JSFiddle - React, Tailwind, and code Playground
HTML
<div id="test">Hello World<input type="text"></div>
<div id="field"></div>
<button id="dd" onclick="duplicate('test')">test</button>
JavaScript
$("#dd").click(function(){
var myDiv = document.getElementById("test");
var divClone = myDiv.cloneNode(true); // the true is for deep cloning
$("#field").append(divClone);
});