JSFiddle - React, Tailwind, and code Playground

by wenwu

HTML

<div class ="container" >
  <h1>待辦事項</h1>
  
  <div class="input-div">
    <input class=""  id="input" type="text" placeholder="輸入代辦事項..." > 
    <button class="" onclick="add()">新增 </button>
  </div>

  <div class ="container">
    <h2 class="todo-list-title" id="">TO DO LIST</h2> 
    <ul class="todo-list" id="todo-list"> </ul>
  </div>


</div>

CSS

* {
  box-sizing: border-box;
  font-size: 20px;
  color: gray;
  }
  
body{
  background-color: #eee;
}

.container {
  border: 0px solid black;
  width: 400px;
  margin: 50px auto;
}

h1 {
  text-align: center;
  font-size: 2rem;
}

.input-div{
  display: flex;
  align-items: center;
  margin: 10px 0;
  }
  
.input-div > input{
   flex: 1px;
}
 
h2 {
  text-align: center;
  border-bottom: 1px solid #ccc;
  font-size: 20px;
  color: #666;
  border: 0px solid black;
}
.todo-list {
  
  margin: 0;
  padding: 0;
}

.todo-list li {
  list-style-type: none;
  text-align: left;
  border: 0px solid black;
  background-color: rgba(255, 255, 255, 0.7);
  padding: 10px 5px;
  margin-bottom: 8px;

  
}

JavaScript

function add(){
let input =document.getElementById('input').value;
let list = document.getElementById('todo-list');
let li = document.createElement('li');
let span = document.createElement('span');

 

if (input == ""){
	alert("請輸入事項!");
	}else{
   list.append(li);
   li.append(span);
   span.textContent = input;
   input.value = '';
  }

}