Neste tutorial vamos aprender a desenvolver um todo-list em html, css e javascript
index.html
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title> Todo List</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">
<link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Nunito:600,700&display=swap'>
<link rel='stylesheet' href='https://use.fontawesome.com/releases/v5.7.2/css/all.css'>
<link rel="stylesheet" href="style.css" />
</head>
<div class="todoList">
<div class="cover-img">
<div class="cover-inner">
<h3>Todo List</h3>
</div>
</div>
<div class="content">
<form class="add">
<input type="text" name="add" placeholder="Add item...">
<div class="input-buttons">
<a href="#0" class="add-todo">
<i class="fas fa-plus add"></i>
</a>
</div>
</form>
<ul class="todos">
<li>
<input type="checkbox" id="todo_1">
<label for="todo_1">
<span class="check"></span>
Fazer compras
</label>
<i class="far fa-trash-alt delete"></i>
</li>
<li>
<input type="checkbox" id="todo_2">
<label for="todo_2">
<span class="check"></span>
Encontrar pessoas
</label>
<i class="far fa-trash-alt delete"></i>
</li>
<li>
<input type="checkbox" id="todo_3">
<label for="todo_3">
<span class="check"></span>
Procure lugares para ir
</label>
<i class="far fa-trash-alt delete"></i>
</li>
<li>
<input type="checkbox" id="todo_4">
<label for="todo_4">
<span class="check"></span>
Faça uma viagem
</label>
<i class="far fa-trash-alt delete"></i>
</li>
</ul>
</div>
</div>
<script src="script.js"></script>
</body>
</html>
style.css
*, *::before, *::after {
box-sizing: border-box;
margin: 0;
}
body {
min-height: 450px;
height: 100vh;
margin: 0;
background: url('https://i.postimg.cc/9M4h8Bjc/imagem.jpg');
color: #fff;
font-family: 'Nunito', serif;
}
button, input, select, textarea {
font-family: inherit;
font-size: inherit;
line-height: inherit;
}
.todoList {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 320px;
height: 500px;
background: #fff;
border-radius: 10px;
box-shadow: 0 7px 30px rgba(62, 9, 11, .3);
}
.cover-img .cover-inner {
background: url('https://i.postimg.cc/9M4h8Bjc/imagem.jpg');
height: 190px;
background-size: cover;
background-position: 10% 20%;
border-top-left-radius: 10px;
border-top-right-radius: 10px;
position: relative;
}
.cover-img .cover-inner::after {
background: rgba(0, 0, 0, .3);
content: '';
top: 0;
left: 0;
position: absolute;
width: 100%;
height: 100%;
border-top-left-radius: 10px;
border-top-right-radius: 10px;
}
.cover-img h3 {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
font-family: 'Nunito', sans-serif;
text-transform: uppercase;
font-size: 2.8rem;
z-index: 10;
font-weight: 700;
}
.content {
padding: 10px 20px;
}
.content form {
display: flex;
justify-content: space-between;
margin-bottom: 15px;
padding: 0 10px 0 5px;
border-bottom: 1px solid #8e979c;
}
.content form > * {
background: transparent;
border: none;
height: 35px;
}
.content input[type='text'] {
padding: 0 5px;
font-weight: 700;
font-size: 1.2rem;
color: #6c717b;
outline: none;
}
.content .input-buttons a{
text-decoration: none;
}
.content .input-buttons i {
margin-top: 5px;
font-size: 20px;
color: #8e979c;
}
.content ul.todos {
margin-left: 0;
padding: 0;
letter-spacing: none;
height: 220px;
overflow: auto;
}
.content li {
user-select: none;
margin-bottom: 10px;
display: flex;
justify-content: space-between;
}
.content li i {
color: #6c717b;
font-size: 15px;
cursor: pointer;
padding: 5px 10px;
}
.content input[type="checkbox"] {
display: none;
}
.content input[type="checkbox"] + label {
color: #6c717b;
font-size: 15px;
cursor: pointer;
position: relative;
border-radius: 3px;
display: inline-block;
padding: 5px 5px 5px 30px;
}
.content input[type="checkbox"] + label:hover {
color: #353a42;
background-color: #f4f7fa;
}
.content input[type="checkbox"] + label span.check {
left: 4px;
top: 50%;
position: absolute;
transform: translatey(-50%);
width: 18px;
height: 18px;
display: block;
background: white;
border-radius: 3px;
border: 1px solid #b8bfcc;
box-shadow: 0 2px 3px #f0f4f8;
}
.content input[type="checkbox"]:checked + label {
color: #aeb7c6;
text-decoration: line-through;
}
.content input[type="checkbox"]:checked + label span.check {
background-color: transparent;
border-color: transparent;
box-shadow: none;
}
.content input[type="checkbox"] + label span.check::after {
width: 100%;
height: 100%;
content: '';
display: block;
position: absolute;
background-image: url('tick.svg');
background-repeat: no-repeat;
background-position: center;
background-size: 16px 16px;
transform: scale(0);
transition: transform 300ms cubic-bezier(.3, 0, 0, 1.5);
}
.content input[type="checkbox"]:checked + label span.check::after {
transform: scale(1);
}
.content input[type="checkbox"] + label span.check::before {
top: 0;
left: 0;
width: 100%;
height: 100%;
display: block;
content: '';
position: absolute;
border-radius: 50%;
background: #8798aa;
opacity: .8;
transform: scale(0);
}
.content input[type="checkbox"]:checked + label span.check::before {
opacity: 0;
transform: scale(1.3);
transition: opacity 300ms cubic-bezier(0.2, 0, 0, 1), transform 400ms cubic-bezier(0.3, 0, 0, 1.4);
}
script.js
const submitForm = document.querySelector('.add');
const addButton = document.querySelector('.add-todo');
const todoList = document.querySelector('.todos');
const list = document.querySelectorAll('.todos li');
let listLenght = list.lenght;
const generateTempalate = (todo) => {
const html = `<li>
<input type="checkbox" id="todo_${listLenght}">
<label for="todo_${listLenght}">
<span class="check"></span>
${todo}
</label>
<i class="far fa-trash-alt delete"></i>
</li>`
todoList.innerHTML += html;
};
function addTodos(e) {
e.preventDefault();
const todo = submitForm.add.value.trim();
if (todo.length) {
listLenght = listLenght + 1;
generateTempalate(todo);
submitForm.reset();
}
}
submitForm.addEventListener('submit', addTodos);
addButton.addEventListener('click', addTodos);
function deleteTodos(e) {
if (e.target.classList.contains('delete')) {
e.target.parentElement.remove();
}
}
todoList.addEventListener('click', deleteTodos);
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