JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" onclick="openRequestedPopup()">Klick</a>

JavaScript

let windowObjectReference;
let windowFeatures = "left=200,top=200,width=400,height=400";

function openRequestedPopup() {
  windowObjectReference = window.open("http://vivaldi.net/", "winpopu", windowFeatures);
}