JSFiddle - React, Tailwind, and code Playground
JavaScript
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window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments)};
gtag('js', new Date());
gtag('config', '<?= $gaTrackingCode ?>', {
'custom_map': {'dimension3': hasAdBlock},
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gtag('event', 'page_view', { 'send_to': '<?= $gaTrackingCode ?>', 'sample_rate': 50 });
</script>