){
let li2 = event.target.parentElement;
let li3 = li2.nextElementSibling;
let li = event.target.parentNode;
let nextLi = li.nextElementSibling;
let ul = li.parentNode;
if (nextLi) {
ul.insertBefore(nextLi, li);
}
let newLis = document.querySelectorAll('li');
attachListItemButtons(newLis);
}
}
});
toggleList.addEventListener('click', () => { if(listDiv.style.display == 'none') { toggleList.textContent = 'Hide List'; listDiv.style.display = 'block'; } else{ listDiv.style.display = 'none'; toggleList.textContent = 'Show List'; } });
descButton.addEventListener('click', () => { descP.innerHTML = descInput.value + ':'; descInput.value = ''; });
addItemButton.addEventListener('click', () => { let ul = document.getElementsByTagName('ul')[0]; let li = document.createElement('li'); li.textContent = addItemInput.value; ul.appendChild(li); addItemInput.value = ''; let newLis = document.querySelectorAll('li'); attachListItemButtons(newLis); });