JSFiddle - React, Tailwind, and code Playground

by Joe

HTML

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<table class="form-table" id="customFields">
  <tr valign="top">
    <th scope="row"><label for="customFieldName">Custom Field</label></th>
    <td>
      <input type="text" class="code" id="customFieldName" name="customFieldName[]" value="" placeholder="Input Name" /> &nbsp;
      <input type="text" class="code" id="customFieldValue" name="customFieldValue[]" value="" placeholder="Input Value" /> &nbsp;
      <a href="javascript:void(0);" class="addCF">Add</a>
    </td>
  </tr>
</table>

JavaScript

$(document).ready(function() {
  $(".addCF").click(function() {
    $("#customFields").append('<tr valign="top"><th scope="row"><label for="customFieldName">Custom Field</label></th><td><input type="text" class="code" id="customFieldName" name="customFieldName[]" value="" placeholder="Input Name" /> &nbsp; <input type="text" class="code" id="customFieldValue" name="customFieldValue[]" value="" placeholder="Input Value" /> &nbsp; <a href="javascript:void(0);" class="remCF">Remove</a></td></tr>');
  });
  $("#customFields").on('click', '.remCF', function() {
    $(this).parent().parent().remove();
  });
});