HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>jQuery attribute has selector</title>

  <style>

    body { font-family: sans-serif; padding: 16px; max-width: 24rem; }

    div { padding: 10px; margin: 8px 0; border: 1px solid #e2e8f0; border-radius: 6px; cursor: pointer; }

    div:hover { background: #f8fafc; }

  </style>

</head>

<body>

  <p>Click divs that have an <code>id</code> attribute:</p>

  <div>no id</div>

  <div id="foo">with id</div>

  <div id="bar">has an id</div>

  <div>nope</div>

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

  <script>

    $("div[id]").one("click", function() {

      var idString = $(this).text() + " = " + $(this).attr("id");

      $(this).text(idString);

    });

  </script>

</body>

</html>

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jQuery div[id] — official demo (Try It)