HTML Code

<!DOCTYPE html>

<html lang=en>

<head>

  <meta charset=UTF-8>

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

  <title>language — modern replacement</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}button{padding:.5rem 1rem;font:inherit;cursor:pointer;border-radius:6px;border:1px solid #cbd5e1;background:#fff}.panel{max-width:520px;margin-top:1rem;padding:.75rem 1rem;background:#fff;border:1px solid #e2e8f0;border-radius:8px;font-size:.8125rem}code{background:#e2e8f0;padding:.1rem .35rem;border-radius:4px}.hint{margin-top:1rem;font-size:.8125rem;color:#64748b;max-width:520px}</style>

</head>

<body>

  <h1>Modern &lt;script&gt; (no language attribute)</h1>

  <p>This page uses a plain <code>&lt;script&gt;</code> tag — no deprecated <code>language="javascript"</code>.</p>

  <button type=button id=demo>Run inline script</button>

  <div class=panel>

    <p style=margin:0>External modules use <code>type="module"</code>, not <code>language</code>.</p>

  </div>

  <script>document.getElementById("demo").addEventListener("click",(function(){alert("Modern scripts omit language entirely.")}))</script>

  <p class=hint>For page human language use <code>&lt;html lang="en"&gt;</code>, not <code>language</code> on script.</p>

</body>

</html>

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HTML language Attribute — Modern Script Replacement