JSON.parse() Reviving Function Example

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<!DOCTYPE html>
<html>
	<head>
		<style>
			body {
				padding: 10px;
				background: #fdfdfd;
				font-family: sans-serif;
			}
			.user-card {
				display: none;
				max-width: 340px;
				padding: 16px;
				border: 1px solid #ccc;
				border-radius: 12px;
				background-color: #f5f5f5;
				margin-top: 20px;
			}
			.user-card h3 {
				margin: 0 0 10px;
				font-size: 20px;
			}
			.user-card p {
				margin: 6px 0;
			}
			button {
				margin-right: 10px;
				padding: 8px 16px;
				border: none;
				background-color: #0088cc;
				color: white;
				border-radius: 6px;
				cursor: pointer;
			}
			button:hover {
				background-color: #006fa3;
			}
		</style>
	</head>
	<body>

<h2>Parsing and Restoring Functions from JSON</h2>
		<p>Click below to parse a JSON string that includes a function as a string and restore it using <code>eval</code>.</p>

<button onclick="loadCalculator()">Parse Calculator</button>

<div class="user-card" id="calcCard">
			<h3 id="calcName"></h3>
			<p><strong>Compute 6 × 7 =</strong> <span id="calcResult"></span></p>
			<p><strong>Type:</strong> <span id="typeCheck"></span></p>
		</div>

// Restore the function from string
				parsed.compute = eval(parsed.compute);

const result = parsed.compute(6, 7);

document.getElementById('calcName').textContent = parsed.name;
				document.getElementById('calcResult').textContent = result;
				document.getElementById('typeCheck').textContent = typeof parsed.compute;
				document.getElementById('calcCard').style.display = 'block';
			}
		</script>

</body>
</html>

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