JSFiddle - React, Tailwind, and code Playground

by birdie2019

HTML

<div class="container">
  <h1>待辦事項</h1>
  <div id="input-panel">
    <input type="text" id="item" placeholder="請輸入待辦事項...">
    <button class="add-btn" onclick="add()" >+</button>
  </div>
  
</div>
<div class="container">
  <ul id="list">
    
  </ul>
</div>

CSS

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  font-size: 10px;
  color: #606060;
}

body {
  background-color: #FFF0DF;
}

.container {
  width: 400px;
  margin: 30px auto;
}

/* input-box */
h1 {
  text-align: center;
  font-size: 2.4rem;
  letter-spacing: 3px;
  
}

#input-panel {
  display: flex;
  justify-content: center;
  margin: 10px 0;
}

#input-panel > input {
  flex: 1;
  padding: 10px 8px;
  border-radius: 5px 0 0 5px;
  border: 0;
  outline: 0;
  font-size: 1.5rem;
  letter-spacing: 1px;
}

.add-btn {
  border: 0;
  width: 40px;
  border-radius: 0 5px 5px 0;
  font-size: 1.8rem;
  font-weight: 700;
  cursor: pointer;
  background-color: #546A76;
  color: #fff;
}

/* list */

#list > li {
  display: flex;
  justify-content: space-between;
  background-color: rgba(255, 255, 255, 0.7);
  padding: 10px 8px;
  margin-bottom: 8px;
  border-radius: 5px;
}

#list > li > span {
  font-size: 1.5rem;
  letter-spacing: 1px;
}

#list > li > button {
  background-color: transparent;
  border: 0;
  cursor: pointer;
  font-size: 1.5rem;
  font-weight: 900;
  transition: all 0.3s; 
}

#list > li > button:hover {
  color: #FA829C;
  transform: scale(1.6);
}

JavaScript

var items = [];
function add() {
	var item = document.getElementById('item');
  items.push(item.value);
  console.log(items);
  var ul = document.getElementById('list');
  var li = document.createElement('li');
  var span = document.createElement('span');
  var btn = document.createElement('button');
  ul.append(li);
  li.append(span);
  li.append(btn);
  var id = items.length;
  console.log(id);
  span.setAttribute('id',`${id}`);
  document.getElementById(`${id}`).textContent = item.value;
  btn.textContent = 'x';
  btn.setAttribute('class', 'btn');
  btn.onclick = deleteLi;
  var clearInput = '';
  item.value = clearInput;
  console.log(item.value);
}

function deleteLi() {
	confirm('確定要刪除嗎？');
	event.target.parentElement.remove();
}