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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>wrap vs wrapAll</title>
  <style>
    body { font-family: sans-serif; padding: 16px; max-width: 560px; }
    .panel { border: 1px solid #cbd5e1; padding: 12px; margin-bottom: 16px; border-radius: 8px; }
    h3 { margin: 0 0 8px; font-size: 14px; color: #475569; }
    div { border: 2px solid #3b82f6; padding: 6px; margin: 4px 0; border-radius: 4px; }
    p { background: #fef08a; margin: 4px 0; padding: 6px 8px; border-radius: 4px; }
    button { margin: 4px 6px 4px 0; padding: 8px 14px; border: none; border-radius: 6px; cursor: pointer; color: #fff; }
    #wrap-btn { background: #6366f1; }
    #wrapall-btn { background: #059669; }
    #hint { color: #64748b; font-size: 14px; margin-top: 10px; }
  </style>
</head>
<body>
  <div class="panel" id="demo-a">
    <h3>Panel A — .wrap() (3 separate divs)</h3>
    <p>A1</p><p>A2</p><p>A3</p>
    <button type="button" id="wrap-btn">.wrap()</button>
  </div>
  <div class="panel" id="demo-b">
    <h3>Panel B — .wrapAll() (1 shared div)</h3>
    <p>B1</p><p>B2</p><p>B3</p>
    <button type="button" id="wrapall-btn">.wrapAll()</button>
  </div>
  <p id="hint">Compare DOM structure in DevTools after each click.</p>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    $("#wrap-btn").on("click", function() {
      $("#demo-a p").wrap("<div>");
      $("#hint").text("Panel A: each p gets its own div wrapper.");
    });
    $("#wrapall-btn").on("click", function() {
      $("#demo-b p").wrapAll("<div>");
      $("#hint").text("Panel B: all p tags share ONE div wrapper.");
    });
  </script>
</body>
</html>

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jQuery .wrap() vs .wrapAll() (Try It)