JSFiddle - React, Tailwind, and code Playground

HTML

<form action="test.php">
    <input type="submit" value="I will submit..." />
</form>
<form id="form2" action="test.php">
    <input type="submit" value="...and I will suppress" />
</form>

JavaScript

$('#form2').submit(function(e) {
    alert('test');
    return false;
});