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script.js
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161 lines (140 loc) · 4.56 KB
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//Selectors
const todoInput= document.querySelector('.todo-input');
const todoButton= document.querySelector('.todo-button');
const todoList= document.querySelector('.todo-list');
const filterOption= document.querySelector('.filter-todo');
//Event Listeners
document.addEventListener('DOMContentLoaded', getTodos);
todoButton.addEventListener('click', addTodo)
todoList.addEventListener('click', deleteCheck);
filterOption.addEventListener('click', filterTodo);
//Functions
function addTodo(event){
//prevent form from submitting
event.preventDefault();
//Todo div
const todoDiv= document.createElement("div");
todoDiv.classList.add("todo");
//create li
const newTodo= document.createElement('li');
newTodo.innerText= todoInput.value;
newTodo.classList.add('todo-item');
todoDiv.appendChild(newTodo);
//add todos to localStorage
saveLocalTodos(todoInput.value);
//Check button
const completedButton = document.createElement('button');
completedButton.innerHTML = '<i class="fas fa-check"></i>';
completedButton.classList.add("complete-btn");
todoDiv.appendChild(completedButton);
//Check delete button
const delButton = document.createElement('button');
delButton.innerHTML = '<i class="fas fa-trash"></i>';
delButton.classList.add("del-btn");
todoDiv.appendChild(delButton);
//Append to list
todoList.appendChild(todoDiv);
//clear todo input value
todoInput.value="";
}
function deleteCheck(event){
const item= event.target;
//Delete todo
if(item.classList[0] === 'del-btn'){
const todo = item.parentElement;
//Animation
todo.classList.add("fall");
removeLocalTodos(todo);
todo.addEventListener('transitionend', function(){
todo.remove();
});
}
//check mark
if(item.classList[0] === 'complete-btn'){
const todo = item.parentElement;
todo.classList.toggle('completed');
}
}
function filterTodo(e){
const todos= todoList.childNodes;
todos.forEach(function(todo){
todo.style.display= 'none';
console.log(e.target.value);
console.log(todo.style);
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;
}
});
}
function saveLocalTodos(todo){
//checking if something is already in the list
let todos;
if(localStorage.getItem('todos') === null){
todos=[];
}
else{
todos = JSON.parse(localStorage.getItem('todos'));
}
todos.push(todo);
localStorage.setItem("todos", JSON.stringify(todos));
}
function getTodos(){
//checking if something is already in the list
let todos;
if(localStorage.getItem('todos') === null){
todos=[];
}
else{
todos = JSON.parse(localStorage.getItem('todos'));
}
todos.forEach(function(todo){
//Todo div
const todoDiv= document.createElement("div");
todoDiv.classList.add("todo");
//create li
const newTodo= document.createElement('li');
newTodo.innerText= todo;
newTodo.classList.add('todo-item');
todoDiv.appendChild(newTodo);
//Check button
const completedButton = document.createElement('button');
completedButton.innerHTML = '<i class="fas fa-check"></i>';
completedButton.classList.add("complete-btn");
todoDiv.appendChild(completedButton);
//Check delete button
const delButton = document.createElement('button');
delButton.innerHTML = '<i class="fas fa-trash"></i>';
delButton.classList.add("del-btn");
todoDiv.appendChild(delButton);
//Append to list
todoList.appendChild(todoDiv);
})
}
function removeLocalTodos(todo){
let todos=[];
if(localStorage.getItem('todos') === null){
todos=[];
}
else{
todos = JSON.parse(localStorage.getItem('todos'));
}
const todoIndex= todo.children[0].innerText;
todos.splice(todos.indexOf(todoIndex),1);
localStorage.setItem("todos", JSON.stringify(todos));
}