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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery substring attribute match</title>
  <style>
    #log { font-family: monospace; white-space: pre-line; margin-top: 12px; }
  </style>
</head>
<body>
  <p>Testing [name*='man']:</p>
  <div id="log"></div>
  <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
  <script>
    var names = ["manual", "human", "woman", "superman", "child"];
    var lines = [];
    names.forEach(function(n) {
      var $input = $("<input>").attr("name", n).appendTo("body");
      lines.push(n + " → " + ($input.is("[name*='man']") ? "MATCH" : "no"));
      $input.remove();
    });
    $("#log").text(lines.join("\n"));
  </script>
</body>
</html>

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jQuery [name*='man'] — substring rules (Try It)