HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>multiple attribute demo</title>
  <style>
    body { font-family: sans-serif; padding: 16px; max-width: 32rem; }
    input { display: block; margin: 8px 0; padding: 6px 10px; width: 100%; box-sizing: border-box; }
    label { font-size: 0.875rem; color: #64748b; }
  </style>
</head>
<body>
  <label>superman (has id)</label>
  <input type="text" id="hero1" name="superman" value="">
  <label>batman (has id)</label>
  <input type="text" id="hero2" name="batman" value="">
  <label>superman (no id)</label>
  <input type="text" name="superman" value="">
  <label>newsletter (has id, no -man suffix)</label>
  <input type="text" id="nl" name="newsletter" value="">
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    $("input[id][name$='man']").val("only this one");
  </script>
</body>
</html>

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input[id][name$='man'] — official demo (Try It)