JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<form id="my-form">
  <label for="email">E-Mail</label>
  <input id="email" type="email" required>
  <button type="submit">Submit</button>
</form>

JavaScript

$(() => $('#my-form').submit(event => {
  event.preventDefault();
  alert('Form is valid!');
}));