CODE EXAMPLE FOR JAVASCRIPT

gtag.js xample

<!-- Global site tag (gtag.js) - Google Analytics --><script async src="https://www.googletagmanager.com/gtag/js?id=GA_MEASUREMENT_ID"></script><script>  window.dataLayer = window.dataLayer || [];  function gtag(){window.dataLayer.push(arguments);}  gtag('js', new Date());  gtag('config', 'GA_MEASUREMENT_ID');</script>