JSFiddle - React, Tailwind, and code Playground

HTML

<div id="log"></div>
<button>Open new window</button>

JavaScript

$(document).ready(function() {
    $('#log').append('listening...');
    window.addEventListener("message", function(e){
      $('#log').append("Received message: " + JSON.stringify(e.data));
    }, false);
    $('button').click(function() {
        window.open('http://jsbin.com/eQeSeros/4', 'popup','menubar=no, status=no, scrollbars=no, menubar=no, width=200, height=100');
    });
});