JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <input type="button" value="OK" onclick="openMe()"/>
</div>
<div id="data">
</div>

JavaScript

function openMe()
{
    var win = window.open();
    var str="";
    for(var a in win){
        str+=a+"<br/>";
    }
    document.getElementById("data").innerHTML = str;
var windowHTML =
         "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN' 'http://www.w3.org/TR/html4/loose.dtd'>\n" +
         "<html>\n" +
         "<head></head>\n" +
         "<body>Hello World</body>\n" +
         "</html>";
      win.document.write(windowHTML);
      win.document.close();
}