codingduck106.github.io/index.html at main · codingduck106/codingduck106.github.io · GitHub

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Paste → live</title>
  <meta name="viewport" content="width=device-width,initial-scale=1">
</head>
<body>
<script>
(function() {
  // render form page
  document.body.innerHTML = `
    <h1>Paste HTML → live</h1>
    <form id="form">
      <textarea id="code" style="width:100%;height:300px;"></textarea><br>
      <button type="submit">Render HTML</button>
    </form>
    <p style="color:#666;font-size:14px">
      Your code will replace this page immediately.
    </p>
  `;

  document.getElementById("form").addEventListener("submit", e => {
    e.preventDefault();
    const val = document.getElementById("code").value;
    // directly replace the current document
    document.open();
    document.write(val);
    document.close();
  });
})();
</script>
</body>
</html>