JSFiddle - React, Tailwind, and code Playground

HTML

<script>
function updateVar()
{
    $('#super_span').text('works');
}
</script>
<form onsubmit="updateVar(); return false" id="super_form">
    <a onclick="$('#super_form').submit(); return false;" href="#">Submit</a>
    <span id="super_span"></span>
</form>