Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <body>
	<div class="container">
		<h2>TODO LIST</h2>
		<h3>Add Item</h3>
		<p>
			<input id="new-task" type="text"><button>Add</button>
		</p>

		<h3>Todo</h3>
		<ul id="incomplete-tasks">
			<li><input type="checkbox"><label>Pay Bills</label><input type="text"><button class="edit">Edit</button><button class="delete">Delete</button></li>
			<li><input type="checkbox"><label>Go Shopping</label><input type="text" value="Go Shopping"><button class="edit">Edit</button><button class="delete">Delete</button></li>
		</ul>

		<h3>Completed</h3>
		<ul id="completed-tasks">
			<li><input type="checkbox" checked><label>See the Doctor</label><input type="text"><button class="edit">Edit</button><button class="delete">Delete</button></li>
		</ul>
	</div>

</body>
              
            
!

CSS

              
                /* Basic Style */

body {
	background: #fff;
	color: #333;
	font-family: Lato, sans-serif;
	background-color:#e4e4e4;
}

.container {
	display: block;
	width: 400px;
	margin: 10px auto 100px;
	background-color:#fff;
	padding:0px 10px 10px 10px;
	border-radius:10px
}

h2 {
	text-align:center;
	padding-top:10px;
	margin-bottom:0px;
}

ul {
	margin: 0;
	padding: 0;
}

li * {
	float: left;
}

li,
h3 {
	clear: both;
	list-style: none;
}

input,
button {
	outline: none;
}

button {
	background: none;
	border: 0px;
	color: #888;
	font-size: 15px;
	width: 60px;
	margin: 10px 0 0;
	font-family: Lato, sans-serif;
	cursor: pointer;
}

button:hover {
	color: #333;
}


/* Heading */

h3,
label[for='new-task'] {
	color: #333;
	font-weight: 700;
	font-size: 15px;
	border-bottom: 2px solid #333;
	padding: 20px 0 10px;
	margin: 0;
	text-transform: uppercase;
}

input[type="text"] {
	margin: 0;
	font-size: 18px;
	line-height: 18px;
	height: 18px;
	padding: 10px;
	border: 1px solid #ddd;
	background: #fff;
	border-radius: 6px;
	font-family: Lato, sans-serif;
	color: #888;
}

input[type="text"]:focus {
	color: #333;
}


/* New Task */

label[for='new-task'] {
	display: block;
	margin: 0 0 20px;
}

input#new-task {
	float: left;
	width: 318px;
}

p > button:hover {
	color: #0FC57C;
}


/* Task list */

li {
	overflow: hidden;
	padding: 20px 0;
	border-bottom: 1px solid #eee;
}

li > input[type="checkbox"] {
	margin: 0 10px;
	position: relative;
	top: 15px;
}

li > label {
	font-size: 18px;
	line-height: 40px;
	width: 237px;
	padding: 0 0 0 11px;
}

li > input[type="text"] {
	width: 226px;
}

li > .delete:hover {
	color: #CF2323;
}


/* Completed */

#completed-tasks label {
	text-decoration: line-through;
	color: #888;
}


/* Edit Task */

ul li input[type=text] {
	display: none;
}

ul li.editMode input[type=text] {
	display: block;
}

ul li.editMode label {
	display: none;
}
              
            
!

JS

              
                var taskInput = document.getElementById("new-task"); //new-task
var addButton = document.getElementsByTagName("button")[0]; //first button
var incompleteTasksHolder = document.getElementById("incomplete-tasks"); //incomplete-tasks
var completedTasksHolder = document.getElementById("completed-tasks"); //completed-tasks

//New Task List Item
var createNewTaskElement = function(taskString) {
	//Create List Item
	var listItem = document.createElement("li");

	//input (checkbox)
	var checkBox = document.createElement("input"); // checkbox
	//label
	var label = document.createElement("label");
	//input (text)
	var editInput = document.createElement("input"); // text
	//button.edit
	var editButton = document.createElement("button");
	//button.delete
	var deleteButton = document.createElement("button");

	//Each element needs modifying

	checkBox.type = "checkbox";
	editInput.type = "text";

	editButton.innerText = "Edit";
	editButton.className = "edit";
	deleteButton.innerText = "Delete";
	deleteButton.className = "delete";

	label.innerText = taskString;

	//Each element needs appending
	listItem.appendChild(checkBox);
	listItem.appendChild(label);
	listItem.appendChild(editInput);
	listItem.appendChild(editButton);
	listItem.appendChild(deleteButton);

	return listItem;
}

//Add a new task
var addTask = function() {
	console.log("Add task...");
	//Create a new list item with the text from #new-task:
	var listItem = createNewTaskElement(taskInput.value);
	//Append listItem to incompleteTasksHolder
	incompleteTasksHolder.appendChild(listItem);
	bindTaskEvents(listItem, taskCompleted);

	taskInput.value = "";
}

//Edit an existing task
var editTask = function() {
	console.log("Edit task...");

	var listItem = this.parentNode;

	var editInput = listItem.querySelector("input[type=text");
	var label = listItem.querySelector("label");

	var containsClass = listItem.classList.contains("editMode");

	//if the class of the parent is .editMode
	if (containsClass) {
		//Switch from .editMode
		//label text become the input's value
		label.innerText = editInput.value;
	} else {
		//Switch to .editMode
		//input value becomes the label's text
		editInput.value = label.innerText;
	}

	//Toggle .editMode on the list item
	listItem.classList.toggle("editMode");

}

//Delete an existing task
var deleteTask = function() {
	console.log("Delete task...");
	var listItem = this.parentNode;
	var ul = listItem.parentNode;

	//Remove the parent list item from the ul
	ul.removeChild(listItem);
}

//Mark a task as complete
var taskCompleted = function() {
	console.log("Task complete...");
	//Append the task list item to the #completed-tasks
	var listItem = this.parentNode;
	completedTasksHolder.appendChild(listItem);
	bindTaskEvents(listItem, taskIncomplete);
}

//Mark a task as incomplete
var taskIncomplete = function() {
	console.log("Task incomplete...");
	//Append the task list item to the #incomplete-tasks
	var listItem = this.parentNode;
	incompleteTasksHolder.appendChild(listItem);
	bindTaskEvents(listItem, taskCompleted);
}

var bindTaskEvents = function(taskListItem, checkBoxEventHandler) {
	console.log("Bind list item events");
	//select taskListItem's children
	var checkBox = taskListItem.querySelector("input[type=checkbox]");
	var editButton = taskListItem.querySelector("button.edit");
	var deleteButton = taskListItem.querySelector("button.delete");

	//bind editTask to edit button
	editButton.onclick = editTask;

	//bind deleteTask to delete button
	deleteButton.onclick = deleteTask;

	//bind checkBoxEventHandler to checkbox
	checkBox.onchange = checkBoxEventHandler;
}

// var ajaxRequest = function() {
// 	console.log("AJAX request");
// }

//Set the click handler to the addTask function
addButton.addEventListener("click", addTask);
//addButton.addEventListener("click", ajaxRequest);

//cycle over incompleteTasksHolder ul list items
for (var i = 0; i < incompleteTasksHolder.children.length; i++) {
	//bind events to list item's children (taskCompleted)
	bindTaskEvents(incompleteTasksHolder.children[i], taskCompleted);
}

//cycle over completedTasksHolder ul list items
for (var i = 0; i < completedTasksHolder.children.length; i++) {
	//bind events to list item's children (taskIncomplete)
	bindTaskEvents(completedTasksHolder.children[i], taskIncomplete);
}
              
            
!
999px

Console