googleAnalytics = UA => {
const script = document.createElement('script');
script.src = 'https://www.googletagmanager.com/gtag/js?id=${UA}';
script.type = 'text/javascript';
script.async = true;
script.onload = () => {
window.dataLayer = window.dataLayer || [];
function gtag() {
var dataLayer = window.dataLayer;
dataLayer.push(arguments);
}
gtag('js', new Date());
gtag('config', UA);
};
document.body.appendChild(script);
}