HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="utf-8">

  <title>Enable disabled inputs</title>

  <style>

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

    form { border: 1px solid #ccc; padding: 12px; margin-bottom: 12px; }

    label { display: block; margin: 6px 0; }

  </style>

</head>

<body>

  <form id="signupForm">

    <label>Name: <input type="text" disabled value="locked"></label>

    <label>Email: <input type="email" disabled></label>

  </form>

  <button type="button" id="unlock">Unlock fields</button>

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

  <script>

    $("#unlock").on("click", function() {

      $("#signupForm input:disabled").prop("disabled", false);

    });

  </script>

</body>

</html>

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