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app.js
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const todoInput = document.querySelector('.todo-input')
const todoButton = document.querySelector('.todo-button')
const todoList = document.querySelector('.todo-list')
const filterTodo = document.querySelector('.filter-todo')
todoButton.addEventListener('click', addTodo)
todoList.addEventListener('click', deleteCheck)
filterTodo.addEventListener('click', filterTodos)
function addTodo(e) {
e.preventDefault()
const todoDiv = document.createElement('div')
todoDiv.classList.add('todo')
const newTodo = document.createElement('li')
newTodo.innerText = todoInput.value
newTodo.classList.add('todo-item')
todoDiv.appendChild(newTodo)
const completedButton = document.createElement('button')
completedButton.innerHTML = '<i class="fas fa-check"></i>'
completedButton.classList.add('completed-btn')
todoDiv.appendChild(completedButton)
const trashButton = document.createElement('button')
trashButton.innerHTML = '<i class="fas fa-trash"></i>'
trashButton.classList.add('trash-btn')
todoDiv.appendChild(trashButton)
todoList.appendChild(todoDiv)
todoInput.value = ''
}
function deleteCheck(e) {
const item = e.target
if (item.classList[0] === 'trash-btn') {
const todo = item.parentElement
todo.classList.add('fall')
todo.addEventListener('transitionend', function() {
todo.remove()
})
}
if (item.classList[0] === 'completed-btn') {
const todo = item.parentElement
todo.classList.toggle('completed')
}
}
function filterTodos(e) {
const todos = todoList.childNodes
todos.forEach(function(todo) {
switch (e.target.value) {
case "all":
todo.style.display = 'flex'
break;
case "completed":
if (todo.classList.contains('completed')) {
todo.style.display = 'flex'
} else {
todo.style.display = 'none'
}
break;
case "uncompleted":
if (!todo.classList.contains('completed')) {
todo.style.display = 'flex'
} else {
todo.style.display = 'none'
}
break;
}
})
}