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<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>jQuery .parent() — click</title>

  <style>

    .toolbar { padding: 16px; border: 1px solid #ccc; max-width: 320px; }

    .btn-group { display: inline-block; margin-right: 8px; padding: 4px; border: 1px dashed #999; }

    .btn-group.active-group { background: #e8f4ff; border-color: #2196f3; }

    button { padding: 6px 12px; cursor: pointer; }

  </style>

</head>

<body>

  <div class="toolbar">

    <div class="btn-group">

      <button type="button">Save</button>

      <button type="button">Edit</button>

    </div>

    <div class="btn-group">

      <button type="button">Delete</button>

    </div>

  </div>

  <p>Click a button to highlight its immediate parent .btn-group.</p>

  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>

  <script>

    $(".toolbar").on("click", "button", function() {

      $(".btn-group").removeClass("active-group");

      $(this).parent().addClass("active-group");

    });

  </script>

</body>

</html>

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jQuery .parent() — click toolbar (Try It)