JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html>
<head>
   <title>Chrome Popup Test</title>
</head>
<body>
   <p>If you're using Chrome, you should see a popup, otherwise not.</p>
   <script>
       if (/Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor)) {
           alert('Welcome Chrome user!');
       }
   </script>
</body>
</html>