JSFiddle - React, Tailwind, and code Playground
HTML
<form action=test id=form>
<input type=submit>
</form>
<button id=submit>Submit</button>
JavaScript
document.getElementById('form').addEventListener('submit', function (e) {
e.preventDefault();
alert('stopped');
}, false);
document.getElementById('submit').onclick = function () {
document.getElementById('form').submit();
}