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<!DOCTYPE html> <html> <head> <style> body { padding: 10px; background: #fdfdfd; font-family: sans-serif; } pre { background-color: #eee; padding: 10px; border-radius: 6px; overflow-x: auto; display: none; } code { font-family: monospace; } button { margin-right: 10px; padding: 8px 16px; border: none; background-color: #0088cc; color: white; border-radius: 6px; cursor: pointer; } button:hover { background-color: #006fa3; } h3 { margin-top: 20px; display: none; } </style> </head> <body> <h2>Serialize a JavaScript Object</h2> <p>Click the button to serialize a JavaScript object into a JSON string using <code>JSON.stringify()</code>.</p> <button onclick="showUserJSON()">Serialize Object</button> <h3 id="objectTitle">Original Object</h3> <pre id="objectOutput"><code></code></pre> <h3 id="jsonTitle">JSON String</h3> <pre id="jsonOutput"><code></code></pre> <script> function showUserJSON() { const user = { name: "Alice", age: 30, isAdmin: false }; const jsonString = JSON.stringify(user); document.getElementById('objectTitle').style.display = 'block'; document.getElementById('objectOutput').style.display = 'block'; document.getElementById('jsonTitle').style.display = 'block'; document.getElementById('jsonOutput').style.display = 'block'; document.querySelector('#objectOutput code').textContent = `{ name: "${user.name}", age: ${user.age}, isAdmin: ${user.isAdmin} }`; document.querySelector('#jsonOutput code').textContent = jsonString; } </script> </body> </html>
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