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Start your free trialJohn Raven Aquino
Full Stack JavaScript Techdegree Student 11,073 PointsSharing my Solution to everyone
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('button.addItemButton');
const ul = document.querySelector('div > ul');
const lis = ul.children;
const buttons = ['Up','Down','Delete'];
function setButtons(li) {
for(let i = 0; i < buttons.length; i++) {
let btn = document.createElement('button');
btn.className = buttons[i];
btn.textContent = buttons[i];
li.appendChild(btn);
}
}
function btnConfig() {
const firstchild = ul.firstElementChild;
const lastchild = ul.lastElementChild;
for(let i = 0; i < lis.length; i++) {
if(lis[i] == firstchild) {
lis[i].querySelector('button.Up').style.visibility = 'hidden';
} else if(lis[i] == lastchild) {
lis[i].querySelector('button.Down').style.visibility = 'hidden';
} else {
lis[i].querySelector('button.Up').style.visibility = 'visible';
lis[i].querySelector('button.Down').style.visibility = 'visible';
}
}
}
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 + ':';
descriptionInput.value = '';
});
ul.addEventListener('click', (event) => {
if(event.target.className == 'Up') {
const li = event.target.parentNode;
ul.insertBefore(li,li.previousElementSibling);
}
if(event.target.className == 'Down') {
const li = event.target.parentNode;
ul.insertBefore(li.nextElementSibling,li);
}
if(event.target.className == 'Delete') {
ul.removeChild(event.target.parentNode);
}
btnConfig();
});
addItemButton.addEventListener('click', () => {
let ul = document.getElementsByTagName('ul')[0];
let li = document.createElement('li');
li.textContent = addItemInput.value;
setButtons(li);
ul.appendChild(li);
addItemInput.value = '';
btnConfig();
});
for(let i = 0; i < lis.length; i++) {
setButtons(lis[i]);
}
btnConfig();
i tried to avoid repeating codes as much as possible