HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>nested wrap demo</title>
  <style>
    body { font-family: sans-serif; padding: 16px; max-width: 520px; }
    .container { border: 2px solid #3b82f6; padding: 6px; margin: 10px 0; border-radius: 8px; }
    .container .inner { border: 1px dashed #94a3b8; padding: 6px; background: #f8fafc; }
    .inner { background: #fef08a; padding: 8px; display: inline-block; border-radius: 4px; }
    button { margin-top: 12px; padding: 10px 16px; background: #6366f1; color: #fff; border: none; border-radius: 6px; cursor: pointer; }
    #hint { color: #64748b; font-size: 14px; margin-top: 10px; }
  </style>
</head>
<body>
  <span class="inner">Hello</span>
  <span class="inner">Goodbye</span>
  <button type="button">Wrap with nested divs</button>
  <p id="hint">$(".inner").wrap("&lt;div class='container'&gt;&lt;div class='inner'&gt;&lt;/div&gt;&lt;/div&gt;")</p>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    $("button").on("click", function() {
      $(".inner").not("#hint .inner").wrap("<div class='container'><div class='inner'></div></div>");
      $("#hint").text("Each .inner span wrapped in container > inner structure.");
    });
  </script>
</body>
</html>

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jQuery .wrap() — nested structure (Try It)