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Add simple browser-based todo list #1

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Add simple browser-based todo list #1

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152 changes: 152 additions & 0 deletions index.html
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Original file line number Diff line number Diff line change
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<!doctype html>
<html lang="ko">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>대충 만든 투두리스트</title>
<style>
:root {
font-family: "Pretendard", "Noto Sans KR", system-ui, -apple-system, sans-serif;
color: #1f2937;
background: #f3f4f6;
}
body {
margin: 0;
min-height: 100vh;
display: grid;
place-items: center;
padding: 16px;
}
.card {
width: min(560px, 100%);
background: #fff;
border-radius: 16px;
box-shadow: 0 12px 40px rgba(17, 24, 39, 0.12);
padding: 24px;
}
h1 {
margin: 0 0 14px;
font-size: 1.6rem;
}
.composer {
display: grid;
grid-template-columns: 1fr auto;
gap: 10px;
}
input {
border: 1px solid #d1d5db;
border-radius: 10px;
padding: 11px 12px;
font-size: 1rem;
}
button {
border: 0;
border-radius: 10px;
background: #2563eb;
color: #fff;
font-weight: 700;
padding: 0 16px;
cursor: pointer;
}
ul {
list-style: none;
padding: 0;
margin: 16px 0 0;
}
li {
display: grid;
grid-template-columns: auto 1fr auto;
align-items: center;
gap: 12px;
padding: 10px 2px;
border-bottom: 1px solid #e5e7eb;
}
li.done span {
text-decoration: line-through;
color: #9ca3af;
}
.delete {
background: transparent;
color: #dc2626;
padding: 0;
}
.hint {
margin-top: 14px;
color: #6b7280;
font-size: .9rem;
}
</style>
</head>
<body>
<main class="card">
<h1>📝 대충 만든 투두리스트</h1>
<div class="composer">
<input id="todoInput" placeholder="할 일 입력하고 엔터" />
<button id="addBtn">추가</button>
</div>
<ul id="todoList"></ul>
<p class="hint">체크하면 완료, ❌ 누르면 삭제됨. 브라우저 저장(localStorage) 지원.</p>
</main>

<script>
const input = document.getElementById('todoInput');
const addBtn = document.getElementById('addBtn');
const list = document.getElementById('todoList');
const STORAGE_KEY = 'rough-todos';

let todos = JSON.parse(localStorage.getItem(STORAGE_KEY) || '[]');

const save = () => localStorage.setItem(STORAGE_KEY, JSON.stringify(todos));

function render() {
list.innerHTML = '';

todos.forEach((todo, index) => {
const li = document.createElement('li');
if (todo.done) li.classList.add('done');

const check = document.createElement('input');
check.type = 'checkbox';
check.checked = todo.done;
check.addEventListener('change', () => {
todos[index].done = check.checked;
save();
render();
});

const text = document.createElement('span');
text.textContent = todo.text;

const del = document.createElement('button');
del.className = 'delete';
del.textContent = '❌';
del.addEventListener('click', () => {
todos = todos.filter((_, i) => i !== index);
save();
render();
});

li.append(check, text, del);
list.appendChild(li);
});
}

function addTodo() {
const text = input.value.trim();
if (!text) return;
todos.unshift({ text, done: false });
input.value = '';
save();
render();
input.focus();
}

addBtn.addEventListener('click', addTodo);
input.addEventListener('keydown', (e) => {
if (e.key === 'Enter') addTodo();
});

render();
</script>
</body>
</html>