HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>scoped odd rows</title>
  <style>
    body { font-family: sans-serif; padding: 16px; }
    table { border-collapse: collapse; margin: 12px 0; width: 100%; }
    td { padding: 8px; border: 1px solid #ccc; }
  </style>
</head>
<body>
  <table id="sales">
    <tr><td>Jan</td></tr>
    <tr><td>Feb</td></tr>
    <tr><td>Mar</td></tr>
  </table>
  <table id="other">
    <tr><td>X</td></tr>
    <tr><td>Y</td></tr>
  </table>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    $("#sales tr:odd").css("backgroundColor", "#fef3c7");
  </script>
</body>
</html>

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Scoped tr:odd zebra striping (Try It)