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| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en"> |
| 3 | +<head> |
| 4 | + <meta charset="UTF-8"> |
| 5 | + <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| 6 | + <title>To-Do List</title> |
| 7 | + <style> |
| 8 | + body { |
| 9 | + font-family: Arial, sans-serif; |
| 10 | + margin: 0; |
| 11 | + padding: 0; |
| 12 | + display: flex; |
| 13 | + justify-content: center; |
| 14 | + align-items: center; |
| 15 | + height: 100vh; |
| 16 | + background-color: #f4f4f9; |
| 17 | + } |
| 18 | + .container { |
| 19 | + background: #fff; |
| 20 | + padding: 20px; |
| 21 | + border-radius: 8px; |
| 22 | + box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); |
| 23 | + width: 300px; |
| 24 | + } |
| 25 | + h1 { |
| 26 | + text-align: center; |
| 27 | + font-size: 24px; |
| 28 | + margin-bottom: 20px; |
| 29 | + } |
| 30 | + #taskInput { |
| 31 | + width: 100%; |
| 32 | + padding: 10px; |
| 33 | + margin-bottom: 10px; |
| 34 | + border: 1px solid #ddd; |
| 35 | + border-radius: 4px; |
| 36 | + } |
| 37 | + #addTaskBtn { |
| 38 | + width: 100%; |
| 39 | + padding: 10px; |
| 40 | + background-color: #007bff; |
| 41 | + color: #fff; |
| 42 | + border: none; |
| 43 | + border-radius: 4px; |
| 44 | + cursor: pointer; |
| 45 | + } |
| 46 | + #addTaskBtn:hover { |
| 47 | + background-color: #0056b3; |
| 48 | + } |
| 49 | + ul { |
| 50 | + list-style: none; |
| 51 | + padding: 0; |
| 52 | + } |
| 53 | + li { |
| 54 | + display: flex; |
| 55 | + justify-content: space-between; |
| 56 | + align-items: center; |
| 57 | + background: #f9f9f9; |
| 58 | + padding: 10px; |
| 59 | + border-radius: 4px; |
| 60 | + margin-bottom: 10px; |
| 61 | + border: 1px solid #ddd; |
| 62 | + } |
| 63 | + .delete-btn { |
| 64 | + background-color: #dc3545; |
| 65 | + color: #fff; |
| 66 | + border: none; |
| 67 | + padding: 5px 10px; |
| 68 | + border-radius: 4px; |
| 69 | + cursor: pointer; |
| 70 | + } |
| 71 | + .delete-btn:hover { |
| 72 | + background-color: #b02a37; |
| 73 | + } |
| 74 | + </style> |
| 75 | +</head> |
| 76 | +<body> |
| 77 | + <div class="container"> |
| 78 | + <h1>To-Do List</h1> |
| 79 | + <input type="text" id="taskInput" placeholder="Add a new task..." /> |
| 80 | + <button id="addTaskBtn">Add Task</button> |
| 81 | + <ul id="taskList"></ul> |
| 82 | + </div> |
| 83 | + |
| 84 | + <script> |
| 85 | + // Select DOM elements |
| 86 | + const taskInput = document.getElementById('taskInput'); |
| 87 | + const addTaskBtn = document.getElementById('addTaskBtn'); |
| 88 | + const taskList = document.getElementById('taskList'); |
| 89 | + |
| 90 | + // Load tasks from localStorage on page load |
| 91 | + document.addEventListener('DOMContentLoaded', loadTasks); |
| 92 | + |
| 93 | + // Add a new task |
| 94 | + addTaskBtn.addEventListener('click', () => { |
| 95 | + const task = taskInput.value.trim(); |
| 96 | + if (task) { |
| 97 | + addTaskToUI(task); |
| 98 | + saveTaskToLocalStorage(task); |
| 99 | + taskInput.value = ''; |
| 100 | + } |
| 101 | + }); |
| 102 | + |
| 103 | + // Delete a task |
| 104 | + taskList.addEventListener('click', (e) => { |
| 105 | + if (e.target.classList.contains('delete-btn')) { |
| 106 | + const taskItem = e.target.parentElement; |
| 107 | + const taskText = taskItem.firstChild.textContent; |
| 108 | + taskItem.remove(); |
| 109 | + deleteTaskFromLocalStorage(taskText); |
| 110 | + } |
| 111 | + }); |
| 112 | + |
| 113 | + // Functions |
| 114 | + function addTaskToUI(task) { |
| 115 | + const li = document.createElement('li'); |
| 116 | + li.textContent = task; |
| 117 | + const deleteBtn = document.createElement('button'); |
| 118 | + deleteBtn.textContent = 'Delete'; |
| 119 | + deleteBtn.classList.add('delete-btn'); |
| 120 | + li.appendChild(deleteBtn); |
| 121 | + taskList.appendChild(li); |
| 122 | + } |
| 123 | + |
| 124 | + function saveTaskToLocalStorage(task) { |
| 125 | + const tasks = getTasksFromLocalStorage(); |
| 126 | + tasks.push(task); |
| 127 | + localStorage.setItem('tasks', JSON.stringify(tasks)); |
| 128 | + } |
| 129 | + |
| 130 | + function deleteTaskFromLocalStorage(task) { |
| 131 | + let tasks = getTasksFromLocalStorage(); |
| 132 | + tasks = tasks.filter(t => t !== task); |
| 133 | + localStorage.setItem('tasks', JSON.stringify(tasks)); |
| 134 | + } |
| 135 | + |
| 136 | + function getTasksFromLocalStorage() { |
| 137 | + return JSON.parse(localStorage.getItem('tasks')) || []; |
| 138 | + } |
| 139 | + |
| 140 | + function loadTasks() { |
| 141 | + const tasks = getTasksFromLocalStorage(); |
| 142 | + tasks.forEach(addTaskToUI); |
| 143 | + } |
| 144 | + </script> |
| 145 | +</body> |
| 146 | +</html> |
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