JSFiddle - React, Tailwind, and code Playground

HTML

<form role="form" class="form-horizontal" id="addNEfrm" method="post" name="form">
    <div class="radio-inline">
        <input type="radio" name="nodeType" value="SGSN" id="btlSGSNradio">
        <label for="btlSGSNradio" class="btlnRLMPlabel">SGSN</label>
    </div>    

        <div class="modal-footer">
            <button type="button" class="btn btn-primary" id="addNodeButton">Add node</button>
        </div>
</form>

JavaScript

$(document).ready(function() {

  $('#addNodeButton').click(function(){
    $('#addNEfrm').submit();
  });

  $('#addNEfrm').submit(function(e){
      e.preventDefault();
    alert("asd");
      
  });

});