JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.12.4.js&quot;   integrity=&quot;sha256-Qw82+bXyGq6MydymqBxNPYTaUXXq7c8v3CwiYwLLNXU="></script>
<button>Click</button>

JavaScript

$(function() {
    $('button').click(function() {
        var w = window.open('http://www.google.com');
        
        $(w.document).ready(function () {
        	alert('adasd');
        })
        
      //  w.attachEventHandler('load', function () {w.close();}, false)
        
     
        
        // This works, but dirty and not reliable.
        //setTimeout(function() { w.close(); }, 800);
    });
});