JSFiddle - React, Tailwind, and code Playground

HTML

<html>
  <head>
    <title>jQuery 1.4.2 Test</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
    <script>
      $(document).ready(function() {
        $('#button_1').click(function() {
          $('[name=field[1]]').val('Clicked');
          return false;
        });
        $('#button_2').click(function() {
          $('[name="field[2]"]').val('Clicked');
          return false;
        });
      });
    </script>
  </head>
  <body>
    <p>
      <input id="field_1" name="field[1]" type="text" />
      <button id="button_1">Click Me!</button>
    </p>

    <p>
      <input id="field_2" name="field[2]" type="text" />
      <button id="button_2">Click Me!</button>
    </p>
  </body>
</html>