JSFiddle - React, Tailwind, and code Playground

HTML

<script type="text/javascript">
document.write(unescape("%3Cscript src='//munchkin.marketo.net/munchkin-beta.js' type='text/javascript'%3E%3C/script%3E"));
</script>
<script>Munchkin.init('410-XOR-673');</script>
<script src="//app-sj01.marketo.com/js/forms2/js/forms2.min.js"></script>
<form id="mktoForm_98"></form>

CSS

FORM {
    display: none;
}

JavaScript

MktoForms2.loadForm("//app-sj01.marketo.com", "410-XOR-673", 98,
    function(form){
        form.onSuccess( function() { 
            document.body.innerText='Associated with: '+ Email; 
            return false; } 
        )
        
        var Email = parent.document.location.search 
            ? parent.document.location.search.substring(1) 
            : "[email protected]";
        
        form.setValues({"Email":Email})
        form.submit();             
   });