jQuery context Property Advanced Example

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<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8">
		<title>Advanced jQuery context Property Example</title>
		<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
		<style>
			body {
				font-family: Arial, sans-serif;
				padding: 10px;
			}
			.demo-box {
				border: 1px solid #ccc;
				padding: 15px;
				margin-bottom: 10px;
			}
			ul {
				padding-left: 20px;
			}
			li {
				margin: 4px 0;
			}
			.highlight {
				background: #f0f8ff;
				padding: 5px;
			}
			iframe {
				width: 100%;
				height: 120px;
				border: 1px solid #aaa;
				margin-top: 10px;
			}
		</style>
	</head>
	<body>

<h2>Advanced jQuery <code>context</code> Property Example</h2>

<div class="demo-box">
			<p>Click the button to list contexts from multiple selections including an iframe.</p>
			<button id="showAdvancedContext">Show Advanced Contexts</button>
			<ul id="advancedResult"></ul>
		</div>

$("#showAdvancedContext").click(function() {
					$("#advancedResult").empty();

// Default context
					var ctxDefault = $("ul").context;
					$("#advancedResult").append("<li class='highlight'>Default context: " + ctxDefault + "</li>");

// Explicit body context
					var ctxBody = $("ul", document.body).context.nodeName;
					$("#advancedResult").append("<li class='highlight'>Body context: " + ctxBody + "</li>");

// Context from iframe document
					var ctxIframe = $("ul", iframeDoc).context.nodeName;
					$("#advancedResult").append("<li class='highlight'>Iframe context: " + ctxIframe + "</li>");

// Show that adding elements changes collection but not original context
					var list = $("ul").add("<p>Extra element</p>");
					$("#advancedResult").append("<li class='highlight'>Collection length after add(): " + list.length + "</li>");
					$("#advancedResult").append("<li class='highlight'>Context after add(): " + list.context + "</li>");
				});
			});
		</script>

</body>
</html>

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