JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://s3-us-west-2.amazonaws.com/cl-tracking/parsley.js"></script>
<form id="formid"  data-parsley-validate data-parsley-errors-messages-disabled>
  <button type="submit" id="contactme">Contact me</button>
 </form>

JavaScript

document.getElementById("formid").addEventListener("submit",function(e){
   console.log("Pure Js executed!");
   e.preventDefault();
});

$('#formid').parsley().on('form:submit', function(event) {
 	console.log("Jquery executed!!!!");
  return false;
 });