jQuery Move Append Callback Example

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<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8">
		<title>jQuery Move with append() Callback</title>
		<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
		<style>
			body {
				font-family: Arial, sans-serif;
				padding: 30px;
				background: #f9f9f9;
			}
			h2 {
				color: #222;
			}
			button {
				margin: 20px 0;
				padding: 10px 20px;
				background: #4CAF50;
				color: white;
				border: none;
				border-radius: 4px;
				cursor: pointer;
			}
			button:disabled {
				background: #aaa;
				cursor: default;
			}
			.lists {
				display: flex;
				gap: 40px;
			}
			ul {
				width: 200px;
				padding-left: 20px;
				background: #fff;
				border: 1px solid #ddd;
				border-radius: 4px;
				min-height: 120px;
			}
			li {
				margin-bottom: 8px;
				color: #333;
				cursor: default;
			}
			.label {
				font-weight: bold;
				margin-bottom: 8px;
			}
			#message {
				margin-top: 10px;
				color: #c00;
			}
		</style>
	</head>
	<body>

<h2>Move Items Between Lists with <code>append()</code> Callback</h2>
		<p>Click the button to move the first item from the left list into the right list, numbering each moved item via the callback’s <code>index</code> argument.</p>

<div class="lists">
			<div>
				<div class="label">Source List</div>
				<ul id="sourceList">
					<li>Apple</li>
					<li>Banana</li>
					<li>Cherry</li>
					<li>Date</li>
				</ul>
			</div>

<div>
				<div class="label">Target List</div>
				<ul id="targetList">
					
				</ul>
			</div>
		</div>

// Count existing items in target list to number the new one
					var count = $("#targetList li").length + 1;
					$item.text(count + ". " + $item.text());
					return $item;
				});
			});
		</script>

</body>
</html>

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