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To Do List 본문

Javascript

To Do List

HiroDaegu 2023. 2. 25. 22:28
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<!DOCTYPE html>
<html lang="ko">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>TODOLIST</title>
    <link rel="stylesheet" href="style.css">
    <script defer src="main.js"></script>
</head>

<body>
    <div id="app">
        <h1>to do list</h1>
        <ul></ul>
        <input type="text" placeholder="New task">
        <button class='btn_add'>Add</button>
        <p>Insert a new task</p>
    </div>
</body>

</html>
@import url("https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;700&family=Lato:ital,wght@0,300;0,400;1,300;1,400&display=swap");

* {
  margin: 0;
  padding: 0;
  outline: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  user-select: none;
}

html,
body {
  width: 100%;
  height: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background-color: #F5F5F5;
  font-family: "Lato", sans-serif;
}

#app {
  width: 50%;
  min-width: 400px;
}

h1 {
  font-family: "Dancing Script", cursive;
  text-align: center;
  margin-bottom: 50px;
  font-size: 45px;
  color: #335C62;
  font-weight: 700;
}

p {
  font-family: "Dancing Script", cursive;
  text-align: center;
  margin-top: 30px;
  font-size: 30px;
  color: #5C5C5C;
  font-weight: 300;
}

ul {
  font-family: "Lato", sans-serif;
  font-size: 20px;
  font-weight: 400;
  font-style: italic;
  margin: 50px;
}

ul li {
  margin-bottom: 10px;
  color: #5C5C5C;
}

ul li a {
  margin-left: 15px;
  color: #FFF;
  cursor: pointer;
  border: 1px solid #7CBE7B;
  border-radius: 5px;
  padding: 0 15px 2px 15px;
  background-color: #7CBE7B;
}

ul li a:hover {
  opacity: 0.8;
}

input,
button {
  font: 400 20px "Lato", sans-serif;
}

input {
  width: 60%;
  height: 40px;
  color: #5C5C5C;
  border: 1px solid #DCDCE6;
  border-radius: 8px;
  padding: 0 24px;
  margin-right: 10px;
}

.btn_add {
  width: 30%;
  height: 40px;
  border: 1px solid #DCDCE6;
  border-radius: 8px;
  background-color: #59A2AD;
  color: #FFF;
  cursor: pointer;
}

.btn_add:hover {
  opacity: 0.9;
}
let listElement = document.querySelector("#app ul");
let inputElement = document.querySelector("#app input");
let buttonElement = document.querySelector("#app button");

let todos = JSON.parse(localStorage.getItem("list_todos")) || [];

function renderTodos() {
  listElement.innerHTML = "";

  for (todo of todos) {
    let todoElement = document.createElement("li");
    let todoText = document.createTextNode(todo);

    let linkElement = document.createElement("a");

    linkElement.setAttribute("href", "#");

    let pos = todos.indexOf(todo);
    linkElement.setAttribute("onclick", "deleteTodo(" + pos + ")");

    let linkText = document.createTextNode("done");

    linkElement.appendChild(linkText);

    todoElement.appendChild(todoText);
    todoElement.appendChild(linkElement);
    listElement.appendChild(todoElement);
  }
}

renderTodos();

function addTodo() {
  let todoText = inputElement.value;

  todos.push(todoText);
  inputElement.value = "";
  renderTodos();
  saveToStorage();
}

buttonElement.onclick = addTodo;

function deleteTodo(pos) {
  todos.splice(pos, 1);
  renderTodos();
  saveToStorage();
}

function saveToStorage() {
  localStorage.setItem("list_todos", JSON.stringify(todos));
}
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