HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>count file inputs</title>

  <style>

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

    label { display: block; margin: 8px 0; }

    #count { margin-top: 12px; padding: 12px; background: #dcfce7; border: 1px solid #22c55e; }

  </style>

</head>

<body>

  <form id="uploadForm">

    <label>Avatar: <input type="file" accept="image/*"></label>

    <label>Resume: <input type="file" accept=".pdf"></label>

    <label>Name: <input type="text"></label>

  </form>

  <input type="file">

  <div id="count"></div>

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

  <script>

    var n = $("#uploadForm input:file").length;

    $("#count").text(n + " file input(s) in the form");

  </script>

</body>

</html>

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Count file inputs in a form (Try It)