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<!DOCTYPE html> <html> <head> <style> body { padding: 10px; background: #fafafa; } .lang-card { display: none; max-width: 320px; padding: 16px; border: 1px solid #ccc; border-radius: 12px; background-color: #f1f1f1; font-family: sans-serif; margin-top: 20px; } .lang-card h3 { margin: 0 0 10px; font-size: 20px; } .lang-card p { margin: 6px 0; } button { margin-right: 10px; padding: 8px 16px; border: none; background-color: #007acc; color: white; border-radius: 6px; cursor: pointer; } button:hover { background-color: #005f99; } </style> </head> <body> <h2>Show Language Info With <code>Object.keys()</code> Loop</h2> <p>Click the button to parse JSON data and display PHP language details.</p> <button onclick="showLanguage()">Python Info</button> <div class="lang-card" id="langCard"> <h3 id="langTitle"></h3> <div id="langDetails"></div> </div> <script> function showLanguage() { const langData = '{"name":"Python","creator":"Guido van Rossum","firstReleased":"1991","popular":true,"type":"High-level","paradigm":"Multi-paradigm"}'; const langObj = JSON.parse(langData); document.getElementById('langTitle').textContent = langObj.name; let output = ''; const keys = Object.keys(langObj); for (let i = 0; i < keys.length; i++) { if (keys[i] !== 'name') { output += `<p><strong>${keys[i]}:</strong> ${langObj[keys[i]]}</p>`; } } document.getElementById('langDetails').innerHTML = output; document.getElementById('langCard').style.display = 'block'; } </script> </body> </html>
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