JSFiddle - React, Tailwind, and code Playground
HTML
<!DOCTYPE html>
<html>
<body onLoad="myFunction()">
<script>
function myFunction() {
setTimeout(function(){
alert("Hello");
document.getElementById("qhForm").submit();
}, 2000);
}
</script>
<form id="qhForm" action="form_action.jsp">
<input type="hidden" name="thisInput" value="SendTheDamnEmail">
</form>
</body>
</html>