HTML Code

<!DOCTYPE html>

<html lang=en>

<head>

  <meta charset=UTF-8>

  <meta name=viewport content="width=device-width,initial-scale=1">

  <title>srcdoc — styled + sandbox</title>

  <style>body{font-family:system-ui,sans-serif;margin:0;padding:1.5rem;background:#f8fafc;color:#334155;line-height:1.7}h1{margin:0 0 1rem;font-size:1.25rem;color:#0f172a}iframe{border:1px solid #cbd5e1;border-radius:6px;display:block;background:#fff}.hint{margin-top:1rem;font-size:.8125rem;color:#64748b;max-width:520px}code{background:#e2e8f0;padding:.1rem .35rem;border-radius:4px}</style>

</head>

<body>

  <h1>srcdoc with sandbox</h1>

  <iframe title="Styled srcdoc card" sandbox="" srcdoc="&lt;!DOCTYPE html&gt;&lt;html lang='en'&gt;&lt;head&gt;&lt;meta charset='UTF-8'&gt;&lt;style&gt;body{font-family:system-ui,sans-serif;margin:0;padding:1rem;background:#eff6ff;color:#1e3a8a;line-height:1.6;}&lt;/style&gt;&lt;/head&gt;&lt;body&gt;&lt;h2 style='margin:0 0 0.5rem;font-size:1rem;'&gt;Hello from srcdoc&lt;/h2&gt;&lt;p style='margin:0;'&gt;A self-contained mini page inside the iframe.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;" width=320 height=140></iframe>

  <p class=hint><code>sandbox=""</code> applies restrictions. Pair <code>srcdoc</code> with <code>sandbox</code> when embedding untrusted or dynamic HTML.</p>

</body>

</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

HTML srcdoc Attribute — Styled Document with sandbox