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todo_web.html
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todo_web.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>To-Do List Web App</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f4f4f4;
margin: 0;
padding: 0;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}
#app {
background-color: white;
width: 350px;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
h1 {
text-align: center;
color: #333;
}
#task-input {
width: 100%;
padding: 10px;
font-size: 16px;
border: 1px solid #ccc;
border-radius: 5px;
}
#add-btn {
width: 100%;
padding: 10px;
margin-top: 10px;
background-color: #28a745;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 16px;
}
#add-btn:hover {
background-color: #218838;
}
ul {
list-style-type: none;
padding: 0;
}
li {
background-color: #f9f9f9;
margin: 10px 0;
padding: 10px;
border: 1px solid #ddd;
border-radius: 5px;
display: flex;
justify-content: space-between;
align-items: center;
}
li.completed {
text-decoration: line-through;
color: grey;
}
.delete-btn {
background-color: #dc3545;
color: white;
border: none;
padding: 5px 10px;
cursor: pointer;
border-radius: 5px;
}
.delete-btn:hover {
background-color: #c82333;
}
</style>
</head>
<body>
<div id="app">
<h1>To-Do List</h1>
<input type="text" id="task-input" placeholder="Enter a new task">
<button id="add-btn">Add Task</button>
<ul id="task-list"></ul>
</div>
<script>
// Get elements from the DOM
const taskInput = document.getElementById('task-input');
const addBtn = document.getElementById('add-btn');
const taskList = document.getElementById('task-list');
// Function to add a new task
function addTask() {
const taskText = taskInput.value.trim(); // Get the task input
if (taskText === "") {
alert("Please enter a task!");
return;
}
// Create a new list item (li)
const li = document.createElement('li');
li.innerHTML = `${taskText} <button class="delete-btn">Delete</button>`;
// Add event listener to mark task as completed
li.addEventListener('click', function () {
li.classList.toggle('completed');
});
// Add event listener to the delete button
const deleteBtn = li.querySelector('.delete-btn');
deleteBtn.addEventListener('click', function (e) {
e.stopPropagation(); // Prevent triggering the complete task event
taskList.removeChild(li);
});
// Append the new task to the list
taskList.appendChild(li);
// Clear the input field
taskInput.value = "";
}
// Add task when clicking the button
addBtn.addEventListener('click', addTask);
// Add task when pressing Enter key
taskInput.addEventListener('keypress', function (e) {
if (e.key === 'Enter') {
addTask();
}
});
</script>
</body>
</html>