JSFiddle - React, Tailwind, and code Playground

by timdown

HTML

<form action="" method="post" id="f"></form>

JavaScript

var hiddenInput = document.createElement("input");
hiddenInput.id = "uniqueIdentifier";
hiddenInput.type = "hidden";                     
hiddenInput.name = "foo";
hiddenInput.value = "Some value";
hiddenInput.className = "ListItem";

var form = document.getElementById("f");
form.appendChild(hiddenInput);

for (var i = 0, len = form.elements.length; i < len; ++i) {
    alert(form.elements[i].name + ": " + form.elements[i].value);
}