JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container"></div>

JavaScript

var count = document.createTextNode('My text: ');
//document.getElementById('container').appendChild(count);

var f = document.createElement('form');
f.setAttribute('method','POST');
f.setAttribute('action','test');

var text = document.createElement('input');
text.setAttribute('type','hidden');
text.setAttribute('name','text');
text.value = 'Hey! - hidden value';

var s = document.createElement('input'); //input element, Submit button
s.setAttribute('type','submit');
s.setAttribute('value','Hey!');

f.appendChild(count);
f.appendChild(text);
f.appendChild(s);
document.getElementById('container').appendChild(f);

s.onclick=function(){
	f.submit();
};