JSFiddle - React, Tailwind, and code Playground

HTML

<p onload="checkForRefresh();"><a onclick="switchFocus();" href="#">Test Link</a></p>

JavaScript

var myWindow;
window.checkForRefresh = function() {
    myWindow = window.open("http://www.placekitten.com/30/30", "TestMain");
                myWindow.focus();
}
window.switchFocus = function(umsWindow) {
checkForRefresh();
                myWindow.focus();
}