JSFiddle - React, Tailwind, and code Playground

JavaScript

script async src="https://www.googletagmanager.com/gtag/js?id=<?=$gaTrackingCode?>"></script>
 window.dataLayer = window.dataLayer || [];
 function gtag(){dataLayer.push(arguments)};
 gtag('js', new Date());

 gtag('config', '<?= $gaTrackingCode ?>', {
  'custom_map': {'dimension3': hasAdBlock},
  'sample_rate': 50
 });

 gtag('event', 'page_view', { 'send_to': '<?= $gaTrackingCode ?>', 'sample_rate': 50 });
</script>