New Popup Window

popup.js

const popup = function (url, title, w = 640, h = 320) {
  let l = (screen.width / 2) - (w / 2);
  let t = (screen.height / 2) - (h / 2);
  
  return window.open(url, title, `
      toolbar=no,
      location=no,
      directories=no,
      status=no,
      menubar=no,
      scrollbars=no,
      resizable=no,
      copyhistory=no,
      width=${w},
      height=${h},
      top=${t},
      left=${l}
  `);
}