HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>filter even performance</title>

  <style>

    body { font-family: sans-serif; padding: 16px; }

    .card { padding: 10px; margin: 6px 0; border: 1px solid #ccc; }

  </style>

</head>

<body>

  <div class="card">Card 0</div>

  <div class="card">Card 1</div>

  <div class="card">Card 2</div>

  <div class="card">Card 3</div>

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

  <script>

    $(".card").filter(":even").css("borderColor", "#2563eb");

  </script>

</body>

</html>

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CSS selector then .filter(':even') (Try It)