HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>detach prependTo reinsert</title>
  <style>
    body { font-family: sans-serif; padding: 16px; max-width: 520px; }
    #content-area { border: 2px dashed #94a3b8; padding: 12px; border-radius: 8px; min-height: 80px; }
    #promo-banner { background: #fef08a; padding: 10px; border-radius: 6px; margin-bottom: 8px; border: 1px solid #eab308; }
    .body-text { color: #475569; }
    button { margin: 6px 6px 6px 0; padding: 8px 14px; border: none; border-radius: 6px; cursor: pointer; }
    #hide { background: #ef4444; color: #fff; }
    #show { background: #059669; color: #fff; }
    #hint { color: #64748b; font-size: 14px; margin-top: 10px; }
  </style>
</head>
<body>
  <div id="content-area">
    <div id="promo-banner">Promo banner — click handlers preserved!</div>
    <p class="body-text">Main content below the banner.</p>
  </div>
  <button type="button" id="hide">Detach banner</button>
  <button type="button" id="show">Reinsert at top</button>
  <p id="hint">detach() + prependTo() keeps events and .data()</p>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    var stash = null;
    $("#promo-banner").on("click", function() {
      alert("Banner click handler still works!");
    });
    $("#hide").on("click", function() {
      stash = $("#promo-banner").detach();
      $("#hint").text("Banner detached — stored in variable.");
    });
    $("#show").on("click", function() {
      if (stash) {
        stash.prependTo("#content-area");
        $("#hint").text("Banner prepended to top of #content-area.");
      }
    });
  </script>
</body>
</html>

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jQuery .prependTo() — detach reinsert (Try It)